@Test public void test6(){ double[] v1 = new double[]{3, 5, 8}; double[] v2 = new double[]{3, 5, 8}; Asserts.assertEqualLength(v1, v2); double res = Cosine.distance(v1, v2); Asserts.assertEquals(res, 0.0); }
public static double distance(double[] v1,double[] v2){ Asserts.assertHasAllZeros(v1); Asserts.assertHasAllZeros(v2); return 1-CommonStats.dotProduct(v1, v2)/(CommonStats.norm(v1)*CommonStats.norm(v2)); }
Cosine { public static double distance(double[] v1,double[] v2){ Asserts.assertHasAllZeros(v1); Asserts.assertHasAllZeros(v2); return 1-CommonStats.dotProduct(v1, v2)/(CommonStats.norm(v1)*CommonStats.norm(v2)); } }
Cosine { public static double distance(double[] v1,double[] v2){ Asserts.assertHasAllZeros(v1); Asserts.assertHasAllZeros(v2); return 1-CommonStats.dotProduct(v1, v2)/(CommonStats.norm(v1)*CommonStats.norm(v2)); }  }
Cosine { public static double distance(double[] v1,double[] v2){ Asserts.assertHasAllZeros(v1); Asserts.assertHasAllZeros(v2); return 1-CommonStats.dotProduct(v1, v2)/(CommonStats.norm(v1)*CommonStats.norm(v2)); }  static double distance(double[] v1,double[] v2); }
Cosine { public static double distance(double[] v1,double[] v2){ Asserts.assertHasAllZeros(v1); Asserts.assertHasAllZeros(v2); return 1-CommonStats.dotProduct(v1, v2)/(CommonStats.norm(v1)*CommonStats.norm(v2)); }  static double distance(double[] v1,double[] v2);  }