added US Energy data

02_Roundoff-Truncation errors/.ipynb_checkpoints/lecture_02-checkpoint.ipynb

@@ -28,6 +28,21 @@
     "## 2 - Truncation"
    ]
   },
+  {
+   "cell_type": "markdown",
+   "metadata": {
+    "slideshow": {
+     "slide_type": "fragment"
+    }
+   },
+   "source": [
+    "|Question|\tAnswered Right|\tAnswered Wrong\t|Total % Right\n",
+    "|-----------------------------|---|---|---|\n",
+    "|What is the 32-bit representation of e \"exp(1)\"?\t|37|\t26|\t58.7%|\n",
+    "|The command \">10+eps-10\" results in:\t|24|\t39\t|38.1%|\n",
+    "|Using a first-order Taylor series expansion and a time step, h, of 0.1 s, the order of expected truncation error is:\t|37\t|26|\t58.7%|"
+   ]
+  },
   {
    "cell_type": "markdown",
    "metadata": {
@@ -283,7 +298,7 @@
     "\n",
     "or the truncation error for a first-order Taylor series approximation is\n",
     "\n",
-    "$\\frac{R_{1}}{t_{i+1}-t_{i}}=O(\\Delta t)$\n"
+    "$R_{1}=O(\\Delta t^{2})$\n"
    ]
   },
   {

03_Intro to matlab-octave/US_energy_by_sector.csv

@@ -0,0 +1,70 @@
+Annual Total,Primary Energy Consumed by the Residential Sector,Total Energy Consumed by the Residential Sector,Primary Energy Consumed by the Commercial Sector,Total Energy Consumed by the Commercial Sector,Primary Energy Consumed by the Industrial Sector,Total Energy Consumed by the Industrial Sector,Primary Energy Consumed by the Transportation Sector,Total Energy Consumed by the Transportation Sector,Primary Energy Consumed by the Electric Power Sector,Energy Consumption Balancing Item,Primary Energy Consumption Total
+,(Trillion Btu),(Trillion Btu),(Trillion Btu),(Trillion Btu),(Trillion Btu),(Trillion Btu),(Trillion Btu),(Trillion Btu),(Trillion Btu),(Trillion Btu),(Trillion Btu)
+1949,4460.434,5599.25,2668.869,3668.816,12633.386,14723.587,7879.509,7990.015,4339.47,-0.165,31981.503
+1950,4829.337,5988.553,2834.094,3893.298,13889.626,16241.423,8383.407,8492.473,4679.283,0.021,34615.768
+1951,5104.476,6380.193,2737.684,3873.226,15127.368,17678.532,8933.484,9041.892,5070.83,0.188,36974.03
+1952,5158.193,6560.243,2672.911,3873.385,14671.564,17311.362,8906.891,9002.752,5338.183,0.082,36747.825
+1953,5052.515,6558.748,2512.376,3770.982,15339.206,18211.754,9030.055,9123.022,5730.355,-0.039,37664.468
+1954,5262.307,6846.058,2457.578,3732.921,14317.111,17157.695,8822.551,8902.617,5779.745,0.091,36639.382
+1955,5607.812,7277.988,2561.252,3895.14,16102.98,19484.608,9474.426,9550.205,6461.471,0.03,40207.971
+1956,5839.383,7662.725,2606.854,4022.859,16575.573,20209.479,9790.32,9859.364,6942.296,-0.174,41754.252
+1957,5743.9,7712,2449.291,3960.787,16526.394,20218.258,9836.694,9896.269,7231.035,-0.128,41787.186
+1958,6125.37,8200.674,2557.205,4119.156,15812.501,19321.087,9952.005,10004.101,7197.936,0.011,41645.028
+1959,6188.311,8411.866,2649.39,4372.186,16536.173,20333.201,10297.614,10348.53,7794.295,-0.061,43465.722
+1960,6650.835,9039.418,2722.565,4609.4,16995.524,20841.687,10559.596,10595.943,8157.929,0.007,45086.455
+1961,6775.61,9286.024,2764.986,4727.663,17012.051,20955.128,10733.732,10769.126,8451.561,-0.103,45737.837
+1962,7079.711,9782.42,2923.873,5036.386,17610.477,21788.192,11184.889,11219.481,9027.528,-0.042,47826.437
+1963,7089.813,9988.479,2921.18,5250.646,18388.155,22751.19,11620.029,11653.755,9624.895,0.124,49644.195
+1964,7111.751,10240.574,2977.204,5465.993,19449.358,24111.354,11963.238,11997.007,10313.377,-0.14,51814.788
+1965,7279.422,10639.387,3176.893,5845.423,20147.629,25097.614,12398.707,12432.456,11012.229,0.121,54015.001
+1966,7500.386,11168.63,3408.944,6324.047,21055.032,26421.623,13067.522,13100.235,11982.651,-0.203,57014.332
+1967,7711.36,11639.275,3767.693,6899.205,21012.944,26614.298,13718.194,13752.076,12694.663,-0.333,58904.521
+1968,7932.745,12336.29,3899.46,7329.032,21868.985,27883.171,14831.225,14865.775,13881.853,0.238,62414.507
+1969,8242.797,13169.156,4085.279,7833.219,22647.702,29105.4,15471.249,15506.506,15167.253,-0.26,65614.02
+1970,8322.406,13765.758,4236.666,8346.295,22963.9,29627.901,16061.89,16098.249,16253.34,0.123,67838.325
+1971,8427.451,14246.2,4323.753,8720.954,22719.816,29585.943,16694.335,16730.053,17117.795,-0.307,69282.843
+1972,8627.379,14857.045,4411.961,9183.416,23516.505,30930.189,17682.135,17717.291,18449.961,-0.075,72687.867
+1973,8225.308,14897.351,4422.793,9542.957,24720.398,32623.268,18577.224,18612.78,19730.632,7.334,75683.69
+1974,7907.91,14654.336,4259.084,9393.324,23795.853,31787.187,18087.175,18120.419,19905.245,7.102,73962.369
+1975,7989.629,14813.4,4059.188,9492.492,21434.365,29413.018,18210.492,18245.003,20270.238,0.64,71964.553
+1976,8391.135,15410.259,4371.469,10063.334,22665.169,31392.821,19066.676,19100.798,21472.764,7.613,75974.826
+1977,8193.619,15661.713,4258.152,10207.599,23165.296,32263.009,19786.215,19821.59,22550.63,7.418,77961.33
+1978,8259.943,16132.287,4308.941,10511.88,23244.026,32687.556,20582.761,20617.064,23553.115,1.619,79950.406
+1979,7918.91,15812.724,4365.844,10648.024,24191.815,33924.74,20437.252,20471.532,23943.198,1.564,80858.584
+1980,7439.405,15753.38,4104.984,10578.258,22594.829,32039.419,19659.098,19696.69,24269.431,-1.08,78066.668
+1981,7045.285,15261.544,3837.025,10615.891,21318.163,30711.561,19477.771,19514.013,24424.767,2.767,76105.776
+1982,7146.587,15530.937,3864.013,10860.337,19052.815,27614.494,19052.169,19089.228,23979.412,4.189,73099.185
+1983,6831.823,15425.021,3840.293,10938.376,18547.898,27427.759,19134.104,19176.615,24613.652,2.796,72970.566
+1984,7210.899,15959.563,4000.779,11443.89,20173.625,29569.887,19608.586,19655.566,25635.017,2.794,76631.701
+1985,7148.219,16041.334,3732.156,11451.231,19442.85,28815.809,20041.466,20087.913,26031.597,-3.903,76392.385
+1986,6906.19,15975.109,3692.736,11606.106,19077.948,28273.554,20739.924,20788.785,26226.756,3.452,76647.005
+1987,6923.374,16263.214,3774.113,11946.009,19953.132,29378.886,21418.773,21468.88,26987.596,-2.533,79054.456
+1988,7356.785,17132.613,3993.898,12578.091,20861.787,30677.381,22266.602,22317.722,28226.734,3.365,82709.172
+1989,7566.171,17784.963,4043.125,13193.587,20873.917,31319.92,22424.115,22477.945,29869.088,8.998,84785.414
+1990,6556.428,16944.421,3896.027,13319.94,21180.071,31809.805,22366.211,22419.624,30495.053,-9.336,84484.454
+1991,6745.778,17419.328,3945.518,13499.969,20824.479,31399.34,22064.827,22117.987,30856.021,0.595,84437.218
+1992,6949.119,17354.771,3990.811,13441.084,21756.37,32570.884,22362.755,22415.073,30722.757,0.356,85782.168
+1993,7144.96,18216.519,3972.879,13819.793,21752.384,32627.877,22658.632,22711.73,31847.065,-10.49,87365.429
+1994,6976.233,18110.262,4016.29,14097.332,22391.808,33520.313,23309.995,23365.133,32398.714,-5.698,89087.342
+1995,6934.049,18516.657,4100.407,14689.92,22718.332,33969.76,23795.86,23851.129,33478.818,3.148,91030.614
+1996,7464.004,19501.837,4273.346,15171.9,23408.972,34903.242,24384.465,24439.208,34485.4,4.343,94020.53
+1997,7030.243,18962.257,4295.445,15681.208,23685.303,35199.392,24696.914,24751.338,34886.291,6.145,94600.34
+1998,6410.425,18951.921,4004.782,15967.514,23175.735,34841.564,25205.052,25260.114,36225.117,-3.374,95017.738
+1999,6771.791,19553.514,4053.402,16376.271,22949.091,34762.838,25892.262,25949.489,36975.567,6.282,96648.394
+2000,7155.591,20421.044,4278.142,17175.373,22823.293,34662.498,26495.46,26555.329,38061.759,2.304,98816.549
+2001,6863.77,20037.595,4084.524,17136.778,21792.891,32719.226,26219.394,26282.153,37215.174,-6.079,96169.673
+2002,6906.777,20785.797,4132.046,17345.751,21798.163,32661.068,26785.225,26845.749,38016.154,5.118,97643.483
+2003,7232.351,21119.325,4298.303,17346.105,21533.687,32553.077,26826.053,26900.175,38028.287,-1.172,97917.51
+2004,6986.583,21081.393,4232.181,17655.44,22411.443,33515.623,27763.966,27842.772,38701.055,-5.519,100089.709
+2005,6900.676,21612.654,4052.223,17853.401,21410.38,32441.503,28199.102,28280.349,39625.526,-0.175,100187.732
+2006,6154.405,20670.333,3747.325,17707.151,21528.97,32390.757,28637.627,28716.65,39416.564,-0.385,99484.506
+2007,6588.823,21519.009,3922.429,18252.874,21362.917,32385.234,28770.701,28858.342,40370.589,-0.684,101014.775
+2008,6888.713,21667.652,4099.806,18402.104,20528.139,31334.246,27404.332,27486.253,39969.266,0.534,98890.79
+2009,6632.712,21077.403,4055.45,17887.264,18755.909,28465.906,26604.849,26687.066,38068.718,0.021,94117.66
+2010,6540.352,21794.609,4022.863,18058.336,20277.892,30525.641,26977.695,27059.072,39618.856,6.87,97444.528
+2011,6391.687,21300.507,4062.532,17978.581,20455.645,30843.144,26631.724,26712.116,39292.761,7.527,96841.877
+2012,5672.28,19858.131,3725.389,17421.903,20741.662,30914.845,26143.711,26219.258,38131.096,2.169,94416.307
+2013,6704.59,21067.577,4163.536,17932.018,21262.802,31409.399,26671.26,26749.778,38356.585,-1.334,97157.439
+2014,6989.953,21429.25,4380.194,18254.625,21407.161,31643.241,26916.88,26996.48,38629.409,5.544,98329.141
+2015,6358.889,20511.786,4435.897,18151.889,21383.449,31327.169,27278.22,27355.195,37889.585,18.969,97365.008
+2016,6082.769,20413.099,4368.19,18212.038,21308.022,30841.268,27848.936,27925.291,37783.779,2.575,97394.271

03_Intro to matlab-octave/file.txt

@@ -0,0 +1,4 @@
+Computational Mechanics
+happy semester
+are you awake?
+3.141593 is equal to pi