[SciPy-Dev] how to multiply an instance of ndarray and an object?

[Phillip Feldman]

I have a class called `Signal` that handles multiplication by an array on
the right by overloading `__mul__`.  I tried to implement multiplication by
an array on the left by overloading `__rmul__`, but wasn't able to make
this work because NumPy thinks that it knows how to handle this, so my
`__rmul__` method (below) is never called.  The result is an array having
dtype `object`.  Is there a practical way to modify NumPy to solve this
problem

Phillip

    def __rmul__(self, c):
        S= self.copy()
        S.phasors*= c
        return S
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