Using PDE Mode in COMSOL to Model Temperature Change

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mherna48
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Hi everyone,

Can anyone explain how to use the PDE mode in COMSOL Multiphysics? I used the heat transfer package to model a piece of copper undergoing a change in temperature from 6 Kelvin to 300 Kelvin. Now I want to check to see that I can get the same results with my own equations. I don't even know how I would set the boundaries conditions.
 
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Hi everyone,

I kind of figured out where to input my simple equation, but I keep getting an error due to a zero matrix. How do I find where this zero matrix is located?
 

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