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Re^2: Strassen's Algorithm for Matrix Multiplication

by cormanaz (Chaplain)
on Apr 13, 2013 at 15:26 UTC ( #1028528=note: print w/ replies, xml ) Need Help??


in reply to Re: Strassen's Algorithm for Matrix Multiplication
in thread Strassen's Algorithm for Matrix Multiplication

My bad re missing link.

That seems to be what they've done in the MCE code example. What I don't get is this argument $tam (used both in perl and C). It says in the C code this has something to do with the "length of the matrix" but a matrix has two dimensions, so I'm not sure what they mean by "length." This is what made me think they were setting up some kind of fixed size test data.

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Re^3: Strassen's Algorithm for Matrix Multiplication
by Corion (Pope) on Apr 13, 2013 at 16:07 UTC
    Strassen's algorithm only works for square matrices of a dimenstion that is a power of two I believe. At least a superficial scan of the Wikipedia article seems to confirm that. It also mentions padding non-square matrices.
      Right you are. That explains it, then. Thanks.

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