I have the following equation: $$ \nabla \times (\sigma E) $$ where $\sigma$ is a second-order tensor and $E$ is a vector.

I do have another equation I can substitute for $\nabla \times E$.

How do I simplify this to terms with $\nabla \times E$, so without $\sigma$ inside the curl?

  • $\begingroup$ If $\sigma$ is a constant tensor, then we simply have $\nabla \times (\sigma E) = \sigma(\nabla \times E)$. $\endgroup$ – Omnomnomnom May 18 at 23:41

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