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Groups > comp.soft-sys.math.mathematica > #2563

Re: Convert Matrix to Sparse Matrix

From Bill Rowe <readnews@sbcglobal.net>
Newsgroups comp.soft-sys.math.mathematica
Subject Re: Convert Matrix to Sparse Matrix
Date 2011-05-21 10:47 +0000
Organization Steven M. Christensen and Associates, Inc and MathTensor, Inc.
Message-ID <ir858p$bfb$1@smc.vnet.net> (permalink)

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On 5/20/11 at 6:35 AM, dominic.woerner@mpi-hd.mpg.de (Dominic W=C3=B6rner)
wrote:


>I have big matrices with many zero elements. Calculating with them
>is very slow and I thought I could speed up the computations by
>converting them into sparse arrays. Is there function that does what
>I'm looking for?

Yes, the function is SparseArray. Look up details in the
Documentation Center

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Re: Convert Matrix to Sparse Matrix Bill Rowe <readnews@sbcglobal.net> - 2011-05-21 10:47 +0000

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