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From: Diego on 18 Jul 2010 15:50
"Janice " <janlee.cy(a)gmail.com> wrote in message <h9g7q7$3j4$1(a)fred.mathworks.com>...
> Hello,
>
> I need to enter a 2x2 matrix for the PDE coefficient "c" in the PDE toolbox. What is the way to do it? Is it with the "assempde" command?
>
> Thanks a lot.

Hi,
If the matrix is [k 0; 0 k] the answer is c='k'.
The explanation of how to built the c coefficient is in the help of assempde function.
Type 'help assempde' at MatLab's window.
The assempde function is used to solve the problems.
Diego
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