Example usage for org.apache.commons.math3.linear Array2DRowRealMatrix getSubMatrix

Introduction

In this page you can find the example usage for org.apache.commons.math3.linear Array2DRowRealMatrix getSubMatrix.

Prototype

public RealMatrix getSubMatrix(final int[] selectedRows, final int[] selectedColumns)
        throws NullArgumentException, NoDataException, OutOfRangeException 

Source Link

Usage

From source file:org.interpss.opf.dc.impl.EqIneqMatrixBuilder.java

private Array2DRowRealMatrix formReducedADWMatrix() {
    Array2DRowRealMatrix angleDiffWeight = formAngleDiffWeightMatrix();
    try {//from ww  w .j av a  2  s.  co m
        int[] selectedRows = this.getNonSwingBusRows();
        return (Array2DRowRealMatrix) angleDiffWeight.getSubMatrix(selectedRows, selectedRows);
    } catch (Exception e) {
        //e.printStackTrace();
        IpssLogger.getLogger().severe(e.toString());
    }
    return null;
}

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