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

Introduction

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

Prototype

public Array2DRowRealMatrix(final double[][] d, final boolean copyArray)
        throws DimensionMismatchException, NoDataException, NullArgumentException

Source Link

Document

Create a new RealMatrix using the input array as the underlying data array.

Usage

From source file:com.clust4j.utils.MatTests.java

@Test(expected = DimensionMismatchException.class)
public void testDimCheckDME1() {
    Array2DRowRealMatrix matrix1 = new Array2DRowRealMatrix(new double[5][2], false);
    Array2DRowRealMatrix matrix2 = new Array2DRowRealMatrix(new double[4][2], false);
    MatUtils.checkDims(matrix1, matrix2);
}

From source file:com.clust4j.utils.MatTests.java

@Test(expected = DimensionMismatchException.class)
public void testDimCheckDME2() {
    Array2DRowRealMatrix matrix1 = new Array2DRowRealMatrix(new double[5][2], false);
    Array2DRowRealMatrix matrix2 = new Array2DRowRealMatrix(new double[5][3], false);
    MatUtils.checkDims(matrix1, matrix2);
}

From source file:com.clust4j.algo.HDBSCANTests.java

@Test
public void testPredict() {
    HDBSCAN d = new HDBSCANParameters().fitNewModel(iris);

    /*//from w w  w.j a va 2 s .  c  o m
     * Test for dim mismatch
     */
    Array2DRowRealMatrix newData = new Array2DRowRealMatrix(
            new double[][] { new double[] { 150, 150, 150, 150, 150 } }, false);
    boolean a = false;
    try {
        d.predict(newData);
    } catch (DimensionMismatchException dim) {
        a = true;
    } finally {
        assertTrue(a);
    }

    /*
     * Ensure unsupportedOperation
     */
    newData = new Array2DRowRealMatrix(new double[][] { new double[] { 150, 150, 150, 150 } }, false);
    a = false;
    try {
        d.predict(newData);
    } catch (UnsupportedOperationException u) {
        a = true;
    } finally {
        assertTrue(a);
    }
}