|
||||||||||
PREV CLASS NEXT CLASS | FRAMES NO FRAMES | |||||||||
SUMMARY: NESTED | FIELD | CONSTR | METHOD | DETAIL: FIELD | CONSTR | METHOD |
java.lang.Objectno.uib.cipr.matrix.SymmBandEVD
public class SymmBandEVD
Computes eigenvalues of symmetrical, banded matrices
Constructor Summary | |
---|---|
SymmBandEVD(int n,
boolean upper)
Sets up an eigenvalue decomposition for symmetrical, banded matrices. |
|
SymmBandEVD(int n,
boolean upper,
boolean vectors)
Sets up an eigenvalue decomposition for symmetrical, banded matrices |
Method Summary | |
---|---|
SymmBandEVD |
factor(LowerSymmBandMatrix A)
Computes the eigenvalue decomposition of the given matrix |
SymmBandEVD |
factor(UpperSymmBandMatrix A)
Computes the eigenvalue decomposition of the given matrix |
static SymmBandEVD |
factorize(Matrix A,
int kd)
Convenience method for computing the full eigenvalue decomposition of the given matrix |
double[] |
getEigenvalues()
Gets the eigenvalues (stored in ascending order) |
DenseMatrix |
getEigenvectors()
Gets the eigenvectors, if available |
boolean |
hasEigenvectors()
True if the eigenvectors have been computed |
Methods inherited from class java.lang.Object |
---|
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
---|
public SymmBandEVD(int n, boolean upper)
n
- Size of the matrixupper
- True if the upper part of the matrix is stored, and false if
the lower part of the matrix is stored insteadpublic SymmBandEVD(int n, boolean upper, boolean vectors)
n
- Size of the matrixupper
- True if the upper part of the matrix is stored, and false if
the lower part of the matrix is stored insteadvectors
- True to compute the eigenvectors, false for just the
eigenvaluesMethod Detail |
---|
public static SymmBandEVD factorize(Matrix A, int kd) throws NotConvergedException
A
- Matrix to factorize. The upper triangular part is extracted,
and the matrix is not modifiedkd
- Number of diagonals to extract
NotConvergedException
public SymmBandEVD factor(LowerSymmBandMatrix A) throws NotConvergedException
A
- Matrix to factorize. Overwritten on return
NotConvergedException
public SymmBandEVD factor(UpperSymmBandMatrix A) throws NotConvergedException
A
- Matrix to factorize. Overwritten on return
NotConvergedException
public double[] getEigenvalues()
public DenseMatrix getEigenvectors()
public boolean hasEigenvectors()
|
||||||||||
PREV CLASS NEXT CLASS | FRAMES NO FRAMES | |||||||||
SUMMARY: NESTED | FIELD | CONSTR | METHOD | DETAIL: FIELD | CONSTR | METHOD |