[Numpy-discussion] Condensing array...

Fred fredmfp@gmail....
Fri Feb 25 03:52:09 CST 2011


Le 25/02/2011 10:42, Gael Varoquaux a écrit :

> What exactly do you mean by 'decimating'. To me is seems that you are
> looking for matrix factorization or matrix completion techniques, which
> are trendy topics in machine learning currently.
By decimating, I mean this:

input array data.shape = (nx, ny, nz) -> data[::ax, ::ay, ::az], ie 
output array data[::ax, ::ay, ::az].shape = (nx/ax, ny/ay, nz/az).

-- 
Fred


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