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hub / github.com/andeya/algorithm / DecomposeLDL

Function DecomposeLDL

matops/ldl.go:436–458  ·  view source on GitHub ↗

* * Compute an LDLT factorization of a symmetric N-by-N matrix with partial pivoting. * * Arguments: * A On entry, the N-by-N matrix to be factored. On exit the factor * L and 1-by-1 diagonal D from factorization A = L*D*L.T, the unit diagonal * of L are not stored. Or

(A, W *matrix.FloatMatrix, ipiv []int, flags Flags, nb int)

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Callers 3

TestLDLlowerFunction · 0.85
_TestLDLupperFunction · 0.85
TestLDLSolveFunction · 0.85

Calls 6

unblkLowerLDLFunction · 0.85
unblkUpperLDLFunction · 0.85
blkLowerLDLFunction · 0.85
blkUpperLDLFunction · 0.85
ColsMethod · 0.65
RowsMethod · 0.65

Tested by 3

TestLDLlowerFunction · 0.68
_TestLDLupperFunction · 0.68
TestLDLSolveFunction · 0.68