Re: [Numpy-discussion] Grief with a complex value

[Stefan v. d. W. <st...@su...>]

On Thu, Nov 09, 2006 at 03:18:57AM -0500, Colin J. Williams wrote:
>=20
>  >>> import numpy.core as _n
>  >>> _nt=3D _n.numerictypes
>  >>> value=3D=20
> '\x00\x00\x00\x00\x00\x00\xf0?\x00\x00\x00\x00\x00\x00\x00@\x00\x00\x00=
\x00\x00\x00\x08@\x00\x00\x00\x00\x00\x00\x10@\x00\x00\x00\x00\x00\x00\x1=
4@\x00\x00\x00\x00\x00\x00\x18@'
>  >>> _n.array(value, dtype=3D _nt.complex128, copy=3DTrue)
> Traceback (most recent call last):
>   File "<interactive input>", line 1, in <module>
> TypeError: a float is required
>  >>>

If I understand correctly, you would like to create an array from a
buffer:

In [12]: N.frombuffer(value,dtype=3DN.complex128)
Out[12]: array([ 1.+2.j,  3.+4.j,  5.+6.j])

Cheers
St=E9fan