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I am trying to develop a model for my PhD research, I don't want to get into specifics too much, but I have encountered the following problem.

I need to write

[tex]\psi \frac{\partial \psi^*}{\partial x}[/tex]

in the following form

[tex]\frac{\partial}{\partial x}(\text{Some function})[/tex]

This is very similar to the following,

[tex]x \frac{dx}{dt}=\frac{d}{dx}\left( \frac{1}{2}x^2 \right)[/tex]

However the fact that ##\psi## is a complex number is making this difficult for me. Does anyone have any ideas??

Thanks!