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java.lang.Objectorg.apache.mahout.math.matrix.linalg.CholeskyDecomposition
@Deprecated public class CholeskyDecomposition
Constructor Summary | |
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CholeskyDecomposition(DoubleMatrix2D A)
Deprecated. Constructs and returns a new Cholesky decomposition object for a symmetric and positive definite matrix; The decomposed matrices can be retrieved via instance methods of the returned decomposition object. |
Method Summary | |
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DoubleMatrix2D |
getL()
Deprecated. Returns the triangular factor, L. |
boolean |
isSymmetricPositiveDefinite()
Deprecated. Returns whether the matrix A is symmetric and positive definite. |
DoubleMatrix2D |
solve(DoubleMatrix2D B)
Deprecated. Solves A*X = B; returns X. |
java.lang.String |
toString()
Deprecated. Returns a String with (propertyName, propertyValue) pairs. |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait |
Constructor Detail |
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public CholeskyDecomposition(DoubleMatrix2D A)
A
- Square, symmetric matrix.
java.lang.IllegalArgumentException
- if A is not square.Method Detail |
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public DoubleMatrix2D getL()
public boolean isSymmetricPositiveDefinite()
public DoubleMatrix2D solve(DoubleMatrix2D B)
B
- A Matrix with as many rows as A and any number of columns.
java.lang.IllegalArgumentException
- if B.rows() != A.rows().
java.lang.IllegalArgumentException
- if !isSymmetricPositiveDefinite().public java.lang.String toString()
rank : 3 trace : 0
toString
in class java.lang.Object
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