f coefficient in PDEtool: exponential function of state.u
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I am currently working on solving a pde imposing c coefficient as an exponential function of the unknow and the location, as below:
cCoef= @(location,state) k.*(exp(state.u-location.y));
However, when I run the code it does not to consider the exponential relationship.
I could not find any question answering this problem, only addressing how to write a coefficent dependent only on location or only on the unknow.