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Re: Surface fitting with PDL

by pryrt (Abbot)
on Aug 09, 2020 at 21:17 UTC ( [id://11120528]=note: print w/replies, xml ) Need Help??

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  1. or download this
    #!/usr/bin/perl
    use strict;
    ...
    print "A => ", $matrix_A;
    print "B => ", my $column_B = vpdl [9,31,17,21];
    print "X => ", my $coeff_X = (($matrix_A->transpose x $matrix_A)->inv 
    +x $matrix_A->transpose) x $column_B;
    
  2. or download this
    A => 
    [
    ...
     [         3]
     [         4]
    ]
    

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