ProjetMAM/Pivot
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less use of transpose
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This commit is contained in:
Simon Pribylski
2024-05-04 15:21:49 +02:00
parent 11cc0fadad
commit dc31f1f091
3 changed files with 33 additions and 11 deletions
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14
src/Solver.cpp
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@@ -3,9 +3,7 @@
#include "Gauss.h"
Vect Solver::Image(Matrix&& a_Matrix) const {
a_Matrix.Transpose();
Gauss::GaussJordan(a_Matrix, true, true);
a_Matrix.Transpose();
Gauss::GaussJordanColumn(a_Matrix, true, true);
return {a_Matrix};
}
@@ -14,16 +12,14 @@ Vect Solver::Kernel(Matrix&& a_Matrix) const {
std::size_t matrixRawCount = a_Matrix.GetRawCount();
std::size_t matrixColumnCount = a_Matrix.GetColumnCount();
a_Matrix.Transpose();
a_Matrix.Augment(Matrix::Identity(a_Matrix.GetRawCount()));
Gauss::GaussJordan(a_Matrix, true, true);
a_Matrix.Transpose();
a_Matrix.AugmentBottom(Matrix::Identity(a_Matrix.GetColumnCount()));
Gauss::GaussJordanColumn(a_Matrix, true, true);
// nombre de colonnes non nulles
std::size_t origine_colonne = Vect(a_Matrix.SubMatrix(0, 0, matrixRawCount, matrixColumnCount)).GetCardinal();
return {a_Matrix.SubMatrix(matrixRawCount, origine_colonne, a_Matrix.GetRawCount() - matrixRawCount,
a_Matrix.GetColumnCount() - origine_colonne)};
return {a_Matrix.SubMatrix(
matrixRawCount, origine_colonne, a_Matrix.GetRawCount() - matrixRawCount, a_Matrix.GetColumnCount() - origine_colonne)};
}
VectAffine Solver::RectangularSystem(Matrix&& a_MatrixA, const Matrix& a_VectorB) const {