[Numpy-discussion] correct way to specify type in array definition
Francesc Altet
faltet at carabos.com
Thu Mar 15 06:23:36 EDT 2007
El dj 15 de 03 del 2007 a les 06:01 -0400, en/na Brian Blais va
escriure:
> Hello,
>
> Can someone tell me what the preferred way to specify the type of an array? I want
> it to be a float array, no matter what is given (say, integers). I can do:
>
> a=numpy.array([1,2,3],numpy.dtype('float'))
>
> or
>
> a=numpy.array([1,2,3],type(1.0))
>
> or perhaps many others. Is there a way that is recommended?
Well, this depends on your preferences, I guess, but I like to be
explicit, so I normally use:
a=numpy.array([1,2,3], numpy.float64)
but, if you are a bit lazy to type, the next is just fine as well:
a=numpy.array([1,2,3], 'f8')
Cheers,
--
Francesc Altet | Be careful about using the following code --
Carabos Coop. V. | I've only proven that it works,
www.carabos.com | I haven't tested it. -- Donald Knuth
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