LUDecomposition
در دسترس
LU decomposition with partial pivoting. Wolfram returns the separate lower- and
LUDecomposition[m]
LUDecomposition[{{0, 1}, {1, 0}}]
→ {LowerTriangularMatrix[StructuredArray`StructuredData[{2, 2}, {{1, 0}, {0, 1}}]], UpperTriangularMatrix[StructuredArray`StructuredData[{2, 2}, {{1, 0}, {0, 1}}]], PermutationMatrix[StructuredArray`StructuredData[{2, 2}, {Cycles[{{1, 2}}], Infinity}]], 0}LUDecomposition[{{1., 3.}, {2., 1.}}]
→ {LowerTriangularMatrix[StructuredArray`StructuredData[{2, 2}, {{1., 0.}, {0.5, 1.}}]], UpperTriangularMatrix[StructuredArray`StructuredData[{2, 2}, {{2., 1.}, {0., 2.5}}]], PermutationMatrix[StructuredArray`StructuredData[{2, 2}, {Cycles[{{1, 2}}], Infinity}]], 3.2}- Modulus — default 0
- Pivoting — default True
- TargetStructure — default Automatic
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