org.apache.commons.math3.linear
Class MatrixUtilsTest

java.lang.Object
  org.apache.commons.math3.linear.MatrixUtilsTest

public final class MatrixUtilsTest
extends Object

Test cases for the MatrixUtils class.

Version:

$Id: MatrixUtilsTest.java 1403587 2012-10-30 00:21:20Z erans $

testData

protected double[][] testData

nullMatrix

protected double[][] nullMatrix

row

protected double[] row

bigRow

protected BigDecimal[] bigRow

stringRow

protected String[] stringRow

fractionRow

protected Fraction[] fractionRow

rowMatrix

protected double[][] rowMatrix

bigRowMatrix

protected BigDecimal[][] bigRowMatrix

stringRowMatrix

protected String[][] stringRowMatrix

fractionRowMatrix

protected Fraction[][] fractionRowMatrix

col

protected double[] col

bigCol

protected BigDecimal[] bigCol

stringCol

protected String[] stringCol

fractionCol

protected Fraction[] fractionCol

nullDoubleArray

protected double[] nullDoubleArray

colMatrix

protected double[][] colMatrix

bigColMatrix

protected BigDecimal[][] bigColMatrix

stringColMatrix

protected String[][] stringColMatrix

fractionColMatrix

protected Fraction[][] fractionColMatrix

MatrixUtilsTest

public MatrixUtilsTest()

testCreateRealMatrix

public void testCreateRealMatrix()

testcreateFieldMatrix

public void testcreateFieldMatrix()

testCreateRowRealMatrix

public void testCreateRowRealMatrix()

testCreateRowFieldMatrix

public void testCreateRowFieldMatrix()

testCreateColumnRealMatrix

public void testCreateColumnRealMatrix()

testCreateColumnFieldMatrix

public void testCreateColumnFieldMatrix()

checkIdentityMatrix

protected void checkIdentityMatrix(RealMatrix m)

Verifies that the matrix is an identity matrix

testCreateIdentityMatrix

public void testCreateIdentityMatrix()

checkIdentityFieldMatrix

protected void checkIdentityFieldMatrix(FieldMatrix<Fraction> m)

Verifies that the matrix is an identity matrix

testcreateFieldIdentityMatrix

public void testcreateFieldIdentityMatrix()

testBigFractionConverter

public void testBigFractionConverter()

testFractionConverter

public void testFractionConverter()

asFraction

public static final Fraction[][] asFraction(double[][] data)

asFraction

public static final Fraction[] asFraction(double[] data)

testSolveLowerTriangularSystem

public void testSolveLowerTriangularSystem()

testSolveUpperTriangularSystem

public void testSolveUpperTriangularSystem()

testBlockInverse

public void testBlockInverse()

This test should probably be replaced by one that could show whether this algorithm can sometimes perform better (precision- or performance-wise) than the direct inversion of the whole matrix.

testIsSymmetric

public void testIsSymmetric()

testIsSymmetricTolerance

public void testIsSymmetricTolerance()

testCheckSymmetric1

public void testCheckSymmetric1()

testCheckSymmetric2

public void testCheckSymmetric2()