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

Introduction

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

Prototype

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

Source Link

Document

Gets a submatrix.

Usage

From source file:lirmm.inria.fr.math.BigSparseRealMatrixTest.java

private void checkGetSubMatrix(RealMatrix m, double[][] reference, int[] selectedRows, int[] selectedColumns,
        boolean mustFail) {
    try {//from  w  w  w  .j  ava2  s .co m
        RealMatrix sub = m.getSubMatrix(selectedRows, selectedColumns);
        Assert.assertEquals(new BigSparseRealMatrix(reference), sub);
        if (mustFail) {
            Assert.fail("Expecting OutOfRangeException or NumberIsTooSmallException or NoDataException");
        }
    } catch (OutOfRangeException e) {
        if (!mustFail) {
            throw e;
        }
    } catch (NumberIsTooSmallException e) {
        if (!mustFail) {
            throw e;
        }
    } catch (NoDataException e) {
        if (!mustFail) {
            throw e;
        }
    }
}

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