Package cc.mallet.types

Examples of cc.mallet.types.HashedSparseVector.dotProduct()

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    checkAnswer (s, new double[] { 3, 5, 7, 6, 7 });
  }

  public void testDotProduct () {
    HashedSparseVector t1 = new HashedSparseVector (new int[] { 7 }, new double[] { 0.2 });
    assertEquals (0.6, t1.dotProduct (s1), 0.00001);
    assertEquals (0.6, s1.dotProduct (t1), 0.00001);
   
    assertEquals (19.0, s1.dotProduct (s2), 0.00001);
    assertEquals (19.0, s2.dotProduct (s1), 0.00001);
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                                             false, false, false);
    HashedSparseVector binary2 = new HashedSparseVector (idx2, null, idx2.length, idx2.length,
                                            false, false, false);

    assertEquals (3, binary1.dotProduct (binary2), 0.0001);
    assertEquals (3, binary2.dotProduct (binary1), 0.0001);

    assertEquals (15.0, binary1.dotProduct (s1), 0.0001);
    assertEquals (15.0, s1.dotProduct (binary1), 0.0001);

    assertEquals (9.0, binary2.dotProduct (s1), 0.0001);
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    assertEquals (3, binary2.dotProduct (binary1), 0.0001);

    assertEquals (15.0, binary1.dotProduct (s1), 0.0001);
    assertEquals (15.0, s1.dotProduct (binary1), 0.0001);

    assertEquals (9.0, binary2.dotProduct (s1), 0.0001);
    assertEquals (9.0, s1.dotProduct (binary2), 0.0001);

    HashedSparseVector dblVec = (HashedSparseVector) s1.cloneMatrix ();
    dblVec.plusEqualsSparse (binary1);
    checkAnswer (dblVec, new double[] { 2, 3, 4, 5, 6 });
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