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ME3255S2017/lecture_03/lecture_03.md

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Matlab basic use 1- the environment, path and working directory Assignments (=-operator) 1- Arrays Cells combine different size arrays and text but, you cannot use math operators 'binary operators' Strings can be combined and printed This is helpful to create reports of computed data Math operators (=, +, -, /, *, ^) When using the command prompt, anything in your path or working directory can be run either as a script, function or class (to define objects) Graphics can be produced with a number of functions
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Matlab basic use

1- the environment, path and working directory

Matlab environment can be called by:

  1. Starting the matlab executable (the gui)
  2. Starting a jupyter notebook with Matlab kernel
  3. Starting matlab with command-line interface (no gui)

The main requirement is that matlab kernel (main matlab program) is running and accepting commands

When you start, you can call matlab built-in functions or anything you write that is in your MATLABPATH or working directory (pwd)

path
MATLABPATH

	/usr/local/lib/python2.7/dist-packages/matlab_kernel/toolbox
	/usr/local/lib/python2.7/dist-packages/pymatbridge/matlab
	/usr/local/lib/python2.7/dist-packages/pymatbridge/matlab/usrprog
	/usr/local/lib/python2.7/dist-packages/pymatbridge/matlab/util
	/usr/local/lib/python2.7/dist-packages/pymatbridge/matlab/util/json_v0.2.2
	/usr/local/lib/python2.7/dist-packages/pymatbridge/matlab/util/json_v0.2.2/json
	/usr/local/lib/python2.7/dist-packages/pymatbridge/matlab/util/json_v0.2.2/json/java
	/usr/local/lib/python2.7/dist-packages/pymatbridge/matlab/util/json_v0.2.2/test
	/home/ryan/Documents/MATLAB
	/usr/local/MATLAB/R2016a/toolbox/matlab/strfun
	/usr/local/MATLAB/R2016a/toolbox/matlab/datatypes
	/usr/local/MATLAB/R2016a/toolbox/matlab/elfun
	/usr/local/MATLAB/R2016a/toolbox/matlab/ops
	/usr/local/MATLAB/R2016a/toolbox/matlab/timefun
	/usr/local/MATLAB/R2016a/toolbox/matlab/elmat
	/usr/local/MATLAB/R2016a/toolbox/matlab/datafun
	/usr/local/MATLAB/R2016a/toolbox/matlab/iofun
	/usr/local/MATLAB/R2016a/toolbox/matlab/mvm
	/usr/local/MATLAB/R2016a/toolbox/matlab/randfun
	/usr/local/MATLAB/R2016a/toolbox/matlab/funfun
	/usr/local/MATLAB/R2016a/toolbox/matlab/general
	/usr/local/MATLAB/R2016a/toolbox/matlab/polyfun
	/usr/local/MATLAB/R2016a/toolbox/matlab/matfun
	/usr/local/MATLAB/R2016a/toolbox/matlab/lang
	/usr/local/MATLAB/R2016a/toolbox/matlab/specfun
	/usr/local/MATLAB/R2016a/toolbox/matlab/sparfun
	/usr/local/MATLAB/R2016a/toolbox/matlab/images
	/usr/local/MATLAB/R2016a/toolbox/matlab/testframework/performance
	/usr/local/MATLAB/R2016a/toolbox/matlab/testframework/parallel
	/usr/local/MATLAB/R2016a/toolbox/matlab/optimfun
	/usr/local/MATLAB/R2016a/toolbox/matlab/testframework/ext
	/usr/local/MATLAB/R2016a/toolbox/matlab/guide
	/usr/local/MATLAB/R2016a/toolbox/matlab/testframework/measurement
	/usr/local/MATLAB/R2016a/toolbox/matlab/icons
	/usr/local/MATLAB/R2016a/toolbox/matlab/demos
	/usr/local/MATLAB/R2016a/toolbox/matlab/helptools
	/usr/local/MATLAB/R2016a/toolbox/matlab/winfun
	/usr/local/MATLAB/R2016a/toolbox/matlab/winfun/NET
	/usr/local/MATLAB/R2016a/toolbox/matlab/datamanager
	/usr/local/MATLAB/R2016a/toolbox/matlab/verctrl
	/usr/local/MATLAB/R2016a/toolbox/matlab/graph2d
	/usr/local/MATLAB/R2016a/toolbox/matlab/graph3d
	/usr/local/MATLAB/R2016a/toolbox/matlab/graphics
	/usr/local/MATLAB/R2016a/toolbox/matlab/graphics/obsolete
	/usr/local/MATLAB/R2016a/toolbox/matlab/plottools
	/usr/local/MATLAB/R2016a/toolbox/matlab/scribe
	/usr/local/MATLAB/R2016a/toolbox/matlab/scribe/obsolete
	/usr/local/MATLAB/R2016a/toolbox/matlab/specgraph
	/usr/local/MATLAB/R2016a/toolbox/matlab/uitools
	/usr/local/MATLAB/R2016a/toolbox/matlab/uitools/obsolete
	/usr/local/MATLAB/R2016a/toolbox/hdlcoder/matlabhdlcoder/matlabhdlcoder
	/usr/local/MATLAB/R2016a/toolbox/hdlcoder/matlabhdlcoder
	/usr/local/MATLAB/R2016a/toolbox/matlab/testframework/core
	/usr/local/MATLAB/R2016a/toolbox/matlab/testframework/obsolete
	/usr/local/MATLAB/R2016a/toolbox/matlab/hardware/stubs
	/usr/local/MATLAB/R2016a/toolbox/local
	/usr/local/MATLAB/R2016a/toolbox/matlab/datastoreio
	/usr/local/MATLAB/R2016a/toolbox/matlab/codetools
	/usr/local/MATLAB/R2016a/toolbox/matlab/codetools/embeddedoutputs
	/usr/local/MATLAB/R2016a/toolbox/matlab/graphfun
	/usr/local/MATLAB/R2016a/toolbox/matlab/depfun
	/usr/local/MATLAB/R2016a/toolbox/matlab/mapreduceio
	/usr/local/MATLAB/R2016a/toolbox/matlab/findfiles
	/usr/local/MATLAB/R2016a/toolbox/rtw/targets/asap2/asap2/dataclasses
	/usr/local/MATLAB/R2016a/toolbox/rtw/targets/asap2/asap2
	/usr/local/MATLAB/R2016a/toolbox/rtw/targets/asap2/asap2/user
	/usr/local/MATLAB/R2016a/toolbox/rtw/targets/common/can/blocks/dataclasses
	/usr/local/MATLAB/R2016a/toolbox/rtw/targets/common/can/blocks
	/usr/local/MATLAB/R2016a/toolbox/rtw/targets/common/can/blocks/tlc_c
	/usr/local/MATLAB/R2016a/toolbox/rtw/targets/common/tgtcommon
	/usr/local/MATLAB/R2016a/toolbox/coder/simulinkcoder/cgv/API
	/usr/local/MATLAB/R2016a/toolbox/rtw/rtw/misra
	/usr/local/MATLAB/R2016a/toolbox/coder/simulinkcoder
	/usr/local/MATLAB/R2016a/toolbox/coder/simulinkcoder/templates
	/usr/local/MATLAB/R2016a/toolbox/coder/simulinkcoder/targets
	/usr/local/MATLAB/R2016a/toolbox/rtw/targets/pil
	/usr/local/MATLAB/R2016a/toolbox/rtw/targets/AUTOSAR/AUTOSAR/dataclasses
	/usr/local/MATLAB/R2016a/toolbox/rtw/targets/AUTOSAR/AUTOSAR
	/usr/local/MATLAB/R2016a/toolbox/rtw/accel
	/usr/local/MATLAB/R2016a/toolbox/coder/simulinkcoder_core
	/usr/local/MATLAB/R2016a/toolbox/rtw/rtwdemos
	/usr/local/MATLAB/R2016a/toolbox/rtw/rtwdemos/rsimdemos
	/usr/local/MATLAB/R2016a/toolbox/simulink/simdemos/simfeatures
	/usr/local/MATLAB/R2016a/toolbox/simulink/simdemos/simfeatures/modelreference
	/usr/local/MATLAB/R2016a/toolbox/simulink/simdemos/simfeatures/datadictionary
	/usr/local/MATLAB/R2016a/toolbox/simulink/sysarch/sysarch
	/usr/local/MATLAB/R2016a/toolbox/simulink/simdemos/simgeneral
	/usr/local/MATLAB/R2016a/toolbox/slde/examples
	/usr/local/MATLAB/R2016a/toolbox/coder/advisor
	/usr/local/MATLAB/R2016a/toolbox/simulink/simulink/modeladvisor
	/usr/local/MATLAB/R2016a/toolbox/simulink/simulink/modeladvisor/fixpt
	/usr/local/MATLAB/R2016a/toolbox/simulink/simdemos/automotive/fuelsys
	/usr/local/MATLAB/R2016a/toolbox/simulink/components
	/usr/local/MATLAB/R2016a/toolbox/simulink/dee
	/usr/local/MATLAB/R2016a/toolbox/simulink/simdemos/aerospace
	/usr/local/MATLAB/R2016a/toolbox/simulinktest/core/simharness/simharness
	/usr/local/MATLAB/R2016a/toolbox/simulink/simulink/frameedit
	/usr/local/MATLAB/R2016a/toolbox/simulink/simdemos/industrial
	/usr/local/MATLAB/R2016a/toolbox/simulink/simdemos/automotive
	/usr/local/MATLAB/R2016a/toolbox/simulink/blocks/library
	/usr/local/MATLAB/R2016a/toolbox/simulink/blocks/library/simulinkcoder
	/usr/local/MATLAB/R2016a/toolbox/simulink/blocks/obsolete
	/usr/local/MATLAB/R2016a/toolbox/simulink/simdemos/dataclasses
	/usr/local/MATLAB/R2016a/toolbox/simulink/simdemos
	/usr/local/MATLAB/R2016a/toolbox/simulink/blocks
	/usr/local/MATLAB/R2016a/toolbox/simulink/simulink/dataclasses
	/usr/local/MATLAB/R2016a/toolbox/simulink/simulink
	/usr/local/MATLAB/R2016a/toolbox/simulink/simulink/MPlayIO
	/usr/local/MATLAB/R2016a/toolbox/simulink/simulink/dataobjectwizard
	/usr/local/MATLAB/R2016a/toolbox/simulink/simulink/slresolve
	/usr/local/MATLAB/R2016a/toolbox/simulink/simulink/units
	/usr/local/MATLAB/R2016a/toolbox/simulink/simulink/resources
	/usr/local/MATLAB/R2016a/toolbox/simulink/sdi
	/usr/local/MATLAB/R2016a/toolbox/simulink/simulink/core_templates
	/usr/local/MATLAB/R2016a/toolbox/simulinktest/core/testsequence/testsequence
	/usr/local/MATLAB/R2016a/toolbox/simulink/simdemos/automotive/powerwindow
	/usr/local/MATLAB/R2016a/toolbox/simulink/sldependency
	/usr/local/MATLAB/R2016a/toolbox/simulink/hmi
	/usr/local/MATLAB/R2016a/toolbox/coder/objectives
	/usr/local/MATLAB/R2016a/toolbox/slde/slde
	/usr/local/MATLAB/R2016a/toolbox/slde/slde/resources
	/usr/local/MATLAB/R2016a/toolbox/stateflow/stateflow
	/usr/local/MATLAB/R2016a/toolbox/stateflow/coder
	/usr/local/MATLAB/R2016a/toolbox/stateflow/sfdemos
	/usr/local/MATLAB/R2016a/toolbox/stateflow/sftemplates
	/usr/local/MATLAB/R2016a/toolbox/shared/testmeaslib/general
	/usr/local/MATLAB/R2016a/toolbox/simulink/blocks/sb2sl
	/usr/local/MATLAB/R2016a/toolbox/physmod/powersys/DR/DR
	/usr/local/MATLAB/R2016a/toolbox/shared/reqmgt
	/usr/local/MATLAB/R2016a/toolbox/shared/reqmgt/mmutils
	/usr/local/MATLAB/R2016a/toolbox/shared/controllib/graphics
	/usr/local/MATLAB/R2016a/toolbox/shared/controllib/graphics/utils
	/usr/local/MATLAB/R2016a/toolbox/shared/controllib/graphics/plotoptions
	/usr/local/MATLAB/R2016a/toolbox/simulink/sledittimecheck
	/usr/local/MATLAB/R2016a/toolbox/hdlcoder/slhdltemplates
	/usr/local/MATLAB/R2016a/toolbox/distcomp
	/usr/local/MATLAB/R2016a/toolbox/distcomp/distcomp
	/usr/local/MATLAB/R2016a/toolbox/distcomp/user
	/usr/local/MATLAB/R2016a/toolbox/distcomp/mpi
	/usr/local/MATLAB/R2016a/toolbox/distcomp/parallel
	/usr/local/MATLAB/R2016a/toolbox/distcomp/parallel/util
	/usr/local/MATLAB/R2016a/toolbox/distcomp/lang
	/usr/local/MATLAB/R2016a/toolbox/distcomp/cluster
	/usr/local/MATLAB/R2016a/toolbox/distcomp/gpu
	/usr/local/MATLAB/R2016a/toolbox/distcomp/array
	/usr/local/MATLAB/R2016a/toolbox/target/codertarget
	/usr/local/MATLAB/R2016a/toolbox/target/codertarget/rtw
	/usr/local/MATLAB/R2016a/toolbox/target/codertarget/matlabcoder
	/usr/local/MATLAB/R2016a/toolbox/physmod/simscape/simscapedemos
	/usr/local/MATLAB/R2016a/toolbox/comm/templates
	/usr/local/MATLAB/R2016a/toolbox/shared/simulink
	/usr/local/MATLAB/R2016a/toolbox/hdlcoder/hdlcoderdemos
	/usr/local/MATLAB/R2016a/toolbox/hdlcoder/hdlcoderdemos/matlabhdlcoderdemos
	/usr/local/MATLAB/R2016a/toolbox/target/extensions/processor/tic5000/tic5000demos
	/usr/local/MATLAB/R2016a/toolbox/physmod/common/gl/sli/m
	/usr/local/MATLAB/R2016a/toolbox/shared/system/simulink
	/usr/local/MATLAB/R2016a/toolbox/images/colorspaces
	/usr/local/MATLAB/R2016a/toolbox/images/images
	/usr/local/MATLAB/R2016a/toolbox/images/imdata
	/usr/local/MATLAB/R2016a/toolbox/images/imuitools
	/usr/local/MATLAB/R2016a/toolbox/images/iptformats
	/usr/local/MATLAB/R2016a/toolbox/images/iptutils
	/usr/local/MATLAB/R2016a/toolbox/target/extensions/processor/tic6000
	/usr/local/MATLAB/R2016a/toolbox/target/extensions/processor/tic6000/rtw
	/usr/local/MATLAB/R2016a/toolbox/target/extensions/processor/tic6000/tfl
	/usr/local/MATLAB/R2016a/toolbox/target/extensions/processor/tic6000/utils
	/usr/local/MATLAB/R2016a/toolbox/target/extensions/processor/tic6000/blks/sysobj_mex
	/usr/local/MATLAB/R2016a/toolbox/target/extensions/processor/tic6000/blks/mex
	/usr/local/MATLAB/R2016a/toolbox/distcomp/pctdemos
	/usr/local/MATLAB/R2016a/toolbox/matlab/appdesigner/appdesigner
	/usr/local/MATLAB/R2016a/toolbox/shared/mlreportgen/ppt
	/usr/local/MATLAB/R2016a/toolbox/shared/mlreportgen/ppt/ppt
	/usr/local/MATLAB/R2016a/toolbox/shared/mlreportgen/ppt/ppt/help
	/usr/local/MATLAB/R2016a/toolbox/coder/matlabcoder
	/usr/local/MATLAB/R2016a/toolbox/coder/matlabcoder/templates
	/usr/local/MATLAB/R2016a/toolbox/dsp/templates
	/usr/local/MATLAB/R2016a/toolbox/globaloptim
	/usr/local/MATLAB/R2016a/toolbox/globaloptim/globaloptim
	/usr/local/MATLAB/R2016a/toolbox/shared/appdes/services
	/usr/local/MATLAB/R2016a/toolbox/coder/emlcodermex
	/usr/local/MATLAB/R2016a/toolbox/physmod/powersys/powerdemo/power_electronics
	/usr/local/MATLAB/R2016a/toolbox/pde/pdedemos
	/usr/local/MATLAB/R2016a/toolbox/slvnv/slvnvdemos
	/usr/local/MATLAB/R2016a/toolbox/sl_pir_cap
	/usr/local/MATLAB/R2016a/toolbox/target
	/usr/local/MATLAB/R2016a/toolbox/target/foundation
	/usr/local/MATLAB/R2016a/toolbox/target/foundation/utils
	/usr/local/MATLAB/R2016a/toolbox/target/foundation/utils/resource_config
	/usr/local/MATLAB/R2016a/toolbox/target/foundation/blks
	/usr/local/MATLAB/R2016a/toolbox/target/foundation/blks/mex
	/usr/local/MATLAB/R2016a/toolbox/target/foundation/blks/masks
	/usr/local/MATLAB/R2016a/toolbox/target/extensions/processor/shared
	/usr/local/MATLAB/R2016a/toolbox/target/extensions/processor/shared/ti
	/usr/local/MATLAB/R2016a/toolbox/target/extensions/processor/shared/ti/mdlinfo
	/usr/local/MATLAB/R2016a/toolbox/target/extensions/processor/shared/ti/utils
	/usr/local/MATLAB/R2016a/toolbox/target/extensions/processor/shared/ti/blks
	/usr/local/MATLAB/R2016a/toolbox/target/extensions/processor/shared/ti/blks/mex
	/usr/local/MATLAB/R2016a/toolbox/target/extensions/processor/shared/ti/blks/masks
	/usr/local/MATLAB/R2016a/toolbox/target/extensions/processor/ARM/tfl
	/usr/local/MATLAB/R2016a/toolbox/shared/etargets/etargets
	/usr/local/MATLAB/R2016a/toolbox/shared/etargets/etargets/demoutils
	/usr/local/MATLAB/R2016a/toolbox/optim/optim
	/usr/local/MATLAB/R2016a/toolbox/optim
	/usr/local/MATLAB/R2016a/toolbox/physmod/simscape/advisor/m
	/usr/local/MATLAB/R2016a/toolbox/target/targetdemos
	/usr/local/MATLAB/R2016a/toolbox/shared/hadoopserializer
	/usr/local/MATLAB/R2016a/toolbox/matlab/external/engines/engine_api
	/usr/local/MATLAB/R2016a/toolbox/shared/siglib
	/usr/local/MATLAB/R2016a/toolbox/simulink/simulink/performance
	/usr/local/MATLAB/R2016a/toolbox/simulink/simulink/performance/performancea
	/usr/local/MATLAB/R2016a/toolbox/simevents/examples
	/usr/local/MATLAB/R2016a/toolbox/shared/hdlshared
	/usr/local/MATLAB/R2016a/toolbox/physmod/sm/local/m
	/usr/local/MATLAB/R2016a/toolbox/matlab/uicomponents/uicomponents
	/usr/local/MATLAB/R2016a/toolbox/matlab/uicomponents/uicomponents/pending
	/usr/local/MATLAB/R2016a/toolbox/matlab/uicomponents/uicomponents/graphics
	/usr/local/MATLAB/R2016a/toolbox/fixedpoint/fixedpointconverter
	/usr/local/MATLAB/R2016a/toolbox/physmod/powersys/drives/drivesdemo
	/usr/local/MATLAB/R2016a/toolbox/physmod/simscape/library/m
	/usr/local/MATLAB/R2016a/toolbox/shared/sdi
	/usr/local/MATLAB/R2016a/toolbox/shared/asynciolib
	/usr/local/MATLAB/R2016a/toolbox/shared/cmlink/api
	/usr/local/MATLAB/R2016a/toolbox/matlab/toolboxmanagement/matlab_api
	/usr/local/MATLAB/R2016a/toolbox/mpc/mpcdemos
	/usr/local/MATLAB/R2016a/toolbox/distcomp/mapreduce
	/usr/local/MATLAB/R2016a/toolbox/matlab/networklib
	/usr/local/MATLAB/R2016a/toolbox/dsp/dspdemos
	/usr/local/MATLAB/R2016a/toolbox/shared/testmeaslib/simulink
	/usr/local/MATLAB/R2016a/toolbox/shared/controllib/general
	/usr/local/MATLAB/R2016a/toolbox/shared/imaqlib
	/usr/local/MATLAB/R2016a/toolbox/physmod/equation_language/equation_language
	/usr/local/MATLAB/R2016a/toolbox/simulink/slmetrics
	/usr/local/MATLAB/R2016a/toolbox/vision/vision
	/usr/local/MATLAB/R2016a/toolbox/vision/visiondata
	/usr/local/MATLAB/R2016a/toolbox/vision/visionutilities
	/usr/local/MATLAB/R2016a/toolbox/vision/visionutilities/visioninit
	/usr/local/MATLAB/R2016a/toolbox/vision/visionutilities/visionmex
	/usr/local/MATLAB/R2016a/toolbox/physmod/simscape/foundation/simscape
	/usr/local/MATLAB/R2016a/toolbox/shared/system/sfun
	/usr/local/MATLAB/R2016a/toolbox/matlab/toolbox_packaging
	/usr/local/MATLAB/R2016a/toolbox/simulink/simulink_data_dictionary/sldd
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	/usr/local/MATLAB/R2016a/toolbox/simulink/sta/scenarioconnector/ui/toolstrip/modelsection
	/usr/local/MATLAB/R2016a/toolbox/simulink/sta/scenarioconnector/ui/toolstrip/filesection
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	/usr/local/MATLAB/R2016a/toolbox/idelink/extensions/ticcs/rtw
	/usr/local/MATLAB/R2016a/toolbox/idelink/extensions/ticcs/envChecker
	/usr/local/MATLAB/R2016a/toolbox/idelink/foundation/pjtgenerator
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	/usr/local/MATLAB/R2016a/toolbox/idelink/foundation/pjtgenerator/tgtpref2
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	/usr/local/MATLAB/R2016a/toolbox/idelink/foundation/pjtgenerator/blks/masks
	/usr/local/MATLAB/R2016a/toolbox/idelink/foundation/pjtgenerator/blks/tlc_c
	/usr/local/MATLAB/R2016a/toolbox/physmod/simscape/engine/core/m
	/usr/local/MATLAB/R2016a/toolbox/shared/system/coder
	/usr/local/MATLAB/R2016a/toolbox/wavelet/wavelet
	/usr/local/MATLAB/R2016a/toolbox/wavelet/wmultisig1d
	/usr/local/MATLAB/R2016a/toolbox/wavelet/compression
	/usr/local/MATLAB/R2016a/toolbox/hdlcoder/hdlcommon
	/usr/local/MATLAB/R2016a/toolbox/hdlcoder/hdlcommon/modelcheckeradvisor
	/usr/local/MATLAB/R2016a/toolbox/physmod/powersys/library
	/usr/local/MATLAB/R2016a/toolbox/slvnv/rmidemos
	/usr/local/MATLAB/R2016a/toolbox/shared/eda/board
	/usr/local/MATLAB/R2016a/toolbox/hdlcoder/hdllib/sl_lib
	/usr/local/MATLAB/R2016a/toolbox/bioinfo/bioinfodata
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	/usr/local/MATLAB/R2016a/toolbox/robust/rctobsolete/lmi
	/usr/local/MATLAB/R2016a/toolbox/robust/rctobsolete/mutools/commands
	/usr/local/MATLAB/R2016a/toolbox/robust/rctobsolete/mutools/subs
	/usr/local/MATLAB/R2016a/toolbox/shared/codeinstrum/codeinstrum
	/usr/local/MATLAB/R2016a/toolbox/control/control
	/usr/local/MATLAB/R2016a/toolbox/control/ctrlmodels
	/usr/local/MATLAB/R2016a/toolbox/control/ctrlanalysis
	/usr/local/MATLAB/R2016a/toolbox/control/ctrldesign
	/usr/local/MATLAB/R2016a/toolbox/control/ctrlplots
	/usr/local/MATLAB/R2016a/toolbox/control/ctrlguis
	/usr/local/MATLAB/R2016a/toolbox/control/ctrlobsolete
	/usr/local/MATLAB/R2016a/toolbox/control/ctrlutil
	/usr/local/MATLAB/R2016a/toolbox/physmod/simscape/compiler/sli/m
	/usr/local/MATLAB/R2016a/toolbox/shared/dastudio
	/usr/local/MATLAB/R2016a/toolbox/stats/statsdemos
	/usr/local/MATLAB/R2016a/toolbox/shared/curvefitlib
	/usr/local/MATLAB/R2016a/toolbox/shared/slpir
	/usr/local/MATLAB/R2016a/toolbox/shared/eda/fpgabase
	/usr/local/MATLAB/R2016a/toolbox/physmod/common/dataservices/mli/m
	/usr/local/MATLAB/R2016a/toolbox/shared/hdlshared/hdlshared_gui
	/usr/local/MATLAB/R2016a/toolbox/shared/eda/hdlparser
	/usr/local/MATLAB/R2016a/toolbox/physmod/network_engine/network_engine
	/usr/local/MATLAB/R2016a/toolbox/target/extensions/processor/intelhost/tfl
	/usr/local/MATLAB/R2016a/toolbox/coder/coverage
	/usr/local/MATLAB/R2016a/toolbox/shared/dsp/hdl
	/usr/local/MATLAB/R2016a/toolbox/matlab/spf/matlabhost
	/usr/local/MATLAB/R2016a/toolbox/mpc/mpc
	/usr/local/MATLAB/R2016a/toolbox/mpc/mpcguis
	/usr/local/MATLAB/R2016a/toolbox/mpc/mpcobsolete
	/usr/local/MATLAB/R2016a/toolbox/mpc/mpcutils
	/usr/local/MATLAB/R2016a/toolbox/simulink/slexportprevious
	/usr/local/MATLAB/R2016a/toolbox/sl3d/sl3d
	/usr/local/MATLAB/R2016a/toolbox/comm/comm
	/usr/local/MATLAB/R2016a/toolbox/comm/commutilities/comminit
	/usr/local/MATLAB/R2016a/toolbox/comm/commutilities/commmex
	/usr/local/MATLAB/R2016a/toolbox/comm/commutilities
	/usr/local/MATLAB/R2016a/toolbox/comm/commdeprecated
	/usr/local/MATLAB/R2016a/toolbox/comm/comm/compiled
	/usr/local/MATLAB/R2016a/toolbox/coder/connectivity
	/usr/local/MATLAB/R2016a/toolbox/rtw/targets/connectivity
	/usr/local/MATLAB/R2016a/toolbox/simulink/slhistory
	/usr/local/MATLAB/R2016a/toolbox/physmod/simscape/templates
	/usr/local/MATLAB/R2016a/toolbox/shared/spreadsheet
	/usr/local/MATLAB/R2016a/toolbox/fixpoint
	/usr/local/MATLAB/R2016a/toolbox/fixpoint/fpca
	/usr/local/MATLAB/R2016a/toolbox/robotics/ros
	/usr/local/MATLAB/R2016a/toolbox/physmod/ne_sli/ne_sli
	/usr/local/MATLAB/R2016a/toolbox/shared/dsp/simulink/dsp
	/usr/local/MATLAB/R2016a/toolbox/matlab/system
	/usr/local/MATLAB/R2016a/toolbox/shared/eda/fil
	/usr/local/MATLAB/R2016a/toolbox/shared/eda/fil/filmapi
	/usr/local/MATLAB/R2016a/toolbox/coder/rtiostream
	/usr/local/MATLAB/R2016a/toolbox/pde
	/usr/local/MATLAB/R2016a/toolbox/physmod/powersys/powersys
	/usr/local/MATLAB/R2016a/toolbox/shared/hotpluglib
	/usr/local/MATLAB/R2016a/toolbox/shared/multimedia
	/usr/local/MATLAB/R2016a/toolbox/shared/testmeaslib/graphics
	/usr/local/MATLAB/R2016a/toolbox/matlab/addons_toolbox
	/usr/local/MATLAB/R2016a/toolbox/shared/imageslib
	/usr/local/MATLAB/R2016a/toolbox/physmod/pm_sli/pm_sli
	/usr/local/MATLAB/R2016a/toolbox/shared/dastudio/seqdiagram
	/usr/local/MATLAB/R2016a/toolbox/physmod/sm/templates
	/usr/local/MATLAB/R2016a/toolbox/physmod/sm/gui/m
	/usr/local/MATLAB/R2016a/toolbox/ident/ident
	/usr/local/MATLAB/R2016a/toolbox/ident/nlident
	/usr/local/MATLAB/R2016a/toolbox/ident/idobsolete
	/usr/local/MATLAB/R2016a/toolbox/ident/idguis
	/usr/local/MATLAB/R2016a/toolbox/ident/idutils
	/usr/local/MATLAB/R2016a/toolbox/ident/idrecursive
	/usr/local/MATLAB/R2016a/toolbox/ident/idhelp
	/usr/local/MATLAB/R2016a/toolbox/physmod/powersys/powerdemo/machines
	/usr/local/MATLAB/R2016a/toolbox/target/extensions/operatingsystem/windows/blks
	/usr/local/MATLAB/R2016a/toolbox/target/extensions/operatingsystem/windows/blks/masks
	/usr/local/MATLAB/R2016a/toolbox/target/extensions/operatingsystem/windows/blks/mex
	/usr/local/MATLAB/R2016a/toolbox/shared/networklib
	/usr/local/MATLAB/R2016a/toolbox/physmod/sm/sli/m
	/usr/local/MATLAB/R2016a/toolbox/physmod/sm/sm/m
	/usr/local/MATLAB/R2016a/toolbox/shared/advisor
	/usr/local/MATLAB/R2016a/toolbox/shared/filterdesignlib
	/usr/local/MATLAB/R2016a/toolbox/matlab/connector/connector
	/usr/local/MATLAB/R2016a/toolbox/idelink/foundation
	/usr/local/MATLAB/R2016a/toolbox/idelink/foundation/util
	/usr/local/MATLAB/R2016a/toolbox/idelink/foundation/errorhandler
	/usr/local/MATLAB/R2016a/toolbox/idelink/foundation/xmakefile
	/usr/local/MATLAB/R2016a/toolbox/idelink/foundation/hookpoints
	/usr/local/MATLAB/R2016a/toolbox/shared/comparisons
	/usr/local/MATLAB/R2016a/toolbox/signal/sigdemos
	/usr/local/MATLAB/R2016a/toolbox/matlab/configtools
	/usr/local/MATLAB/R2016a/toolbox/simbio/simbio
	/usr/local/MATLAB/R2016a/toolbox/matlab/external/interfaces/python
	/usr/local/MATLAB/R2016a/toolbox/shared/m3i
	/usr/local/MATLAB/R2016a/toolbox/matlab/toolstrip
	/usr/local/MATLAB/R2016a/toolbox/dsp/dspdeployabledemos
	/usr/local/MATLAB/R2016a/toolbox/slvnv/styleguide
	/usr/local/MATLAB/R2016a/help/toolbox/robust/examples
	/usr/local/MATLAB/R2016a/toolbox/shared/deviceplugindetection
	/usr/local/MATLAB/R2016a/toolbox/physmod/simscape/compiler/mli/m
	/usr/local/MATLAB/R2016a/toolbox/physmod/gui/gfx/m
	/usr/local/MATLAB/R2016a/toolbox/physmod/sm/import/m
	/usr/local/MATLAB/R2016a/toolbox/compiler/java
	/usr/local/MATLAB/R2016a/toolbox/physmod/pe/utils/m
	/usr/local/MATLAB/R2016a/toolbox/rtw/rtw
	/usr/local/MATLAB/R2016a/toolbox/coder/foundation
	/usr/local/MATLAB/R2016a/toolbox/coder/foundation/build
	/usr/local/MATLAB/R2016a/toolbox/coder/foundation/build/tools/registry
	/usr/local/MATLAB/R2016a/toolbox/coder/foundation/tfl
	/usr/local/MATLAB/R2016a/toolbox/coder/foundation/tfl/AUTOSAR/AUTOSAR4p0/IFX
	/usr/local/MATLAB/R2016a/toolbox/coder/foundation/tfl/AUTOSAR/AUTOSAR4p0/IFL
	/usr/local/MATLAB/R2016a/toolbox/coder/foundation/tfl/gui
	/usr/local/MATLAB/R2016a/toolbox/coder/foundation/templates
	/usr/local/MATLAB/R2016a/toolbox/shared/simtargets
	/usr/local/MATLAB/R2016a/toolbox/physmod/mech/mechdemos
	/usr/local/MATLAB/R2016a/toolbox/shared/maputils
	/usr/local/MATLAB/R2016a/toolbox/coder/foundation/passmanager
	/usr/local/MATLAB/R2016a/toolbox/simulink/simulink/iodata/iomap
	/usr/local/MATLAB/R2016a/toolbox/fininst/fininstdemos
	/usr/local/MATLAB/R2016a/toolbox/nnet
	/usr/local/MATLAB/R2016a/toolbox/nnet/nncontrol
	/usr/local/MATLAB/R2016a/toolbox/nnet/nnet
	/usr/local/MATLAB/R2016a/toolbox/nnet/nnet/nnadapt
	/usr/local/MATLAB/R2016a/toolbox/nnet/nnet/nndatafun
	/usr/local/MATLAB/R2016a/toolbox/nnet/nnet/nnderivative
	/usr/local/MATLAB/R2016a/toolbox/nnet/nnet/nndistance
	/usr/local/MATLAB/R2016a/toolbox/nnet/nnet/nndivision
	/usr/local/MATLAB/R2016a/toolbox/nnet/nnet/nninitlayer
	/usr/local/MATLAB/R2016a/toolbox/nnet/nnet/nninitnetwork
	/usr/local/MATLAB/R2016a/toolbox/nnet/nnet/nninitweight
	/usr/local/MATLAB/R2016a/toolbox/nnet/nnet/nnlearn
	/usr/local/MATLAB/R2016a/toolbox/nnet/nnet/nnnetfun
	/usr/local/MATLAB/R2016a/toolbox/nnet/nnet/nnnetinput
	/usr/local/MATLAB/R2016a/toolbox/nnet/nnet/nnnetwork
	/usr/local/MATLAB/R2016a/toolbox/nnet/nnet/nnperformance
	/usr/local/MATLAB/R2016a/toolbox/nnet/nnet/nnplot
	/usr/local/MATLAB/R2016a/toolbox/nnet/nnet/nnprocess
	/usr/local/MATLAB/R2016a/toolbox/nnet/nnet/nnsearch
	/usr/local/MATLAB/R2016a/toolbox/nnet/nnet/nntopology
	/usr/local/MATLAB/R2016a/toolbox/nnet/nnet/nntrain
	/usr/local/MATLAB/R2016a/toolbox/nnet/nnet/nntransfer
	/usr/local/MATLAB/R2016a/toolbox/nnet/nnet/nnweight
	/usr/local/MATLAB/R2016a/toolbox/nnet/nnguis
	/usr/local/MATLAB/R2016a/toolbox/nnet/nnobsolete
	/usr/local/MATLAB/R2016a/toolbox/nnet/nnutils
	/usr/local/MATLAB/R2016a/toolbox/matlab/addons_product
	/usr/local/MATLAB/R2016a/toolbox/shared/tracking/trackinglib
	/usr/local/MATLAB/R2016a/toolbox/shared/simulink/sysarch/sysarch
	/usr/local/MATLAB/R2016a/toolbox/shared/slreportgen/reportexplorer
	/usr/local/MATLAB/R2016a/toolbox/coder/embeddedcoder_templates
	/usr/local/MATLAB/R2016a/toolbox/coder/wizard
	/usr/local/MATLAB/R2016a/toolbox/physmod/sm/core/m
	/usr/local/MATLAB/R2016a/toolbox/robotics/robotexamples
	/usr/local/MATLAB/R2016a/toolbox/robotics/robotexamples/ros
	/usr/local/MATLAB/R2016a/toolbox/robotics/robotexamples/ros/helpers
	/usr/local/MATLAB/R2016a/toolbox/robotics/robotexamples/robotalgs
	/usr/local/MATLAB/R2016a/toolbox/robotics/robotexamples/robotalgs/helpers
	/usr/local/MATLAB/R2016a/toolbox/robotics/robotexamples/robotcore
	/usr/local/MATLAB/R2016a/toolbox/robotics/robotexamples/robotcore/helpers
	/usr/local/MATLAB/R2016a/toolbox/robotics/robotexamples/robotsimulink
	/usr/local/MATLAB/R2016a/toolbox/robotics/robotexamples/robotsimulink/helpers
	/usr/local/MATLAB/R2016a/toolbox/shared/controllib/engine
	/usr/local/MATLAB/R2016a/toolbox/shared/controllib/engine/numerics
	/usr/local/MATLAB/R2016a/toolbox/shared/controllib/engine/options
	/usr/local/MATLAB/R2016a/toolbox/shared/controllib/engine/optim
	/usr/local/MATLAB/R2016a/toolbox/shared/controllib/engine/blocks
	/usr/local/MATLAB/R2016a/toolbox/dsp/filterdesign
	/usr/local/MATLAB/R2016a/toolbox/finance/findemos
	/usr/local/MATLAB/R2016a/toolbox/physmod/powersys/facts/facts

pwd
ans =

/home/ryan/Documents/UConn/ME3255/me3255_S2017/lecture_03

path

Assignments (=-operator)

Matlab is interpreted language so each line of code (either saved text file or command-line) is executed as a standalone command

These are reffered to "scripts"

a=10; % line one assigns a to 10
b=a*3; % line two assigns b to 10 times 3 by calling 'a' from line one
a+b % line three does not assign anything directly, but leaving off the ";" prints the result
    % ans
ans =

    40

Matlab has a number of "objects" that you can assign to variables

  1. arrays (vectors and matrices [...])
  2. strings (text "..." )
  3. cells (combination of strings, text, even function calls {...})
  4. functions (both built-in, defined or developed)
  5. and more... (classes defined by classdef - you can create your own object to help organize data)

1- Arrays

Default in matlab is that when you assign a value to a variable, it is stored as an array

arrays are N x M x ... values of integers or floating point numbers or complex integers/floating point numbers

Use the parantheses to access values in an array ...(n,m)

a=10; % a is 1x1 array where a(1,1)==10
a(1,1)==10

ans =

     1

a(2)
�[0;31mIndex exceeds matrix dimensions.
�[0m

A = [1 2 3;4,5,6;7,8,9;10,11,12]
fprintf('size of A is %i x %i\n',size(A))
A(3,1)
A(6)
A =

     1     2     3
     4     5     6
     7     8     9
    10    11    12

size of A is 4 x 3

ans =

     7


ans =

     5

vectors are either 1xN or Nx1 arrays for row and column

v_row = [1,2,3] %row vector
v_column = [1;2;3] %column vector

v_row =

     1     2     3


v_column =

     1
     2
     3

Matrices are MxN arrays the :-symbol can substitute for a counting

A(1,:) % the colon assumes you want the first value, 1, counting up by 1 to the last value, 4
ans =

     1     2     3

You can also use every 2nd value or any other integer up to end which is the largest value of that row or column of the array

A(1:2:end,1) % you can also use `end` 
ans =

     1
     7

A(:)
ans =

     1
     4
     7
    10
     2
     5
     8
    11
     3
     6
     9
    12

In general, arrays can be any size

take rolling 4 die and determining the sum of the components

A_6666 = zeros(6,6,6,6); %make a 6 x 6 x 6 x 6 array (1296 different values)
for i=1:6
    for j=1:6
        for k=1:6
            for l=1:6
                A_6666(i,j,k,l)=i+j+k+l; % each value is the sum of the indices
            end
        end
    end
end
            
mean(A_6666(:))
std(A_6666(:))
ans =

    14


ans =

    3.4170

A_6666(1,4,2,5)
ans =

    12

Cells combine different size arrays and text

but, you cannot use math operators 'binary operators'

C={};
C{1}=linspace(0,1,10);
C{2}=linspace(0,1,3);
C{'z'}='holy cow';
C{1}*C{1}'
ans =

    3.5185

Strings can be combined and printed

string1 = 'computational'; string2 = 'mechanics';
[string1, ' ', string2]
ans =

computational mechanics

use fprintf to format strings and numbers for output and sprintf to save variables

fprintf([string1,' ',string2,'\n\n'])
string = sprintf('the dog had %i legs and weighed %1.1f lbs',4,10.0)
computational mechanics


string =

the dog had 4 legs and weighed 10.0 lbs

the \ signifies a special character e.g. \n = newline, \t = tab

to actually print the "", use \\

fprintf('\\')
\

This is helpful to create reports of computed data

%fid = fopen('file.txt','w');
fprintf(fid,[string1, ' ', string2])
fprintf(fid,'\n')
fprintf(fid,string)
fprintf(fid,'\n')
fprintf(fid,'are you awake?')
ans =

    23


ans =

     1


ans =

    39


ans =

     1


ans =

    14

Math operators (=, +, -, /, *, ^)

Because matlab assumes all variables are matrices, then all operators are matrix operations

a+a % add two 1x1 arrays
ans =  20

A+A % add two 4 x 3 arrays
ans =

    2    4    6
    8   10   12
   14   16   18
   20   22   24

A*A'
ans =

    14    32    50    68
    32    77   122   167
    50   122   194   266
    68   167   266   365

A.^2
ans =

     1     4     9
    16    25    36
    49    64    81
   100   121   144

A.*A
ans =

     1     4     9
    16    25    36
    49    64    81
   100   121   144

A/A
[�> In pymat_eval (line 31)
  In matlabserver (line 24)]� 
[�Warning: Rank deficient, rank = 2, tol =  1.696862e-14.]� 

ans =

    1.0000         0         0   -0.0000
    0.6667         0         0    0.3333
    0.3333         0         0    0.6667
    0.0000         0         0    1.0000

help /
/   Slash or right matrix divide.
    A/B is the matrix division of B into A, which is roughly the
    same as A*INV(B) , except it is computed in a different way.
    More precisely, A/B = (B'\A')'. See MLDIVIDE for details.
 
    C = MRDIVIDE(A,B) is called for the syntax 'A / B' when A or B is an
    object.
 
    See also MLDIVIDE, RDIVIDE, LDIVIDE.

    Reference page in Doc Center
       doc mrdivide

    Other functions named mrdivide

       codistributed/mrdivide    gf/mrdivide          laurpoly/mrdivide
       duration/mrdivide         gpuArray/mrdivide    StaticModel/mrdivide
       DynamicSystem/mrdivide    LagOp/mrdivide       timeseries/mrdivide
       fints/mrdivide

To accomplish one-by-one operations, need to include a .

A./A
ans =

   1   1   1
   1   1   1
   1   1   1
   1   1   1

But, for 1x1 arrays, these are considered scalars and you get a free-pass

a*A % where a=10 and A is 1:12 in a 3 x 4 matrix
ans =

    10    20    30
    40    50    60
    70    80    90
   100   110   120

Some built in Matlab functions (e.g. the reasons to run Matlab)

t_linear=linspace(0,1,11)
t_linear =

  Columns 1 through 7

         0    0.1000    0.2000    0.3000    0.4000    0.5000    0.6000

  Columns 8 through 11

    0.7000    0.8000    0.9000    1.0000

t_log = logspace(0,2,3) % log interval from 10^0 to 10^2 split into 3 values
t_log =

     1    10   100

help logspace
'logspace' is a function from the file /usr/share/octave/4.0.0/m/general/logspace.m

 -- Function File: logspace (A, B)
 -- Function File: logspace (A, B, N)
 -- Function File: logspace (A, pi, N)
     Return a row vector with N elements logarithmically spaced from
     10^A to 10^B.

     If N is unspecified it defaults to 50.

     If B is equal to pi, the points are between 10^A and pi, _not_ 10^A
     and 10^pi, in order to be compatible with the corresponding MATLAB
     function.

     Also for compatibility with MATLAB, return the second argument B if
     fewer than two values are requested.

     See also: linspace.

Additional help for built-in functions and operators is
available in the online version of the manual.  Use the command
'doc <topic>' to search the manual index.

Help and information about Octave is also available on the WWW
at http://www.octave.org and via the help@octave.org
mailing list.

When using the command prompt, anything in your path or working directory can be run either as a script, function or class (to define objects)

%myscript
%plot --format svg

When using the GUI, your command history is saved, but it is better to save your work either as a script or a function or combination of both

Creating a default graph script:

set(0, 'defaultAxesFontSize', 16)
set(0,'defaultTextFontSize',14)
set(0,'defaultLineLineWidth',3)
plot(t_linear,t_linear.^2)
xlabel('time (s)')
ylabel('displacement (m)')

png

#EOL

Graphics can be produced with a number of functions

2-D plots, 3-D plots, contour plots, 3D contour plots ...

x=linspace(-1,1,21); y=linspace(-1,1,21);
[X,Y]=meshgrid(x,y);
Z=(X.*Y.^3-X.^3.*Y)
Z =

 Columns 1 through 8:

   0.00000   0.17100   0.28800   0.35700   0.38400   0.37500   0.33600   0.27300
  -0.17100   0.00000   0.12240   0.20160   0.24300   0.25200   0.23400   0.19440
  -0.28800  -0.12240   0.00000   0.08400   0.13440   0.15600   0.15360   0.13200
  -0.35700  -0.20160  -0.08400   0.00000   0.05460   0.08400   0.09240   0.08400
  -0.38400  -0.24300  -0.13440  -0.05460   0.00000   0.03300   0.04800   0.04860
  -0.37500  -0.25200  -0.15600  -0.08400  -0.03300   0.00000   0.01800   0.02400
  -0.33600  -0.23400  -0.15360  -0.09240  -0.04800  -0.01800   0.00000   0.00840
  -0.27300  -0.19440  -0.13200  -0.08400  -0.04860  -0.02400  -0.00840   0.00000
  -0.19200  -0.13860  -0.09600  -0.06300  -0.03840  -0.02100  -0.00960  -0.00300
  -0.09900  -0.07200  -0.05040  -0.03360  -0.02100  -0.01200  -0.00600  -0.00240
   0.00000   0.00000   0.00000   0.00000   0.00000   0.00000   0.00000   0.00000
   0.09900   0.07200   0.05040   0.03360   0.02100   0.01200   0.00600   0.00240
   0.19200   0.13860   0.09600   0.06300   0.03840   0.02100   0.00960   0.00300
   0.27300   0.19440   0.13200   0.08400   0.04860   0.02400   0.00840  -0.00000
   0.33600   0.23400   0.15360   0.09240   0.04800   0.01800  -0.00000  -0.00840
   0.37500   0.25200   0.15600   0.08400   0.03300   0.00000  -0.01800  -0.02400
   0.38400   0.24300   0.13440   0.05460  -0.00000  -0.03300  -0.04800  -0.04860
   0.35700   0.20160   0.08400  -0.00000  -0.05460  -0.08400  -0.09240  -0.08400
   0.28800   0.12240   0.00000  -0.08400  -0.13440  -0.15600  -0.15360  -0.13200
   0.17100  -0.00000  -0.12240  -0.20160  -0.24300  -0.25200  -0.23400  -0.19440
   0.00000  -0.17100  -0.28800  -0.35700  -0.38400  -0.37500  -0.33600  -0.27300

 Columns 9 through 16:

   0.19200   0.09900   0.00000  -0.09900  -0.19200  -0.27300  -0.33600  -0.37500
   0.13860   0.07200   0.00000  -0.07200  -0.13860  -0.19440  -0.23400  -0.25200
   0.09600   0.05040   0.00000  -0.05040  -0.09600  -0.13200  -0.15360  -0.15600
   0.06300   0.03360   0.00000  -0.03360  -0.06300  -0.08400  -0.09240  -0.08400
   0.03840   0.02100   0.00000  -0.02100  -0.03840  -0.04860  -0.04800  -0.03300
   0.02100   0.01200   0.00000  -0.01200  -0.02100  -0.02400  -0.01800   0.00000
   0.00960   0.00600   0.00000  -0.00600  -0.00960  -0.00840   0.00000   0.01800
   0.00300   0.00240   0.00000  -0.00240  -0.00300   0.00000   0.00840   0.02400
   0.00000   0.00060   0.00000  -0.00060   0.00000   0.00300   0.00960   0.02100
  -0.00060   0.00000   0.00000   0.00000   0.00060   0.00240   0.00600   0.01200
   0.00000   0.00000   0.00000   0.00000   0.00000   0.00000   0.00000   0.00000
   0.00060  -0.00000   0.00000   0.00000  -0.00060  -0.00240  -0.00600  -0.01200
  -0.00000  -0.00060   0.00000   0.00060   0.00000  -0.00300  -0.00960  -0.02100
  -0.00300  -0.00240   0.00000   0.00240   0.00300   0.00000  -0.00840  -0.02400
  -0.00960  -0.00600   0.00000   0.00600   0.00960   0.00840   0.00000  -0.01800
  -0.02100  -0.01200   0.00000   0.01200   0.02100   0.02400   0.01800   0.00000
  -0.03840  -0.02100   0.00000   0.02100   0.03840   0.04860   0.04800   0.03300
  -0.06300  -0.03360   0.00000   0.03360   0.06300   0.08400   0.09240   0.08400
  -0.09600  -0.05040   0.00000   0.05040   0.09600   0.13200   0.15360   0.15600
  -0.13860  -0.07200   0.00000   0.07200   0.13860   0.19440   0.23400   0.25200
  -0.19200  -0.09900   0.00000   0.09900   0.19200   0.27300   0.33600   0.37500

 Columns 17 through 21:

  -0.38400  -0.35700  -0.28800  -0.17100   0.00000
  -0.24300  -0.20160  -0.12240   0.00000   0.17100
  -0.13440  -0.08400   0.00000   0.12240   0.28800
  -0.05460   0.00000   0.08400   0.20160   0.35700
   0.00000   0.05460   0.13440   0.24300   0.38400
   0.03300   0.08400   0.15600   0.25200   0.37500
   0.04800   0.09240   0.15360   0.23400   0.33600
   0.04860   0.08400   0.13200   0.19440   0.27300
   0.03840   0.06300   0.09600   0.13860   0.19200
   0.02100   0.03360   0.05040   0.07200   0.09900
   0.00000   0.00000   0.00000   0.00000   0.00000
  -0.02100  -0.03360  -0.05040  -0.07200  -0.09900
  -0.03840  -0.06300  -0.09600  -0.13860  -0.19200
  -0.04860  -0.08400  -0.13200  -0.19440  -0.27300
  -0.04800  -0.09240  -0.15360  -0.23400  -0.33600
  -0.03300  -0.08400  -0.15600  -0.25200  -0.37500
   0.00000  -0.05460  -0.13440  -0.24300  -0.38400
   0.05460   0.00000  -0.08400  -0.20160  -0.35700
   0.13440   0.08400   0.00000  -0.12240  -0.28800
   0.24300   0.20160   0.12240   0.00000  -0.17100
   0.38400   0.35700   0.28800   0.17100   0.00000

contour(X,Y,Z)

svg

mesh(X,Y,Z)

svg

pcolor(X,Y,Z)

svg