[Numpy-discussion] Bug or feature ?

[konrad.hinsen at laposte.net]

On Jan 24, 2005, at 16:19, Jean-Luc Menut wrote:

> When I write :
>>> a = array([[1, 2],[3, 4]])
>>> >>> a[0,0]=1.1
>
> I cannot expect to have a = array([[1.1, 2],[3, 4]]) ?

No. All elements in an array are of the same type.

> How can I solve this problem ? is it possible to force an array to be 
> an
> array of float ?

Yes, at creation time:

from Numeric import array, Float
a = array([[1, 2], [3, 4]], Float)

wil create a float array. All the integers are then converted to floats.

Konrad.
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