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  • Intro Learning Module - Plot sigma_x vs. inner radius (Take 3)

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Key point: MATLAB starts counting the rows and colums at 0 rather than 1. So the first row is 0, second row is 1 and so on. The same thing applies to columns also. See below for an input with n rows and m columns. (i, j) are the row, column coordinates.

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{{\[ (0,0) (0,1) (0,2)...(0,m-1) \]

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\[(n-1,0) \_________\_ \_(n-1,m-1)\]}}

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Once again, edit _beam4.m_. Now, use the dlmread command with the delimiter and range inputs to extract both A and B at the same time. The delimiter should be '', the range should be \[0 0 1 1\] for A and \[2 0 3 0\] for B. Remember to add your semi-colons.

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