[SciPy-user] Maximal element of a matrix

Travis Oliphant oliphant at ee.byu.edu
Wed Oct 12 03:27:40 CDT 2005


Alexander Borghgraef wrote:

> Is there a function for determining the largest element of a matrix in 
> scipy? Max nor maximum
> cut it, so I have no idea. What does maximum do anyway? Documentation 
> on it is rather
> minimal, help(scipy.maximum) just returns <ufunc 'maximum'>, not very 
> helpful.
>

Yeah.  You have to understand ufuncs for the maximum function to make 
sense.   It takes the maximum element-by-element of two arrays.

But maximum.reduce(ravel(a)) does what you want.

In scipy this can be called as

a.max()


-Travis



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