On Thu, Dec 5, 2013 at 10:35 PM, <josef.p...@gmail.com> wrote: > what about np.dot, np.dot(mask, x) which is the same as (mask * > x).sum(0) ?
I am not sure which way your argument goes, but I don't think you would find the following natural: >>> x = array([True, True]) >>> dot(x,x) True >>> (x*x).sum() 2 >>> (x*x).sum(0) 2 >>> (x*x).sum(False) 2
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