Re: [Numpy-discussion] selecting part of an array like a[ a<5 ]

2007-08-20 Thread Keith Goodman
On 8/20/07, mark <[EMAIL PROTECTED]> wrote: > b = a>5 > > a[not b] or a[!b] don't work. So it's gotta be something different. a[~b] ___ Numpy-discussion mailing list Numpy-discussion@scipy.org http://projects.scipy.org/mailman/listinfo/numpy-discussion

[Numpy-discussion] selecting part of an array like a[ a<5 ]

2007-08-20 Thread mark
Hello - I am wondering what the better way is to select part of an array. Say I have an array a: a = arange(10) Now I want to select the values larger than 5 a[ a>5 ] and later I need the values smaller or equal to 5 a[ a<=5 ] It seems that doing the comparison twice is extra work (especiall