[Numpy-discussion] empty data matrix (are they really empty ?)
svetosch at gmx.net
Thu Dec 14 08:19:42 CST 2006
[you probably should have started a new thread instead of replying to
Giorgio Luciano schrieb:
> In the old file I created a matrix on the fly. I know that Numpy and
> python cannot do that so I found a workaround
I'm not sure what you mean what numpy cannot do, but...
> here's the code
> First I create the empty matrix
> Secon perform the calculation
> Third take the matrix and exclude the first line since it has "dummy"
> everything works fine.. but is this really necessary ? could not an empy
> just just be "really empty" ?
> Thanks for the answers
you can use lev2 = empty((0,h)) as a starting point for adding rows, it
works and then nothing "dummy"-like will be in lev2
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