Jim O'D wrote: > Hi all > > I have an array a=array([2,3,-1]). > > I want to extract an array with all the elements of a that are less than 0. > > Method 1. > new = array([i for i in a if i < 0]) > > Method 2. > new = a[nonzero(a<0)] > > I'm using Numeric arrays but can't seem to find a function that does this. > > Am I missing a more obvious way to do it quickly? > > Thanks > > Jim
a2=Numeric.compress(a<0,a) -- http://mail.python.org/mailman/listinfo/python-list