how to assemble a symbolic matrix?

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Clara Sophie
Clara Sophie 2023-6-6
评论： Clara Sophie 2023-6-6
Hi, so I have to assemble a stiffness matrix with symbolic variables. If I give the variables numbers, the code works but if I try to let it run with the symbolic variables it says sym not convertable to double. Can anyone think of a solution?
Ke is a 10x10 matrix and is assembled by multiple 6x6 matrices so I first set Ke as a matrix of zeros, and then let it be assembled via a loop
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Matt J
Matt J 2023-6-6
Why would you be using symbolic variables? A stiffness matrix is something used in numerical methods for partial differential equations.
Clara Sophie
Clara Sophie 2023-6-6
I have the problem fixed, i just needed to add a 'sym' in my Ke matrix thank you all for trying to help

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