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math.matrices: rename for consistency 

Getting the sample cov matrix is actually much more common than getting
the population one.
windows-high-dpi
Björn Lindqvist 2018-02-23 23:47:55 +01:00
parent 780bbd49cf
commit 97d9cee732
2 changed files with 2 additions and 2 deletions
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2
basis/math/matrices/matrices-tests.factor
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@ -312,7 +312,7 @@ CONSTANT: test-points {
{ 23+59/147 6+15/49 27+17/49 }
}
} [
test-points cov-matrix
test-points population-cov-matrix
] unit-test
{

2
basis/math/matrices/matrices.factor
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@ -222,7 +222,7 @@ ERROR: negative-power-matrix m n ;
: cov-matrix-ddof ( matrix ddof -- cov )
'[ _ cov-ddof ] cartesian-matrix-column-map ; inline
: cov-matrix ( matrix -- cov ) 0 cov-matrix-ddof ; inline
: population-cov-matrix ( matrix -- cov ) 0 cov-matrix-ddof ; inline
: sample-cov-matrix ( matrix -- cov ) 1 cov-matrix-ddof ; inline