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java.lang.Objectorg.apache.commons.math.linear.EigenDecompositionImpl.Solver
private static class EigenDecompositionImpl.Solver
Specialized solver.
Field Summary | |
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private ArrayRealVector[] |
eigenvectors
Eigenvectors. |
private double[] |
imagEigenvalues
Imaginary part of the realEigenvalues. |
private double[] |
realEigenvalues
Real part of the realEigenvalues. |
Constructor Summary | |
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private |
EigenDecompositionImpl.Solver(double[] realEigenvalues,
double[] imagEigenvalues,
ArrayRealVector[] eigenvectors)
Build a solver from decomposed matrix. |
Method Summary | |
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RealMatrix |
getInverse()
Get the inverse of the decomposed matrix. |
boolean |
isNonSingular()
Check if the decomposed matrix is non-singular. |
double[] |
solve(double[] b)
Solve the linear equation A × X = B for symmetric matrices A. |
RealMatrix |
solve(RealMatrix b)
Solve the linear equation A × X = B for symmetric matrices A. |
RealVector |
solve(RealVector b)
Solve the linear equation A × X = B for symmetric matrices A. |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Field Detail |
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private double[] realEigenvalues
private double[] imagEigenvalues
private final ArrayRealVector[] eigenvectors
Constructor Detail |
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private EigenDecompositionImpl.Solver(double[] realEigenvalues, double[] imagEigenvalues, ArrayRealVector[] eigenvectors)
realEigenvalues
- real parts of the eigenvaluesimagEigenvalues
- imaginary parts of the eigenvalueseigenvectors
- eigenvectorsMethod Detail |
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public double[] solve(double[] b) throws java.lang.IllegalArgumentException, InvalidMatrixException
This method only find exact linear solutions, i.e. solutions for which ||A × X - B|| is exactly 0.
solve
in interface DecompositionSolver
b
- right-hand side of the equation A × X = B
java.lang.IllegalArgumentException
- if matrices dimensions don't match
InvalidMatrixException
- if decomposed matrix is singularpublic RealVector solve(RealVector b) throws java.lang.IllegalArgumentException, InvalidMatrixException
This method only find exact linear solutions, i.e. solutions for which ||A × X - B|| is exactly 0.
solve
in interface DecompositionSolver
b
- right-hand side of the equation A × X = B
java.lang.IllegalArgumentException
- if matrices dimensions don't match
InvalidMatrixException
- if decomposed matrix is singularpublic RealMatrix solve(RealMatrix b) throws java.lang.IllegalArgumentException, InvalidMatrixException
This method only find exact linear solutions, i.e. solutions for which ||A × X - B|| is exactly 0.
solve
in interface DecompositionSolver
b
- right-hand side of the equation A × X = B
java.lang.IllegalArgumentException
- if matrices dimensions don't match
InvalidMatrixException
- if decomposed matrix is singularpublic boolean isNonSingular()
isNonSingular
in interface DecompositionSolver
public RealMatrix getInverse() throws InvalidMatrixException
getInverse
in interface DecompositionSolver
InvalidMatrixException
- if decomposed matrix is singular
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