[Numpy-discussion] bitwise or'ing rows

[Mads Ipsen]

Hi

If I have an n x m array of bools, is there a handy way for me to 
perform a 'bitwise_and' or 'bitwise_or' along an axis, for example all 
the rows or all the columns? For example

a =
[[1,0,0,0],
  [0,0,1,0],
  [0,0,0,0]] (0 and 1 meaning True and False)

a.bitwise_or(axis=0)

giving

[1,0,1,0]

Best regards,

Mads




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| Mads Ipsen                                                          |
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