Applying a function to a 2-D numarray

[Matt Feinstein]

On Mon, 16 May 2005 11:07:06 -0600, Steven Bethard
<steven.bethard at gmail.com> wrote:


>
>I must be missing something, because the simplest possible thing seems 
>to work for me:
>
>py> import numarray as na
>py> def plus1(arr):
>...     return arr + 1
>...
>py> def apply_func(arr, f):
>...     return f(arr)
>...
>py> a = na.arange(20, shape=(4, 5))
>py> a
>array([[ 0,  1,  2,  3,  4],
>        [ 5,  6,  7,  8,  9],
>        [10, 11, 12, 13, 14],
>        [15, 16, 17, 18, 19]])
>py> apply_func(a, plus1)
>array([[ 1,  2,  3,  4,  5],
>        [ 6,  7,  8,  9, 10],
>        [11, 12, 13, 14, 15],
>        [16, 17, 18, 19, 20]])
>
>Is this not what you wanted?

The problem is that I chose an example function that's too simple.
Non-trivial functions aren't so polymorphic, unfortunately.

Sorry for the confusion.

Matt Feinstein

--
There is no virtue in believing something that can be proved to be true.