Package net.fec.openrq.util.linearalgebra.matrix

Examples of net.fec.openrq.util.linearalgebra.matrix.ByteMatrix

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                                       {1, 0, 3},
                                       {0, 5, 0},
                                       {7, 0, 9}
        };

        ByteMatrix a = factory().createMatrix(array);

        assertEquals(3, a.rows());
        assertEquals(3, a.columns());

        for (int i = 0; i < 3; i++) {
            for (int j = 0; j < 3; j++) {
                assertEquals(array[i][j], a.get(i, j));
            }
        }
    }
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    }

    @Test
    public void testCreateConstantMatrix_3x3() {

        ByteMatrix a = factory().createConstantMatrix(3, 3, (byte)10);

        assertEquals(3, a.rows());
        assertEquals(3, a.columns());

        for (int i = 0; i < a.rows(); i++) {
            for (int j = 0; j < a.columns(); j++) {
                assertEquals(10, a.get(i, j));
            }
        }
    }
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    }

    @Test
    public void testCreateConstantMatrix_2x5() {

        ByteMatrix a = factory().createConstantMatrix(2, 5, (byte)20);

        assertEquals(2, a.rows());
        assertEquals(5, a.columns());

        for (int i = 0; i < a.rows(); i++) {
            for (int j = 0; j < a.columns(); j++) {
                assertEquals(20, a.get(i, j));
            }
        }
    }
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    }

    @Test
    public void testCreateConstantMatrix_4x1() {

        ByteMatrix a = factory().createConstantMatrix(4, 1, (byte)30);

        assertEquals(4, a.rows());
        assertEquals(1, a.columns());

        for (int i = 0; i < a.rows(); i++) {
            for (int j = 0; j < a.columns(); j++) {
                assertEquals(a.get(i, j), 30);
            }
        }
    }
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    }

    @Test
    public void testCreateRandomSymmetricMatrix() {

        ByteMatrix a = factory().createRandomSymmetricMatrix(5);

        for (int i = 0; i < a.rows(); i++) {
            for (int j = i; j < a.columns(); j++) {
                assertEquals(a.get(i, j), a.get(j, i));
            }
        }
    }
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    }

    @Test
    public void testCreateIdentityMatrix() {

        ByteMatrix a = factory().createIdentityMatrix(3);

        assertEquals(3, a.rows());
        assertEquals(3, a.columns());

        for (int i = 0; i < 3; i++) {
            for (int j = 0; j < 3; j++) {
                if (i == j) {
                    assertEquals(1, a.get(i, j));
                }
                else {
                    assertEquals(0, a.get(i, j));
                }
            }
        }
    }
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Related Classes of net.fec.openrq.util.linearalgebra.matrix.ByteMatrix

  • net.fec.openrq.ArraySourceBlockDecoder
  • net.fec.openrq.ArraySourceBlockEncoder
  • net.fec.openrq.ISDOps$MatrixVectorMultiplication
  • net.fec.openrq.ISDOps$ReduceMatrixToRowEchelon
  • net.fec.openrq.LinearSystem
  • net.fec.openrq.util.linearalgebra.factory.AbstractFactoryTest
  • net.fec.openrq.util.linearalgebra.factory.CCSFactory
  • net.fec.openrq.util.linearalgebra.factory.CRSFactory
  • net.fec.openrq.util.linearalgebra.matrix.dense.AbstractBasicByteMatrix
  • net.fec.openrq.util.linearalgebra.matrix.source.MatrixSourcesTest
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