MF_LUinv MD_LUinv ME_LUinv
Functioninvert a matrix already decomposed into LU form
Syntax C/C++#include <MFstd.h>
void MF_LUinv( fMatrix Inv, fMatrix LU, uVector Ind, ui len );
C++ MatObj#include <OptiVec.h>
void matrix<T>::LUinv( const matrix<T>& MLU, const vector<unsigned>& Ind );
Pascal/Delphiuses MFstd;
procedure MF_LUinv( MInv, MLU:fMatrix; Ind:uVector; len:UIntSize );
DescriptionMF_LUinv inverts a matrix already decomposed into LU form. Along with the matrix MLU, its permutation indices are needed in the vector Ind as output by MF_LUdecompose
See alsochapter 10

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