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Re: Arrgghh! Perl and Matlab (round 2)

by tall_man (Parson)
on Aug 12, 2005 at 23:00 UTC ( #483450=note: print w/replies, xml ) Need Help??

in reply to Arrgghh! Perl and Matlab (round 2)

There's an easier way to create your $Sqs matrix. I tried this with your example and the suggestion by ambrus about matrix multiplication, and it worked.
$Sqs = zeroes($V); $Sqs->diagonal(0,1) .= $S;

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Re^2: Arrgghh! Perl and Matlab (round 2)
by ambrus (Abbot) on Aug 13, 2005 at 13:31 UTC

    There's an even easier way:

    $Sqs = stretcher($S);
    see PDL::MatrixOps.

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