41 lines
1.1 KiB
JavaScript
41 lines
1.1 KiB
JavaScript
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var vows = require('vows');
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var assert = require('assert');
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var suite = vows.describe('jStat');
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require('../env.js');
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suite.addBatch({
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'lu decomposition': {
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'topic': function() {
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return jStat;
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},
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'example1': function(jStat) {
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var A = [[2, 3, 0], [0, 1, 0], [4, 6, 0]];
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var LU = jStat.lu(A);
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var L = LU[0];
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var U = LU[1];
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var tol = 0.0001;
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assert.epsilon(tol, L[0][0], 1.0);
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assert.epsilon(tol, L[0][1], 0.0);
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assert.epsilon(tol, L[0][2], 0.0);
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assert.epsilon(tol, L[1][0], 0.0);
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assert.epsilon(tol, L[1][1], 1.0);
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assert.epsilon(tol, L[1][2], 0.0);
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assert.epsilon(tol, L[2][0], 2.0);
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assert.epsilon(tol, L[2][1], 0.0);
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assert.epsilon(tol, L[2][2], 1.0);
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assert.epsilon(tol, U[0][0], 2.0);
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assert.epsilon(tol, U[0][1], 3.0);
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assert.epsilon(tol, U[0][2], 0.0);
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assert.epsilon(tol, U[1][0], 0.0);
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assert.epsilon(tol, U[1][1], 1.0);
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assert.epsilon(tol, U[1][2], 0.0);
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assert.epsilon(tol, U[2][0], 0.0);
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assert.epsilon(tol, U[2][1], 0.0);
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assert.epsilon(tol, U[2][2], 0.0);
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}
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}
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});
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suite.export(module);
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