[Numpy-discussion] fumfunction question

Travis Oliphant oliphant@ee.byu....
Wed Apr 18 13:52:03 CDT 2007


Mark.Miller wrote:

>OK...I think I understand.  But just to clarify:
>
>Suppose I have a function that can take 3 parameters
>
>def f(x,y,constant):
>    operations
>
>Is it appropriate to use something like
>
>a=numpy.fromfunction(f,(x,y),const)
>
>where x and y give the array dimensions and const is another variable 
>that is used to perform operations within f.
>
>I know that it doesn't work, but I just wanted to check to see if there 
>is possibly a syntax that can work.
>  
>

No, you can only pass extra keyword arguments on to the function.  Thus,

def f(x,y,myval=3):
      operations

could be called as

a = numpy.fromfunction(f, (10,20), myval=4)

-Travis



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