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Re: Arrgghh! Perl and Matlab (round 2)

by tall_man (Parson)
on Aug 12, 2005 at 19:00 UTC ( [id://483450]=note: print w/replies, xml ) Need Help??

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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;

[download]

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Re^2: Arrgghh! Perl and Matlab (round 2)
by ambrus (Abbot) on Aug 13, 2005 at 09:31 UTC

    There's an even easier way: 

    $Sqs = stretcher($S);

    [download]
    see PDL::MatrixOps.
[reply]
[d/l]

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