[Numpy-discussion] Converting a list
Robert Kern
robert.kern at gmail.com
Mon Jul 10 05:57:51 EDT 2006
Nils Wagner wrote:
> Hi all,
>
> I have a list consisting of arrays of different size
>
> data = [array([-1. +0.j, -1.33333333+0.j, -1.66666667+0.j]),
> array([-2.+0.j , -2.-0.66666667j, -2.-1.33333333j]),
> array([-2. -2.j, -1.33333333-2.j, -0.66666667-2.j]), array([
> 0.-2.j , 0.-1.66666667j, 0.-1.33333333j]), array([
> 6.12323400e-17-1.j , -2.58819045e-01-0.96592583j,
> -5.00000000e-01-0.8660254j , -7.07106781e-01-0.70710678j,
> -8.66025404e-01-0.5j , -9.65925826e-01-0.25881905j])]
>
> type(data) = <type 'list'>
>
> shape(data) results in
>
> shape(data) =
> Traceback (most recent call last):
> File "sinai.py", line 107, in ?
> p = polygon(P)
> File "sinai.py", line 67, in polygon
> print 'shape(data) = ',shape(data)
> File "/usr/lib64/python2.4/site-packages/numpy/core/fromnumeric.py",
> line 258, in shape
> result = asarray(a).shape
> File "/usr/lib64/python2.4/site-packages/numpy/core/numeric.py", line
> 119, in asarray
> return array(a, dtype, copy=False, order=order)
> TypeError: a float is required
>
> Is this a bug ?
The error message is unhelpful, certainly, but the *fact* that an exception is
raised is not a bug.
--
Robert Kern
"I have come to believe that the whole world is an enigma, a harmless enigma
that is made terrible by our own mad attempt to interpret it as though it had
an underlying truth."
-- Umberto Eco
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