private static class CholeskyDecompositionImpl.Solver extends java.lang.Object implements DecompositionSolver
Modifier and Type | Field and Description |
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private double[][] |
lTData
Row-oriented storage for LT matrix data.
|
Modifier | Constructor and Description |
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private |
CholeskyDecompositionImpl.Solver(double[][] lTData)
Build a solver from decomposed matrix.
|
Modifier and Type | Method and Description |
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RealMatrix |
getInverse()
Get the inverse (or pseudo-inverse) of the decomposed matrix.
|
boolean |
isNonSingular()
Check if the decomposed matrix is non-singular.
|
ArrayRealVector |
solve(ArrayRealVector b)
Solve the linear equation A × X = B.
|
double[] |
solve(double[] b)
Solve the linear equation A × X = B for matrices A.
|
RealMatrix |
solve(RealMatrix b)
Solve the linear equation A × X = B for matrices A.
|
RealVector |
solve(RealVector b)
Solve the linear equation A × X = B for matrices A.
|
private CholeskyDecompositionImpl.Solver(double[][] lTData)
lTData
- row-oriented storage for LT matrix datapublic boolean isNonSingular()
isNonSingular
in interface DecompositionSolver
public double[] solve(double[] b) throws java.lang.IllegalArgumentException, InvalidMatrixException
The A matrix is implicit, it is provided by the underlying decomposition algorithm.
solve
in interface DecompositionSolver
b
- right-hand side of the equation A × X = Bjava.lang.IllegalArgumentException
- if matrices dimensions don't matchInvalidMatrixException
- if decomposed matrix is singularpublic RealVector solve(RealVector b) throws java.lang.IllegalArgumentException, InvalidMatrixException
The A matrix is implicit, it is provided by the underlying decomposition algorithm.
solve
in interface DecompositionSolver
b
- right-hand side of the equation A × X = Bjava.lang.IllegalArgumentException
- if matrices dimensions don't matchInvalidMatrixException
- if decomposed matrix is singularpublic ArrayRealVector solve(ArrayRealVector b) throws java.lang.IllegalArgumentException, InvalidMatrixException
The A matrix is implicit here. It is
b
- right-hand side of the equation A × X = Bjava.lang.IllegalArgumentException
- if matrices dimensions don't matchInvalidMatrixException
- if decomposed matrix is singularpublic RealMatrix solve(RealMatrix b) throws java.lang.IllegalArgumentException, InvalidMatrixException
The A matrix is implicit, it is provided by the underlying decomposition algorithm.
solve
in interface DecompositionSolver
b
- right-hand side of the equation A × X = Bjava.lang.IllegalArgumentException
- if matrices dimensions don't matchInvalidMatrixException
- if decomposed matrix is singularpublic RealMatrix getInverse() throws InvalidMatrixException
getInverse
in interface DecompositionSolver
InvalidMatrixException
- if decomposed matrix is singularCopyright (c) 2003-2016 Apache Software Foundation