Example usage for org.apache.commons.math.linear LUDecomposition getP

Introduction

In this page you can find the example usage for org.apache.commons.math.linear LUDecomposition getP.

Prototype

RealMatrix getP();

Source Link

Document

Returns the P rows permutation matrix.

Usage

From source file:com.opengamma.analytics.math.linearalgebra.LUDecompositionCommonsResult.java

/**
 * @param lu The result of the LU decomposition, not null. $\mathbf{L}$ cannot be singular.
 *///from  ww w.  j  a  v  a 2 s . co  m
public LUDecompositionCommonsResult(final LUDecomposition lu) {
    Validate.notNull(lu, "LU decomposition");
    Validate.notNull(lu.getL(), "Matrix is singular; could not perform LU decomposition");
    _determinant = lu.getDeterminant();
    _l = CommonsMathWrapper.unwrap(lu.getL());
    _p = CommonsMathWrapper.unwrap(lu.getP());
    _pivot = lu.getPivot();
    _solver = lu.getSolver();
    _u = CommonsMathWrapper.unwrap(lu.getU());
}

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