/*******************************************************************************
* Copyright (c) 2010 Haifeng Li
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*******************************************************************************/
package smile.manifold;
import smile.data.parser.DelimitedTextParser;
import smile.data.AttributeDataset;
import org.junit.After;
import org.junit.AfterClass;
import org.junit.Before;
import org.junit.BeforeClass;
import org.junit.Test;
import smile.math.Math;
import smile.math.matrix.Matrix;
import static org.junit.Assert.*;
/**
*
* @author Haifeng Li
*/
public class LaplacianEigenmapTest {
AttributeDataset swissroll;
public LaplacianEigenmapTest() {
DelimitedTextParser parser = new DelimitedTextParser();
parser.setDelimiter("\t");
try {
swissroll = parser.parse("Swissroll", smile.data.parser.IOUtils.getTestDataFile("manifold/swissroll.txt"));
} catch (Exception e) {
System.err.println(e);
}
}
@BeforeClass
public static void setUpClass() throws Exception {
}
@AfterClass
public static void tearDownClass() throws Exception {
}
@Before
public void setUp() {
}
@After
public void tearDown() {
}
/**
* Test of learn method, of class LaplacianEigenmap.
*/
@Test
public void testLearn() {
System.out.println("learn");
double[][] points = {
{ 0.0150, 0.0125},
{-0.0186, 0.0120},
{ 0.0434, -0.0024},
{ 0.0332, 0.0175},
{-0.0110, 0.0075},
{ 0.0096, 0.0215},
{-0.0201, 0.0163},
{ 0.0347, -0.0175},
{ 0.0075, -0.0239},
{ 0.0388, -0.0354},
{ 0.0410, 0.0466},
{-0.0329, -0.0094},
{ 0.0344, 0.0499},
{-0.0411, 0.0123},
{-0.0317, 0.0254},
{-0.0198, -0.0092},
{-0.0339, 0.0222},
{ 0.0358, -0.0073},
{-0.0433, -0.0106},
{-0.0459, 0.0274},
{-0.0035, -0.0188},
{-0.0459, 0.0287},
{-0.0468, 0.0341},
{-0.0233, -0.0168},
{ 0.0232, 0.0137},
{ 0.0395, 0.0569},
{-0.0222, -0.0397},
{-0.0260, 0.0221},
{-0.0211, 0.0034},
{ 0.0325, 0.0457},
{ 0.0298, 0.0372},
{ 0.0318, 0.0088},
{-0.0187, 0.0100},
{ 0.0344, 0.0231},
{-0.0448, 0.0048},
{ 0.0399, -0.0331},
{ 0.0297, -0.0421},
{ 0.0237, -0.0391},
{ 0.0236, 0.0319},
{-0.0305, -0.0312},
{-0.0011, -0.0530},
{-0.0031, -0.0328},
{-0.0399, 0.0122},
{ 0.0163, -0.0073},
{ 0.0369, -0.0367},
{-0.0053, -0.0444},
{ 0.0041, -0.0282},
{-0.0471, 0.0332},
{ 0.0239, 0.0114},
{-0.0456, 0.0233},
{-0.0221, -0.0025},
{-0.0126, -0.0112},
{ 0.0162, -0.0391},
{-0.0400, 0.0106},
{ 0.0137, -0.0044},
{-0.0213, -0.0254},
{ 0.0244, 0.0356},
{ 0.0393, 0.0599},
{ 0.0205, 0.0265},
{-0.0312, -0.0071},
{-0.0104, -0.0502},
{-0.0466, 0.0285},
{-0.0474, 0.0279},
{-0.0254, -0.0141},
{-0.0171, 0.0062},
{ 0.0275, -0.0473},
{-0.0474, 0.0324},
{ 0.0383, -0.0383},
{ 0.0252, -0.0480},
{ 0.0151, 0.0188},
{-0.0111, 0.0162},
{ 0.0016, 0.0175},
{-0.0124, 0.0057},
{ 0.0408, 0.0443},
{ 0.0076, 0.0198},
{ 0.0426, 0.0116},
{ 0.0402, 0.0047},
{-0.0397, 0.0090},
{ 0.0373, -0.0348},
{-0.0413, -0.0140},
{ 0.0222, 0.0333},
{ 0.0307, -0.0142},
{ 0.0246, 0.0392},
{ 0.0162, -0.0391},
{-0.0036, -0.0344},
{ 0.0293, -0.0152},
{-0.0234, -0.0148},
{-0.0107, -0.0500},
{ 0.0366, -0.0171},
{ 0.0328, 0.0152},
{-0.0434, -0.0097},
{-0.0104, -0.0147},
{ 0.0333, 0.0215},
{ 0.0126, -0.0016},
{ 0.0427, 0.0014},
{ 0.0387, 0.0623},
{-0.0436, 0.0133},
{ 0.0238, -0.0413},
{-0.0470, 0.0341},
{ 0.0232, 0.0292},
{ 0.0431, -0.0006},
{-0.0101, -0.0440},
{-0.0474, 0.0334},
{-0.0250, 0.0221},
{-0.0415, 0.0266},
{-0.0313, 0.0250},
{-0.0180, 0.0135},
{ 0.0230, -0.0442},
{ 0.0383, -0.0351},
{-0.0238, 0.0041},
{-0.0305, -0.0073},
{ 0.0445, 0.0120},
{-0.0053, -0.0403},
{ 0.0317, -0.0088},
{ 0.0141, 0.0115},
{-0.0139, -0.0423},
{ 0.0075, 0.0228},
{-0.0250, -0.0302},
{ 0.0283, -0.0154},
{ 0.0398, -0.0305},
{ 0.0313, -0.0405},
{ 0.0389, -0.0393},
{ 0.0295, 0.0363},
{ 0.0248, 0.0392},
{-0.0053, -0.0403},
{-0.0073, 0.0069},
{ 0.0214, -0.0229},
{ 0.0174, 0.0216},
{ 0.0400, 0.0365},
{-0.0423, -0.0093},
{ 0.0218, 0.0357},
{ 0.0442, 0.0818},
{ 0.0032, -0.0487},
{ 0.0215, 0.0354},
{ 0.0153, -0.0053},
{ 0.0311, 0.0359},
{ 0.0396, -0.0388},
{ 0.0415, -0.0228},
{-0.0250, -0.0295},
{ 0.0409, -0.0324},
{-0.0036, -0.0397},
{-0.0421, 0.0267},
{-0.0425, -0.0094},
{ 0.0064, 0.0225},
{ 0.0174, -0.0500},
{-0.0476, 0.0343},
{-0.0071, 0.0036},
{-0.0252, -0.0359},
{ 0.0097, -0.0494},
{ 0.0408, 0.0008},
{-0.0449, 0.0130},
{ 0.0177, -0.0382},
{ 0.0444, 0.0093},
{ 0.0131, 0.0213},
{ 0.0267, -0.0177},
{-0.0361, 0.0202},
{ 0.0362, -0.0029},
{ 0.0255, 0.0399},
{ 0.0394, -0.0329},
{-0.0007, 0.0058},
{-0.0393, -0.0003},
{ 0.0395, -0.0390},
{-0.0454, 0.0200},
{ 0.0228, 0.0327},
{ 0.0242, 0.0388},
{-0.0181, 0.0130},
{ 0.0214, 0.0165},
{-0.0432, -0.0068},
{-0.0293, -0.0072},
{ 0.0402, 0.0678},
{-0.0365, -0.0221},
{-0.0079, 0.0138},
{-0.0315, 0.0250},
{-0.0404, -0.0125},
{ 0.0399, 0.0023},
{ 0.0379, -0.0080},
{ 0.0049, 0.0175},
{ 0.0042, -0.0505},
{-0.0367, 0.0192},
{ 0.0050, 0.0185},
{-0.0110, 0.0056},
{-0.0348, -0.0109},
{-0.0031, -0.0375},
{ 0.0215, 0.0325},
{ 0.0189, -0.0132},
{ 0.0356, 0.0311},
{-0.0194, -0.0408},
{ 0.0436, -0.0013},
{-0.0436, -0.0052},
{-0.0319, -0.0294},
{ 0.0415, 0.0459},
{ 0.0010, -0.0093},
{ 0.0287, 0.0315},
{-0.0305, -0.0312},
{ 0.0385, 0.0605},
{ 0.0368, -0.0238},
{ 0.0421, 0.0585},
{ 0.0117, 0.0191},
{ 0.0033, 0.0157},
{ 0.0242, 0.0386},
{ 0.0259, 0.0394},
{-0.0434, 0.0327},
{ 0.0133, -0.0003},
{-0.0484, 0.0344},
{ 0.0409, -0.0324},
{ 0.0390, -0.0346},
{-0.0013, -0.0159},
{-0.0228, -0.0345},
{ 0.0006, 0.0173},
{-0.0210, -0.0406},
{-0.0232, -0.0159},
{-0.0473, 0.0265},
{-0.0326, -0.0116},
{-0.0470, 0.0251},
{ 0.0352, -0.0346},
{-0.0436, -0.0086},
{-0.0286, -0.0238},
{-0.0270, 0.0082},
{-0.0423, -0.0130},
{ 0.0386, -0.0279},
{ 0.0009, -0.0528},
{ 0.0446, 0.0161},
{ 0.0058, -0.0265},
{ 0.0447, 0.0149},
{ 0.0036, -0.0519},
{-0.0026, -0.0400},
{ 0.0432, -0.0053},
{-0.0463, 0.0282},
{-0.0390, 0.0276},
{ 0.0236, -0.0461},
{ 0.0091, -0.0480},
{-0.0013, 0.0188},
{ 0.0179, -0.0386},
{ 0.0439, 0.0077},
{ 0.0408, 0.0697},
{ 0.0400, 0.0022},
{ 0.0238, -0.0486},
{ 0.0313, -0.0441},
{-0.0367, -0.0097},
{ 0.0332, 0.0429},
{ 0.0162, -0.0067},
{ 0.0436, -0.0002},
{ 0.0351, 0.0294},
{ 0.0169, -0.0026},
{-0.0338, 0.0192},
{ 0.0427, 0.0014},
{-0.0405, 0.0229},
{-0.0226, -0.0014},
{ 0.0400, 0.0591},
{-0.0448, 0.0337},
{ 0.0410, 0.0616},
{ 0.0055, 0.0178},
{-0.0044, -0.0130},
{-0.0437, -0.0076},
{-0.0455, 0.0337},
{ 0.0263, -0.0471},
{-0.0182, -0.0421},
{-0.0452, 0.0200},
{ 0.0020, 0.0168},
{-0.0470, 0.0304},
{ 0.0390, 0.0007},
{ 0.0433, -0.0030},
{-0.0189, -0.0432},
{-0.0463, 0.0275},
{ 0.0342, -0.0380},
{ 0.0154, 0.0001},
{-0.0427, -0.0086},
{ 0.0408, 0.0697},
{-0.0289, -0.0328},
{-0.0358, 0.0195},
{ 0.0060, 0.0223},
{ 0.0391, -0.0299},
{-0.0483, 0.0338},
{ 0.0409, -0.0324},
{ 0.0345, -0.0377},
{ 0.0393, -0.0390},
{ 0.0061, -0.0046},
{-0.0255, -0.0295},
{-0.0232, -0.0265},
{-0.0436, -0.0016},
{ 0.0142, 0.0010},
{ 0.0424, 0.0638},
{-0.0316, -0.0075},
{ 0.0283, 0.0166},
{-0.0203, -0.0076},
{-0.0476, 0.0318},
{ 0.0246, 0.0124},
{ 0.0402, 0.0677},
{ 0.0248, 0.0148},
{ 0.0204, 0.0342},
{ 0.0213, -0.0221},
{-0.0159, 0.0056},
{-0.0383, -0.0081},
{ 0.0027, -0.0489},
{-0.0158, -0.0110},
{ 0.0156, 0.0255},
{-0.0086, -0.0099},
{-0.0344, 0.0197},
{ 0.0215, 0.0354},
{ 0.0312, 0.0416},
{-0.0281, 0.0236},
{ 0.0270, -0.0469},
{ 0.0118, -0.0134},
{-0.0302, 0.0247},
{ 0.0039, 0.0214},
{-0.0459, 0.0265},
{-0.0397, -0.0128},
{-0.0452, 0.0339},
{ 0.0376, -0.0308},
{ 0.0098, 0.0199},
{ 0.0110, 0.0150},
{ 0.0238, 0.0384},
{-0.0101, -0.0504},
{-0.0405, 0.0231},
{ 0.0446, 0.0141},
{ 0.0046, -0.0315},
{ 0.0273, -0.0475},
{ 0.0263, 0.0328},
{-0.0381, -0.0007},
{ 0.0359, -0.0135},
{ 0.0054, -0.0324},
{ 0.0189, -0.0399},
{-0.0424, -0.0100},
{ 0.0128, 0.0257},
{ 0.0166, 0.0235},
{ 0.0355, -0.0117},
{-0.0327, 0.0258},
{-0.0453, 0.0210},
{ 0.0268, 0.0374},
{-0.0309, -0.0307},
{ 0.0067, -0.0512},
{-0.0432, -0.0064},
{ 0.0404, -0.0283},
{ 0.0329, 0.0460},
{-0.0083, -0.0509},
{ 0.0398, -0.0301},
{-0.0105, -0.0427},
{-0.0188, -0.0119},
{-0.0443, -0.0005},
{ 0.0212, -0.0487},
{-0.0318, 0.0247},
{-0.0452, 0.0242},
{ 0.0004, -0.0417},
{ 0.0339, 0.0292},
{ 0.0387, -0.0392},
{ 0.0146, 0.0092},
{-0.0087, -0.0511},
{ 0.0217, -0.0471},
{-0.0223, -0.0202},
{ 0.0033, -0.0492},
{-0.0061, -0.0500},
{-0.0446, 0.0034},
{ 0.0342, -0.0406},
{-0.0119, -0.0437},
{ 0.0225, 0.0313},
{ 0.0443, 0.0825},
{ 0.0002, -0.0208},
{-0.0015, 0.0013},
{ 0.0247, 0.0340},
{ 0.0153, -0.0505},
{ 0.0248, -0.0448},
{-0.0470, 0.0284},
{-0.0136, 0.0059},
{-0.0008, -0.0239},
{-0.0319, -0.0078},
{-0.0298, -0.0320},
{-0.0042, -0.0391},
{-0.0467, 0.0343},
{-0.0457, 0.0225},
{-0.0465, 0.0294},
{-0.0483, 0.0344},
{ 0.0078, 0.0190},
{-0.0179, -0.0412},
{-0.0430, -0.0117},
{-0.0391, 0.0040},
{ 0.0013, 0.0166},
{ 0.0287, 0.0355},
{ 0.0277, -0.0432},
{ 0.0408, -0.0304},
{ 0.0335, -0.0378},
{ 0.0443, 0.0820},
{ 0.0128, -0.0068},
{ 0.0410, 0.0424},
{ 0.0198, -0.0493},
{-0.0202, 0.0073},
{ 0.0441, 0.0798},
{ 0.0118, 0.0188},
{-0.0408, 0.0214},
{ 0.0272, -0.0474},
{ 0.0342, 0.0304},
{-0.0284, -0.0334},
{ 0.0223, 0.0319},
{-0.0397, 0.0291},
{ 0.0440, 0.0048},
{ 0.0403, 0.0472},
{-0.0358, 0.0195},
{ 0.0294, -0.0183},
{-0.0024, 0.0011},
{ 0.0406, 0.0692},
{-0.0294, 0.0244},
{-0.0329, -0.0094},
{ 0.0100, 0.0234},
{ 0.0172, -0.0056},
{ 0.0371, -0.0213},
{ 0.0375, -0.0393},
{-0.0316, 0.0152},
{-0.0369, -0.0209},
{-0.0309, -0.0307},
{-0.0175, -0.0422},
{-0.0341, 0.0188},
{-0.0339, 0.0264},
{ 0.0289, 0.0067},
{-0.0408, 0.0004},
{-0.0086, -0.0509},
{ 0.0141, 0.0063},
{-0.0090, -0.0500},
{ 0.0377, -0.0391},
{-0.0446, 0.0330},
{ 0.0103, 0.0211},
{ 0.0282, -0.0134},
{-0.0140, -0.0386},
{-0.0410, 0.0044},
{ 0.0066, 0.0224},
{ 0.0308, 0.0039},
{ 0.0220, -0.0203},
{ 0.0398, 0.0662},
{-0.0112, -0.0428},
{-0.0337, -0.0266},
{-0.0071, -0.0079},
{-0.0071, -0.0062},
{ 0.0226, 0.0324},
{ 0.0383, -0.0372},
{-0.0477, 0.0322},
{-0.0391, -0.0156},
{ 0.0061, -0.0463},
{-0.0275, 0.0233},
{ 0.0202, -0.0295},
{-0.0439, -0.0059},
{-0.0089, -0.0509},
{-0.0175, 0.0183},
{-0.0102, -0.0497},
{-0.0484, 0.0344},
{-0.0329, 0.0254},
{ 0.0424, 0.0638},
{-0.0229, -0.0392},
{ 0.0447, 0.0153},
{-0.0250, -0.0304},
{-0.0011, -0.0496},
{ 0.0238, -0.0451},
{ 0.0409, -0.0320},
{ 0.0446, 0.0155},
{-0.0026, -0.0322},
{-0.0394, -0.0176},
{-0.0440, -0.0022},
{-0.0389, -0.0072},
{-0.0392, -0.0162},
{-0.0353, 0.0239},
{ 0.0213, -0.0221},
{-0.0227, -0.0164},
{ 0.0284, 0.0368},
{ 0.0412, -0.0233},
{ 0.0286, 0.0309},
{ 0.0225, 0.0332},
{-0.0167, -0.0452},
{-0.0302, -0.0072},
{-0.0244, -0.0067},
{ 0.0379, -0.0371},
{ 0.0217, -0.0241},
{-0.0161, 0.0157},
{-0.0328, -0.0280},
{ 0.0259, -0.0431},
{ 0.0397, -0.0388},
{ 0.0222, 0.0139},
{ 0.0235, -0.0416},
{ 0.0353, -0.0365},
{ 0.0408, 0.0473},
{-0.0011, -0.0009},
{ 0.0244, -0.0428},
{-0.0228, 0.0029},
{-0.0249, 0.0053},
{ 0.0294, 0.0352},
{-0.0395, -0.0096},
{ 0.0399, -0.0385},
{ 0.0007, -0.0035},
{-0.0089, -0.0089},
{ 0.0300, 0.0378},
{ 0.0442, 0.0819},
{-0.0405, 0.0123},
{ 0.0435, 0.0194},
{-0.0163, 0.0175},
{ 0.0291, 0.0371},
{ 0.0010, -0.0030},
{-0.0186, 0.0120},
{-0.0183, -0.0429},
{-0.0027, -0.0411},
{ 0.0075, 0.0220},
{-0.0376, 0.0000},
{-0.0361, 0.0192},
{ 0.0360, -0.0214},
{ 0.0217, -0.0490},
{-0.0412, -0.0026},
{-0.0430, -0.0115},
{ 0.0186, -0.0483},
{ 0.0016, -0.0234},
{ 0.0432, 0.0147},
{ 0.0422, 0.0642},
{ 0.0279, 0.0258},
{ 0.0442, 0.0168},
{ 0.0310, 0.0083},
{-0.0473, 0.0341},
{ 0.0193, 0.0017},
{ 0.0016, -0.0487},
{-0.0158, 0.0174},
{ 0.0195, -0.0497},
{ 0.0105, -0.0498},
{ 0.0015, -0.0533},
{-0.0404, -0.0161},
{-0.0428, -0.0122},
{ 0.0246, 0.0392},
{ 0.0343, 0.0270},
{ 0.0442, 0.0078},
{ 0.0235, 0.0138},
{ 0.0443, 0.0825},
{-0.0077, -0.0059},
{-0.0475, 0.0285},
{ 0.0289, -0.0464},
{-0.0446, 0.0272},
{-0.0301, -0.0080},
{-0.0430, 0.0253},
{-0.0356, -0.0236},
{ 0.0440, 0.0047},
{ 0.0132, -0.0489},
{-0.0386, 0.0283},
{ 0.0358, -0.0406},
{ 0.0398, -0.0287},
{-0.0435, 0.0112},
{ 0.0401, -0.0379},
{-0.0366, -0.0095},
{-0.0269, -0.0258},
{ 0.0063, -0.0247},
{-0.0452, 0.0115},
{-0.0243, 0.0031},
{-0.0437, -0.0078},
{-0.0229, -0.0253},
{ 0.0401, 0.0421},
{-0.0043, -0.0290},
{-0.0384, 0.0250},
{-0.0475, 0.0327},
{-0.0308, 0.0241},
{ 0.0396, -0.0381},
{-0.0165, -0.0106},
{-0.0431, 0.0124},
{ 0.0391, -0.0299},
{-0.0463, 0.0281},
{ 0.0282, -0.0134},
{-0.0480, 0.0320},
{-0.0385, -0.0184},
{-0.0482, 0.0344},
{-0.0162, 0.0178},
{-0.0476, 0.0292},
{ 0.0382, -0.0366},
{-0.0436, -0.0060},
{-0.0036, 0.0032},
{-0.0413, -0.0143},
{ 0.0414, 0.0183},
{-0.0465, 0.0274},
{ 0.0027, 0.0171},
{ 0.0025, 0.0141},
{ 0.0418, -0.0204},
{-0.0033, -0.0350},
{-0.0009, -0.0127},
{ 0.0256, -0.0390},
{ 0.0193, 0.0170},
{-0.0451, 0.0338},
{ 0.0438, 0.0795},
{ 0.0420, 0.0613},
{ 0.0344, -0.0355},
{-0.0346, -0.0093},
{ 0.0001, -0.0488},
{-0.0038, -0.0378},
{-0.0036, -0.0352},
{-0.0020, 0.0169},
{-0.0393, -0.0068},
{ 0.0335, -0.0423},
{ 0.0177, 0.0014},
{-0.0351, 0.0198},
{-0.0364, -0.0073},
{ 0.0023, 0.0202},
{-0.0235, -0.0383},
{ 0.0438, 0.0010},
{-0.0449, 0.0065},
{ 0.0174, -0.0377},
{-0.0066, -0.0097},
{ 0.0443, 0.0817},
{-0.0106, -0.0429},
{-0.0464, 0.0343},
{-0.0459, 0.0191},
{ 0.0053, 0.0220},
{ 0.0377, 0.0338},
{-0.0400, -0.0036},
{-0.0479, 0.0311},
{-0.0385, 0.0176},
{ 0.0438, 0.0114},
{-0.0469, 0.0315},
{-0.0288, 0.0240},
{ 0.0443, 0.0825},
{ 0.0223, 0.0310},
{-0.0065, -0.0466},
{ 0.0440, 0.0186},
{-0.0454, 0.0179},
{ 0.0345, -0.0412},
{-0.0227, -0.0383},
{ 0.0423, -0.0147},
{ 0.0431, -0.0063},
{-0.0370, -0.0088},
{ 0.0284, 0.0329},
{-0.0025, -0.0403},
{-0.0409, 0.0242},
{-0.0433, -0.0042},
{-0.0275, -0.0059},
{-0.0216, -0.0160},
{-0.0049, 0.0151},
{ 0.0096, -0.0183},
{ 0.0039, -0.0485},
{ 0.0045, -0.0527},
{ 0.0430, 0.0187},
{ 0.0362, -0.0083},
{-0.0241, 0.0026},
{-0.0445, 0.0092},
{ 0.0387, 0.0623},
{ 0.0023, -0.0532},
{-0.0362, 0.0190},
{-0.0246, -0.0321},
{ 0.0019, -0.0475},
{-0.0230, -0.0173},
{ 0.0402, -0.0307},
{ 0.0014, 0.0051},
{-0.0481, 0.0320},
{-0.0396, -0.0061},
{ 0.0149, -0.0020},
{ 0.0406, -0.0350},
{ 0.0004, -0.0175},
{-0.0329, 0.0254},
{-0.0257, -0.0287},
{ 0.0291, -0.0457},
{-0.0314, -0.0093},
{ 0.0414, 0.0476},
{ 0.0365, -0.0346},
{ 0.0443, 0.0819},
{ 0.0400, 0.0022},
{-0.0439, 0.0331},
{-0.0397, -0.0124},
{ 0.0143, 0.0270},
{-0.0429, -0.0118},
{ 0.0437, 0.0161},
{ 0.0307, 0.0047},
{-0.0178, 0.0178},
{-0.0438, -0.0045},
{ 0.0202, 0.0286},
{ 0.0362, -0.0080},
{-0.0446, 0.0336},
{ 0.0164, 0.0149},
{-0.0012, 0.0176},
{-0.0250, -0.0362},
{ 0.0286, -0.0439},
{ 0.0141, -0.0028},
{-0.0376, 0.0246},
{ 0.0006, 0.0182},
{ 0.0230, -0.0218},
{ 0.0394, 0.0630},
{ 0.0397, 0.0009},
{-0.0458, 0.0341},
{ 0.0097, 0.0233},
{-0.0064, -0.0016},
{ 0.0395, 0.0016},
{-0.0401, 0.0174},
{ 0.0442, 0.0817},
{-0.0115, -0.0424},
{-0.0225, -0.0188},
{ 0.0370, -0.0401},
{ 0.0424, -0.0137},
{-0.0483, 0.0344},
{ 0.0307, -0.0142},
{-0.0334, -0.0050},
{ 0.0405, 0.0688},
{ 0.0398, 0.0602},
{-0.0483, 0.0338},
{ 0.0030, -0.0351},
{-0.0430, -0.0117},
{ 0.0165, -0.0067},
{ 0.0425, 0.0698},
{ 0.0257, 0.0140},
{ 0.0357, -0.0093},
{-0.0399, -0.0166},
{ 0.0441, 0.0798},
{ 0.0299, 0.0390},
{ 0.0302, 0.0378},
{-0.0462, 0.0310},
{ 0.0397, 0.0013},
{ 0.0237, -0.0391},
{-0.0257, -0.0284},
{ 0.0138, -0.0081},
{ 0.0266, -0.0430},
{ 0.0112, 0.0194},
{ 0.0435, 0.0123},
{-0.0073, -0.0424},
{-0.0203, 0.0053},
{-0.0407, 0.0234},
{ 0.0408, -0.0283},
{ 0.0271, -0.0476},
{-0.0232, 0.0045},
{-0.0393, -0.0068},
{ 0.0313, 0.0456},
{-0.0044, 0.0009},
{ 0.0424, 0.0652},
{-0.0203, -0.0415},
{-0.0234, -0.0164},
{-0.0202, -0.0419},
{-0.0420, 0.0277},
{-0.0402, 0.0112},
{-0.0224, -0.0221},
{-0.0091, -0.0438},
{ 0.0183, -0.0440},
{-0.0061, -0.0517},
{-0.0421, -0.0112},
{ 0.0292, 0.0180},
{ 0.0228, 0.0370},
{ 0.0288, -0.0428},
{ 0.0381, -0.0320},
{-0.0130, -0.0484},
{-0.0313, 0.0250},
{-0.0224, -0.0054},
{ 0.0395, 0.0601},
{-0.0117, -0.0431},
{-0.0484, 0.0344},
{ 0.0297, 0.0111},
{-0.0432, -0.0113},
{ 0.0395, -0.0390},
{-0.0383, -0.0095},
{ 0.0250, 0.0110},
{ 0.0012, -0.0532},
{-0.0266, 0.0225},
{ 0.0191, -0.0413},
{ 0.0267, 0.0318},
{-0.0463, 0.0283},
{-0.0466, 0.0286},
{ 0.0220, 0.0349},
{-0.0131, 0.0056},
{ 0.0366, 0.0536},
{ 0.0446, 0.0160},
{ 0.0442, 0.0816},
{ 0.0437, 0.0161},
{ 0.0045, -0.0413},
{-0.0425, 0.0083},
{ 0.0141, 0.0115},
{-0.0175, 0.0185},
{-0.0315, -0.0075},
{-0.0008, -0.0187},
{ 0.0283, -0.0470},
{ 0.0265, -0.0150},
{ 0.0265, 0.0101},
{ 0.0284, -0.0468},
{ 0.0031, -0.0243},
{ 0.0175, -0.0500},
{ 0.0362, -0.0117},
{-0.0378, 0.0282},
{-0.0438, -0.0062},
{-0.0329, 0.0171},
{-0.0437, -0.0056},
{ 0.0130, 0.0158},
{ 0.0057, -0.0491},
{ 0.0402, -0.0371},
{ 0.0442, 0.0078},
{ 0.0436, 0.0788},
{-0.0042, 0.0166},
{-0.0423, -0.0095},
{-0.0456, 0.0208},
{ 0.0351, -0.0304},
{ 0.0241, -0.0441},
{ 0.0445, 0.0163},
{-0.0035, -0.0339},
{ 0.0361, 0.0553},
{ 0.0401, -0.0379},
{-0.0446, 0.0336},
{-0.0449, 0.0202},
{ 0.0294, 0.0347},
{ 0.0353, -0.0072},
{ 0.0339, -0.0068},
{-0.0478, 0.0304},
{-0.0430, 0.0141},
{ 0.0285, 0.0331},
{-0.0311, -0.0075},
{-0.0341, 0.0174},
{-0.0200, -0.0407},
{ 0.0354, -0.0274},
{-0.0120, 0.0057},
{-0.0025, -0.0157},
{-0.0391, 0.0253},
{ 0.0223, 0.0308},
{ 0.0042, -0.0296},
{-0.0015, -0.0481},
{ 0.0111, -0.0499},
{-0.0019, 0.0026},
{ 0.0349, -0.0353},
{-0.0402, -0.0036},
{-0.0451, 0.0087},
{ 0.0430, 0.0023},
{-0.0005, -0.0000},
{-0.0250, -0.0284},
{-0.0346, 0.0206},
{-0.0008, -0.0531},
{ 0.0218, -0.0484},
{-0.0450, 0.0077},
{-0.0362, -0.0070},
{-0.0406, 0.0221},
{ 0.0069, -0.0466},
{ 0.0318, 0.0014},
{-0.0042, -0.0383},
{ 0.0087, 0.0235},
{-0.0037, -0.0407},
{-0.0372, 0.0013},
{-0.0394, 0.0261},
{-0.0358, -0.0093},
{ 0.0226, 0.0369},
{ 0.0020, -0.0533},
{ 0.0358, -0.0406},
{ 0.0216, 0.0346},
{ 0.0400, 0.0365},
{ 0.0178, -0.0397},
{-0.0346, -0.0093},
{-0.0403, 0.0253},
{-0.0394, 0.0078},
{ 0.0109, 0.0182},
{ 0.0276, 0.0218},
{-0.0029, -0.0483},
{-0.0459, 0.0341},
{-0.0354, -0.0117},
{-0.0403, 0.0272},
{-0.0349, 0.0268},
{-0.0475, 0.0320},
{ 0.0217, 0.0127},
{ 0.0348, -0.0385},
{ 0.0422, 0.0642},
{ 0.0001, -0.0488},
{-0.0004, -0.0032},
{ 0.0360, -0.0197},
{ 0.0405, 0.0688},
{-0.0294, 0.0242},
{ 0.0089, -0.0244},
{-0.0322, -0.0086},
{-0.0018, -0.0397},
{-0.0007, 0.0170},
{ 0.0312, 0.0147},
{-0.0325, -0.0063},
{ 0.0446, 0.0139},
{ 0.0411, -0.0304},
{-0.0476, 0.0303},
{ 0.0048, -0.0264},
{-0.0401, 0.0105},
{-0.0402, 0.0108},
{-0.0408, 0.0004},
{-0.0136, 0.0066},
{-0.0182, -0.0421},
{ 0.0246, 0.0390},
{-0.0237, -0.0022},
{-0.0152, -0.0115},
{-0.0362, 0.0229},
{ 0.0408, 0.0473},
{ 0.0171, -0.0387},
{-0.0439, -0.0057},
{-0.0224, -0.0102},
{-0.0435, -0.0092},
{ 0.0236, 0.0099},
{-0.0230, 0.0024},
{-0.0137, -0.0479},
{ 0.0233, -0.0476},
{ 0.0440, 0.0047},
{-0.0107, -0.0460},
{ 0.0430, -0.0069},
{ 0.0228, -0.0293},
{-0.0455, 0.0222},
{ 0.0380, 0.0588},
{ 0.0018, -0.0262},
{ 0.0341, 0.0117},
{ 0.0311, 0.0407},
{-0.0459, 0.0170},
{ 0.0409, -0.0333},
{-0.0442, 0.0161},
{-0.0407, 0.0266},
{-0.0463, 0.0272},
{-0.0091, 0.0030},
{-0.0400, 0.0213},
{ 0.0446, 0.0155},
{ 0.0427, 0.0014},
{ 0.0119, 0.0231},
{ 0.0218, -0.0391},
{ 0.0406, 0.0542},
{-0.0471, 0.0331},
{-0.0240, -0.0027},
{-0.0150, -0.0430},
{-0.0465, 0.0296},
{ 0.0401, -0.0379},
{-0.0451, 0.0099},
{ 0.0152, -0.0007},
{-0.0036, 0.0032},
{ 0.0190, -0.0406},
{-0.0481, 0.0324},
{ 0.0345, 0.0313},
{-0.0450, 0.0338},
{ 0.0286, -0.0024},
{ 0.0033, -0.0527},
{ 0.0398, -0.0284},
{ 0.0423, 0.0342},
{ 0.0247, -0.0472},
{-0.0439, 0.0331},
{-0.0224, -0.0054},
{-0.0426, -0.0123},
{-0.0356, 0.0206},
{-0.0163, 0.0115},
{ 0.0138, 0.0214},
{ 0.0228, -0.0466},
{ 0.0368, -0.0018},
{-0.0281, 0.0236},
{ 0.0227, -0.0486},
{-0.0294, 0.0244},
{-0.0406, 0.0302},
{ 0.0431, 0.0012},
{ 0.0162, -0.0371},
{-0.0247, -0.0283},
{ 0.0419, 0.0726},
{ 0.0405, 0.0049},
{ 0.0345, 0.0280},
{-0.0138, 0.0177},
{ 0.0011, -0.0077},
{-0.0396, 0.0238},
{-0.0126, -0.0112},
{ 0.0429, -0.0090},
{ 0.0323, -0.0006},
{-0.0386, -0.0188},
{ 0.0218, 0.0084},
{ 0.0031, -0.0470},
{-0.0402, 0.0144},
{ 0.0142, -0.0501},
{ 0.0333, -0.0408},
{ 0.0144, 0.0065},
{-0.0454, 0.0268},
{ 0.0261, -0.0430},
{ 0.0177, -0.0044},
{ 0.0427, 0.0671},
{-0.0213, -0.0254},
{ 0.0077, 0.0229},
{ 0.0311, -0.0153},
{-0.0171, 0.0167},
{ 0.0442, 0.0820},
{ 0.0385, 0.0368},
{ 0.0252, 0.0386},
{-0.0191, -0.0418},
{-0.0147, 0.0168},
{ 0.0204, 0.0048},
{-0.0417, -0.0140},
{-0.0471, 0.0341},
{-0.0436, -0.0071},
{ 0.0051, 0.0219},
{-0.0256, -0.0310},
{ 0.0396, 0.0585},
{-0.0437, 0.0277},
{ 0.0195, 0.0330},
{-0.0391, -0.0156},
{-0.0416, -0.0107},
{-0.0378, 0.0282},
{ 0.0298, -0.0143},
{-0.0086, -0.0428},
{ 0.0415, 0.0459},
{ 0.0443, 0.0819},
{-0.0130, -0.0485},
{-0.0063, -0.0519},
{ 0.0255, -0.0433},
{ 0.0327, -0.0127},
{-0.0237, 0.0045},
{-0.0435, -0.0062},
{-0.0399, -0.0166},
{ 0.0380, -0.0374},
{-0.0440, 0.0121},
{ 0.0433, 0.0081},
{ 0.0357, -0.0093},
{ 0.0429, 0.0034},
{ 0.0092, -0.0420},
{-0.0221, -0.0174},
{ 0.0405, 0.0687},
{ 0.0067, 0.0227},
{ 0.0279, -0.0431},
{-0.0163, -0.0457},
{ 0.0015, -0.0533},
{ 0.0036, 0.0210},
{ 0.0188, -0.0404},
{-0.0432, 0.0115},
{-0.0472, 0.0265},
{ 0.0142, -0.0499},
{ 0.0297, -0.0421},
{-0.0432, -0.0103}
};
double[][] dat = swissroll.toArray(new double[swissroll.size()][]);
double[][] data = new double[1000][];
System.arraycopy(dat, 0, data, 0, data.length);
LaplacianEigenmap laplacianEigenmap = new LaplacianEigenmap(data, 2, 7);
double[][] coords = laplacianEigenmap.getCoordinates();
for (int i = 0; i < points.length; i++) {
for (int j = 0; j < points[0].length; j++) {
assertEquals(Math.abs(points[i][j]), Math.abs(coords[i][j]), 1E-4);
}
}
}
}
Ads help maintain this website.