public class GaussianElimination4SquareMatrix extends Object implements LUDecomposition
GaussianElimination
but applies only to square matrices.Constructor and Description |
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GaussianElimination4SquareMatrix(Matrix A)
Run the Gaussian elimination algorithm on a square matrix.
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GaussianElimination4SquareMatrix(Matrix A,
double epsilon)
Run the Gaussian elimination algorithm on a square matrix.
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Modifier and Type | Method and Description |
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LowerTriangularMatrix |
L()
Get the lower triangular matrix L as in the LU decomposition.
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PermutationMatrix |
P()
Get the permutation matrix P as in P * A = L * U.
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UpperTriangularMatrix |
U()
Get the upper triangular matrix U as in the LU decomposition.
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public GaussianElimination4SquareMatrix(Matrix A, double epsilon)
A
- a square matrixepsilon
- a precision parameter: when a number |x| ≤ ε, it is considered 0IllegalArgumentException
- if A is not squarepublic GaussianElimination4SquareMatrix(Matrix A)
A
- a square matrixIllegalArgumentException
- if A is not squarepublic LowerTriangularMatrix L()
LUDecomposition
L
in interface LUDecomposition
public UpperTriangularMatrix U()
LUDecomposition
U
in interface LUDecomposition
public PermutationMatrix P()
LUDecomposition
P
in interface LUDecomposition
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