Matlab Tips

This script demonstrates a Matlab anonymous function with variable coefficients. It also performs integration using the quad function, which uses adaptive Simpson quadrature. This example is from an actual engineering problem for beam vibration.

sigma1=( sinh(beta*L) +sin(beta*L))/(cosh(beta*L) -cos(beta*L));
core=@(x) ((cosh(beta*x)-cos(beta*x))-sigma1*(sinh(beta*x) -sin(beta*x))).^2;

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Here is a script for reading ASCII text data into Matlab:  read_data.m

The data should not have any header lines.  It should also have a uniform number of columns.

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– Tom Irvine

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