Update README.md

ndm13002 · May 1, 2017 · d508893 · d508893
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@@ -25,3 +25,23 @@ Used functions/scripts:
 a-d: CDM.m, plotCDM_Part_3.m
 
 ![q versus maximum deflection for various N and P](Plot3.PNG)
+
+# Problem 4
+Used functions/scripts:
+
+a-d: egv.m, defl.m, solveODE.m
+
+6 Segments -- called with egv(6,0) -- all in hz
+| First Natural Frequency | Second Natural Frequency | Third Natural Frequency |
+| ------------- | ------------- | ------------- |
+| 141.7854  | 529.1503  | 1.0583e+03  |
+
+10 Segments -- called with egv(10,0) -- all in hz
+| First Natural Frequency | Second Natural Frequency | Third Natural Frequency |
+| ------------- | ------------- | ------------- |
+| 143.8803  | 561.4373  | 1.2118e+03  |
+
+20 Segments -- called with egv(20,0) -- all in hz
+| First Natural Frequency | Second Natural Frequency | Third Natural Frequency |
+| ------------- | ------------- | ------------- |
+| 144.7715  | 575.5213  | 1.2816e+03  |