Find position of nonzero elements
- To: mathgroup at smc.vnet.net
- Subject: [mg120317] Find position of nonzero elements
- From: Dominic Wörner <dominic.woerner at mpi-hd.mpg.de>
- Date: Tue, 19 Jul 2011 06:53:55 -0400 (EDT)
How can I find the indices i and j of all nonzero elements of a matrix.
I want that because there are only some nonzero elements in a huge
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