On 2013-11-19 at 10:28:51 -0800, MARK BAKER wrote:
> Also a Module for working with Quantum Mechanics would be nice
> as my inverse matrices are not producing the right out puts
> example
> [1,2,3]
> [2,4,5]
> [3,5,6]
>
> should equal
>
> [1,-3,2]
> [-3,3,-1]
> [2,-1,0]
>
> however in 2.007 it equals
>
> [ 1 0.5 0.33333333]
> [ 0.5 0.25 0.2]
> [0.33333333 0.2 0.16666667]
>
Hi Mark,
You'll want to use the inv() function:
my $mat = pdl q/1 2 3; 2 4 5; 3 5 6/;
print inv($mat); # use inv() for matrix inversion
<http://pdl.perl.org/PDLdocs/MatrixOps.html#inv>
print 1 / $mat; # instead of element-wise operator
<http://pdl.perl.org/PDLdocs/Ops.html#divide>
Regards,
- Zaki Mughal
>
>
> Cheers
>
> -Mark
> ENFINX
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