Le 08/09/2014 15:29, Stefan Otte a écrit : > Hey, > > quite often I work with block matrices. Matlab offers the convenient notation > > [ a b; c d ] > > to stack matrices. The numpy equivalent is kinda clumsy: > > vstack([hstack([a,b]), hstack([c,d])]) > > I wrote the little function `stack` that does exactly that: > > stack([[a, b], [c, d]]) > > In my case `stack` replaced `hstack` and `vstack` almost completely. > > If you're interested in including it in numpy I created a pull request > [1]. I'm looking forward to getting some feedback! > > > Best, > Stefan > > > > [1] https://github.com/numpy/numpy/pull/5057 > The outside brackets are redundant, stack([[a, b], [c, d]]) should be stack([a, b], [c, d])
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