fitpoly1d() no longer seems to thread over extra dimensions:
pdl> $x = pdl( [101,103,104,102,109] )
pdl> p $x
[101 103 104 102 109]
pdl> ($xf, $c) = fitpoly1d($x, 2)
pdl> p $xf
[100.8 102.3 103.8 105.3 106.8]
pdl>
pdl> $x = pdl( [101,103,104,102,109],[101,103,104,102,109] )
pdl> p $x
[
[101 103 104 102 109]
[101 103 104 102 109]
]
pdl> ($xf, $c) = fitpoly1d($x, 2)
pdl> p $xf # WTF?!
[
[ 53.496 12.576 -28.344 -69.264 -110.184]
[ 53.496 12.576 -28.344 -69.264 -110.184]
]
I took a look at the Polynomial.pm and could no longer figure it out! I swear
it used to work - anyone have any ideas?
Karl
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