Hi,

I'm study the example step-8 now and I want to write a code for a vector valued nonlinear PDE with time.

In the step-8, it is like construct a right hand side function and a system matrix, then we can solve the linear system and the solution which is a vector. But if there is time variable in the equation, how can we use the solution vector to get a new "right hand side function" so that we can move to the next time step?

Thank you very much!
Xiao
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