Package org.apache.mahout.math.matrix.impl

Examples of org.apache.mahout.math.matrix.impl.DenseDoubleMatrix2D

55
56
57
58
59
60
61
62
63
64
65
    @Test
    public void testComputeOrthogonalityIdenticalColumns()
    {
        /** A matrix with identical columns */
        DoubleMatrix2D identical = new DenseDoubleMatrix2D(new double [] []
        {
            {
                0.00, 0.00, 0.00
            },
            {
View Full Code Here
199
200
201
202
203
204
205
206
    }

    @Test
    public void testMinSparseness()
    {
        final DoubleMatrix2D sparse = new DenseDoubleMatrix2D(2, 2);
        assertThat(MatrixUtils.computeSparseness(sparse)).isEqualTo(0);
    }
View Full Code Here
206
207
208
209
210
211
212
213
214
    }

    @Test
    public void testMaxSparseness()
    {
        final DoubleMatrix2D sparse = new DenseDoubleMatrix2D(2, 2);
        sparse.assign(3);
        assertThat(MatrixUtils.computeSparseness(sparse)).isEqualTo(1);
    }
View Full Code Here
214
215
216
217
218
219
220
221
222
223
224
    }

    @Test
    public void frobeniusNorm()
    {
        assertThat(MatrixUtils.frobeniusNorm(new DenseDoubleMatrix2D(new double [] []
        {
            {
                1, -1
            },
            {
View Full Code Here
228
229
230
231
232
233
234
235
236
237
238
    }

    @Test
    public void sortedRowsView()
    {
        final DenseDoubleMatrix2D input = new DenseDoubleMatrix2D(new double [] []
        {
            {
                1, -1
            },
            {
View Full Code Here
268
269
270
271
272
273
274
275
276
277
278
    /**
     *
     */
    private DoubleMatrix2D nonZeroColumnMatrix()
    {
        return new DenseDoubleMatrix2D(new double [] []
        {
            {
                -1.00, 0.00, 2.00, 10.00
            },
            {
View Full Code Here
287
288
289
290
291
292
293
294
295
296
297
    /**
     *
     */
    private DoubleMatrix2D zeroColumnMatrix()
    {
        return new DenseDoubleMatrix2D(new double [] []
        {
            {
                0.00, 0.00, 0.00, -7.00
            },
            {
View Full Code Here
85
86
87
88
89
90
91
92
93
94
95
    {
        final VectorSpaceModelContext vsmContext = context.vsmContext;
        if (vsmContext.termDocumentMatrix.columns() == 0
            || vsmContext.termDocumentMatrix.rows() == 0)
        {
            context.baseMatrix = new DenseDoubleMatrix2D(
                vsmContext.termDocumentMatrix.rows(),
                vsmContext.termDocumentMatrix.columns());
            return;
        }
View Full Code Here
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
        factory.setK(2);

        PartialSingularValueDecomposition factorization = (PartialSingularValueDecomposition) factory
            .factorize(A);

        DoubleMatrix2D expectedU = new DenseDoubleMatrix2D(new double [] []
        {
            {
                0, 0.752646
            },
            {
                -0.651927, 0
            },
            {
                -0.651927, 0
            },
            {
                -0.387277, 0
            },
            {
                0, 0.658425
            }
        });

        DoubleMatrix2D expectedV = new DenseDoubleMatrix2D(new double [] []
        {
            {
                -0.557873, 0
            },
            {
View Full Code Here
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
    }

    @Test
    public void testUnorderedNMFED()
    {
        DoubleMatrix2D expectedU = new DenseDoubleMatrix2D(new double [] []
        {
            {
                6.1201e-011, 0.99592
            },
            {
                1.3886, 6.9024e-070
            },
            {
                1.3886, 8.2856e-070
            },
            {
                0.82488, 7.4263e-066
            },
            {
                5.8999e-011, 0.87124
            }
        });

        DoubleMatrix2D expectedV = new DenseDoubleMatrix2D(new double [] []
        {
            {
                0.43087, 1.0265e-069
            },
            {
View Full Code Here
TOP

Related Classes of org.apache.mahout.math.matrix.impl.DenseDoubleMatrix2D

  • org.apache.mahout.math.AIOOBInSortingTest
  • org.apache.mahout.math.decomposer.lanczos.LanczosSolver
  • org.apache.mahout.math.matrix.doublealgo.Statistic
  • org.apache.mahout.math.matrix.DoubleFactory2D
  • org.apache.mahout.math.matrix.DoubleMatrix2D
  • org.apache.mahout.math.matrix.linalg.EigenvalueDecomposition
  • org.carrot2.clustering.kmeans.BisectingKMeansClusteringAlgorithm
  • org.carrot2.matrix.factorization.KMeansMatrixFactorization
  • org.carrot2.matrix.factorization.LocalNonnegativeMatrixFactorization
  • org.carrot2.matrix.factorization.MatrixFactorizationTest
    • Copyright © 2018 www.massapicom. All rights reserved.
    All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.