[Numpy-discussion] Getting the indexes of the myarray.min()

Perry Greenfield perry at stsci.edu
Thu May 13 12:43:01 CDT 2004


> Russell E Owen wrote:
> 
> At 9:27 AM -0400 2004-05-13, Perry Greenfield wrote:
> >... One has to trade off the number of such functions
> >against the speed savings. Another example is getting max and min values
> >for an array. I've long thought that this is so often done they could
> >be done in one pass. There isn't a function that does this yet though.
> 
> Statistics is another area where multiple return values could be of 
> interest -- one may want the mean and std dev, and making two passes 
> is wasteful (since some of the same info needs to be computed both 
> times).
> 
> A do-all function that computes min, min location, max, max location, 
> mean and std dev all at once would be nice (especially if the 
> returned values were accessed by name, rather than just being a tuple 
> of values, so they could be referenced safely and readably).
> 
> -- Russell
> 
We will definitely add something like this for 1.0 or 1.1.
(but probably for min and max location, it will just be
for the first encountered).

Perry




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