Hi, I’m my variational equation has a conditional function like below H\left(u\right)=\left\{\begin{align}&f\left(u\right),~ if~u<0\\&g\left(u\right),~if~u\ge0\end{align}\right. I tried def H(u): val = u.vector().vec().array tmp = np.zeros_like(val) tmp[val < 0] = ... tmp[val >= …

How to implement function with condition?

dokken May 18, 2021, 3:39am 3

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