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- Homework Statement
- Are there any good examples of the Cauchy-Riemann theorem (for differentiability) in physics and how it's used?

- Relevant Equations
- $$\frac{\partial u}{\partial x}=\frac{\partial v}{\partial y}$$

$$\frac{\partial u}{\partial y}=-\frac{\partial v}{\partial x}$$

I was thinking of the wavefunction in QM but I'm not sure how it's used and when.