Date: Feb 6, 2013 2:35 AM
Author: Bruno Luong
Subject: Re: Warning: Matrix is singular to working precision.
"nelimw" wrote in message <kesddc$p0q$1@newscl01ah.mathworks.com>...

> I am trying to write a code to create a 3-D plot of the absolute maximum non-dimensional shear tress. The code I have is provided below. However, each time I run this code I get this error: Warning: Matrix is singular to working precision. My questions are

>

> 1) What does that error mean

> 2) How can I fix it

>

> Thank you for your help in advance

>

> close all;

> clear all;

>

> [x,y] = meshgrid(-3:.1:3,-3:.1:3); %make a grid of points

>

> sigmaX = (-2/pi).*(x.^3/(x.^2+y.^2).^2);

> sigmaY = (-2/pi).*((x.*y.^2)/(x.^2+y.^2).^2);

> tauXY = (-2/pi).*((y.*x.^2)/(x.^2+y.^2).^2);

I bet you want "./" operator and not "/".

Bruno