[Numpy-discussion] Expansion of Matrix
Reidar Strand Hagen
Reidar.Strand.Hagen at idi.ntnu.no
Tue May 10 12:35:19 EDT 2005
Hi
Sorry if this is an obvious question, but I'm getting close to loosing
sleep over it now :)
If I have a matrix:
1 2 3
4 5 6
7 8 9
is there a nice general way to expand the matrix to:
1 0 2 3
4 0 5 6
0 0 0 0
7 0 8 9
The actual dataset in question has dimensions 128 * 128 * 128; so big
enough for me to worry quite abit about duplication and general speed.
vennlig hilsen / regards
Reidar Strand Hagen
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