Re: [Numpy-discussion] cummax

2009-09-23 Thread Charles R Harris
On Wed, Sep 23, 2009 at 8:34 AM, Nissim Karpenstein wrote: > Hi, > > I want a cummax function where given an array inp it returns this: > > numpy.array([inp[:i].max() for i in xrange(1,len(inp)+1)]). > > Various python versions equivalent to the above are quite slow (though a > single python loop

[Numpy-discussion] cummax

2009-09-23 Thread Nissim Karpenstein
Hi, I want a cummax function where given an array inp it returns this: numpy.array([inp[:i].max() for i in xrange(1,len(inp)+1)]). Various python versions equivalent to the above are quite slow (though a single python loop is much faster than a python loop with a nested numpy C loop as shown abo