LDLDecomposition

可用，但與 .wl 參考有差異

Returns the L·D·Lᴴ factorization of a Hermitian (or real symmetric) matrix:

形式

LDLDecomposition[m]

已驗證的範例LDLDecomposition[{{4, 2}, {2, 3}}] → {LowerTriangularMatrix[StructuredArray`StructuredData[{2, 2}, {{1, 0}, {1/2, 1}}]], DiagonalMatrix[StructuredArray`StructuredData[{2, 2}, {{4, 2}, 0}]]}LDLDecomposition[{{1, 2}, {2, 1}}] → {LowerTriangularMatrix[StructuredArray`StructuredData[{2, 2}, {{1, 0}, {2, 1}}]], DiagonalMatrix[StructuredArray`StructuredData[{2, 2}, {{1, -3}, 0}]]}LDLDecomposition[{{2, I}, {-I, 2}}] → {LowerTriangularMatrix[StructuredArray`StructuredData[{2, 2}, {{1, 0}, {-1/2*I, 1}}]], DiagonalMatrix[StructuredArray`StructuredData[{2, 2}, {{2, 3/2}, 0}]]}LDLDecomposition[{{4, 2}, {2, 3}}, TargetStructure -> "Dense"] → {{{1, 0}, {1/2, 1}}, {{4, 0}, {0, 2}}}選項

TargetStructure — default Automatic

在 Qurak 上執行搜尋參考文件

主題

Matrix Decompositions - Linear Equation - Related Decompositions
New In150 Alphabetical Listing - L
Summary Of New Features In150 - Linear Equation - Related Matrix Decompositions
Summary Of New Features In150 - Linear Equation - Related Matrix Decompositions

相關

BunchKaufmanDecomposition CholeskyDecomposition LUDecomposition DiagonalMatrix LowerTriangularMatrix PositiveDefiniteMatrixQ QRDecomposition Adjugate AntihermitianMatrixQ AntisymmetricMatrixQ BoxMatrix CauchyMatrix

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