[Numpy-discussion] Assigning complex value to real array
sicre
hugogilsilva@gmail....
Thu Oct 7 00:14:02 CDT 2010
Andrew P. Mullhaupt wrote:
>
>
> I came across this gem yesterday
>
>
> > >> from numpy import *
> > >> R = ones((2))
> > >> R[0] = R[0] * 1j
> > >> R
> ...array([ 0., 1.])
> > >> R = ones((2), 'complex')
> > >> R[0] = R[0] * 1j
> > >> R
> array([ 0.+1.j, 1.+0.j])"
>
> and I read that this behavior is actually intended for some reason about
> how Python wants relations between types to be such that this mistake is
> unavoidable.
>
> So can we have a new abstract floating type which is a complex, but is
> implemented so that the numbers where the imaginary part is zero
> represent and operate on that imaginary part implicitly? By containing
> all these semantics within one type, then presumably we avoid problems
> with ideas relationships between types.
>
> Best regards,
> Andrew Mullhaupt
>
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>
>
Sorry, but this post is in the wrong topic since it has nothing to do with
my question.
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