org.ujmp.core.Matrix.times()方法的使用及代码示例

x33g5p2x  于2022-01-25 转载在 其他  
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本文整理了Java中org.ujmp.core.Matrix.times()方法的一些代码示例，展示了Matrix.times()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。Matrix.times()方法的具体详情如下：
包路径：org.ujmp.core.Matrix
类名称：Matrix
方法名：times

Matrix.times介绍

暂无

代码示例

代码示例来源：origin: jdmp/java-data-mining-package

public Map<String, Object> calculateObjects(Map<String, Object> input) {
  Map<String, Object> result = new HashMap<String, Object>();
  Matrix output = MathUtil.getMatrix(input.get(SOURCE1));
  Matrix outputdeviation = MathUtil.getMatrix(input.get(SOURCE2));
  Matrix product = output.times(output);
  Matrix factor1 = product.times(-1).plus(1);
  Matrix target = factor1.times(outputdeviation);
  result.put(TARGET, target);
  return result;
}

代码示例来源：origin: jdmp/java-data-mining-package

public Map<String, Object> calculateObjects(Map<String, Object> input) {
    Map<String, Object> result = new HashMap<String, Object>();

    Matrix source1 = MathUtil.getMatrix(input.get(SOURCE1));
    Matrix source2 = MathUtil.getMatrix(input.get(SOURCE2));

    result.put(TARGET, source1.times(source2));

    return result;

  }
}

代码示例来源：origin: ujmp/universal-java-matrix-package

public Object call() {
  Matrix m = getMatrixObject().getMatrix().times(getRet(), getIgnoreMissing(),
      GUIUtil.getDouble("Value to multiply by", -Double.MAX_VALUE, Double.MAX_VALUE));
  return m;
}

代码示例来源：origin: ujmp/universal-java-matrix-package

@Test
public void testTimesScalarSmall() throws Exception {
  Matrix ref1 = DenseDoubleMatrix2D.Factory.randn(11, 10);
  double ref2 = MathUtil.nextDouble();
  Matrix ref3 = ref1.times(Ret.LINK, true, ref2);
  for (Class<? extends Matrix> mclass : ALLFLOATMATRIXCLASSES) {
    Matrix m1 = getMatrix(mclass, ref1);
    Matrix m3 = m1.times(ref2);
    assertEquals(mclass.toString(), 0.0, ref3.minus(m3).getRMS(), TOLERANCE);
  }
}

代码示例来源：origin: jdmp/java-data-mining-package

private Object getObject(PLevel2 factor) throws Exception {
  if (factor instanceof ALevel1Level2) {
    return getObject(((ALevel1Level2) factor).getLevel1());
  } else if (factor instanceof AMinusLevel2) {
    Matrix m = MathUtil.getMatrix(getObject(((AMinusLevel2) factor).getLevel1()));
    return m.times(-1);
  } else if (factor instanceof APlusLevel2) {
    return getObject(((APlusLevel2) factor).getLevel1());
  } else if (factor instanceof AComplementLevel2) {
    Matrix m = MathUtil.getMatrix(getObject(((AComplementLevel2) factor).getLevel1()));
    return m.not(Ret.NEW);
  } else if (factor instanceof ABitComplementLevel2) {
    // TODO
  }
  RuntimeException e = new RuntimeException("Unknown expression type: "
      + factor.getClass().getSimpleName());
  result = new Result(e);
  throw e;
}

代码示例来源：origin: ujmp/universal-java-matrix-package

@Test
public void testTimesScalarLarge() throws Exception {
  Matrix ref1 = DenseDoubleMatrix2D.Factory.randn(101, 100);
  double ref2 = MathUtil.nextDouble();
  Matrix ref3 = ref1.times(Ret.LINK, true, ref2);
  for (Class<? extends Matrix> mclass : ALLFLOATMATRIXCLASSES) {
    Matrix m1 = getMatrix(mclass, ref1);
    Matrix m3 = m1.times(ref2);
    assertEquals(mclass.toString(), 0.0, ref3.minus(m3).getRMS(), TOLERANCE);
  }
}

代码示例来源：origin: ujmp/universal-java-matrix-package

@Test
public void testTimesMatrixSmall() throws Exception {
  Matrix ref1 = DenseDoubleMatrix2D.Factory.randn(11, 10);
  Matrix ref2 = DenseDoubleMatrix2D.Factory.randn(11, 10);
  Matrix ref3 = ref1.times(Ret.LINK, true, ref2);
  for (Class<? extends Matrix> mclass : ALLFLOATMATRIXCLASSES) {
    Matrix m1 = getMatrix(mclass, ref1);
    Matrix m2 = getMatrix(mclass, ref2);
    Matrix m3 = m1.times(m2);
    assertEquals(mclass.toString(), 0.0, ref3.minus(m3).getRMS(), TOLERANCE);
  }
}

代码示例来源：origin: ujmp/universal-java-matrix-package

@Test
public void testTimesMatrixLarge() throws Exception {
  Matrix ref1 = DenseDoubleMatrix2D.Factory.randn(101, 100);
  Matrix ref2 = DenseDoubleMatrix2D.Factory.randn(101, 100);
  Matrix ref3 = ref1.times(Ret.LINK, true, ref2);
  for (Class<? extends Matrix> mclass : ALLFLOATMATRIXCLASSES) {
    Matrix m1 = getMatrix(mclass, ref1);
    Matrix m2 = getMatrix(mclass, ref2);
    Matrix m3 = m1.times(m2);
    assertEquals(mclass.toString(), 0.0, ref3.minus(m3).getRMS(), TOLERANCE);
  }
}

代码示例来源：origin: jdmp/java-data-mining-package

Matrix weightChange = product.times(eta * sampleWeight * boost);
Matrix newWeight = weight.minus(Ret.NEW, true, weightChange);

代码示例来源：origin: jdmp/java-data-mining-package

Matrix gradient = x.mtimes(diff.transpose()).times(eta / batchSize);
parameters = parameters.times(1.0 - weightDecay);

代码示例来源：origin: org.ujmp/ujmp-examples

Matrix difference = dense.minus(sparse);
Matrix matrixProduct = dense.mtimes(sparse);
Matrix scaled = dense.times(2.0);

代码示例来源：origin: ujmp/universal-java-matrix-package

Matrix difference = dense.minus(sparse);
Matrix matrixProduct = dense.mtimes(sparse);
Matrix scaled = dense.times(2.0);

代码示例来源：origin: ujmp/universal-java-matrix-package

@Test
public final void test0Times0Matrix() throws Exception {
  Matrix m1 = createMatrixWithAnnotation(5, 7);
  Matrix m2 = createMatrixWithAnnotation(5, 7);
  Matrix m3 = m1.times(m2);
  assertTrue(getLabel(), m3.isEmpty());
  if (m1 instanceof Erasable) {
    ((Erasable) m1).erase();
  }
  if (m2 instanceof Erasable) {
    ((Erasable) m2).erase();
  }
  if (m3 instanceof Erasable) {
    ((Erasable) m3).erase();
  }
}

代码示例来源：origin: ujmp/universal-java-matrix-package

@Test
public void testTimesScalar() {
  Matrix matrix1 = Matrix.Factory.zeros(M1ROWS, M1ROWS);
  for (int i = 0; i < M1ROWS; i++) {
    matrix1.setAsDouble(1, i, i);
  }
  Matrix result = matrix1.times(PRODUCT);
  for (int row = 0; row < result.getRowCount(); ++row) {
    for (int col = 0; col < result.getColumnCount(); ++col) {
      if (row == col) {
        assertEquals(PRODUCT, result.getAsDouble(row, col), 0.001);
      } else {
        assertEquals(0.0, result.getAsDouble(row, col), 0.001);
      }
    }
  }
}

代码示例来源：origin: ujmp/universal-java-matrix-package

@Test
public final void testXTimes0Matrix() throws Exception {
  Matrix m1 = createMatrixWithAnnotation(5, 7);
  Matrix m2 = createMatrixWithAnnotation(5, 7);
  m1.randn(Ret.ORIG);
  Matrix m3 = m1.times(m2);
  assertTrue(getLabel(), m3.isEmpty());
  if (m1 instanceof Erasable) {
    ((Erasable) m1).erase();
  }
  if (m2 instanceof Erasable) {
    ((Erasable) m2).erase();
  }
  if (m3 instanceof Erasable) {
    ((Erasable) m3).erase();
  }
}

代码示例来源：origin: ujmp/universal-java-matrix-package

@Test
public final void test0TimesXMatrix() throws Exception {
  Matrix m1 = createMatrixWithAnnotation(5, 7);
  Matrix m2 = createMatrixWithAnnotation(5, 7);
  m2.randn(Ret.ORIG);
  Matrix m3 = m1.times(m2);
  assertTrue(getLabel(), m3.isEmpty());
  if (m1 instanceof Erasable) {
    ((Erasable) m1).erase();
  }
  if (m2 instanceof Erasable) {
    ((Erasable) m2).erase();
  }
  if (m3 instanceof Erasable) {
    ((Erasable) m3).erase();
  }
}

代码示例来源：origin: jdmp/java-data-mining-package

Matrix left = MathUtil.getMatrix(getObject(((ADotMultLevel3) term).getLeft()));
  Matrix right = MathUtil.getMatrix(getObject(((ADotMultLevel3) term).getRight()));
  return left.times(Ret.NEW, ignoreNaN, right);
} else if (term instanceof ARdivLevel3) {
  Matrix left = MathUtil.getMatrix(getObject(((ARdivLevel3) term).getLeft()));

代码示例来源：origin: ujmp/universal-java-matrix-package

@Test
public final void test0MinusXMatrix() throws Exception {
  Matrix m1 = createMatrixWithAnnotation(5, 7);
  Matrix m2 = createMatrixWithAnnotation(5, 7);
  m2.randn(Ret.ORIG);
  Matrix m3 = m1.minus(m2);
  Matrix m4 = m2.times(-1);
  assertEquals(getLabel(), m4, m3);
  if (m1 instanceof Erasable) {
    ((Erasable) m1).erase();
  }
  if (m2 instanceof Erasable) {
    ((Erasable) m2).erase();
  }
  if (m3 instanceof Erasable) {
    ((Erasable) m3).erase();
  }
  if (m4 instanceof Erasable) {
    ((Erasable) m4).erase();
  }
}

代码示例来源：origin: ujmp/universal-java-matrix-package

@Test
public final void testTimesScalarSmall() throws Exception {
  Matrix m = createMatrixWithAnnotation(2, 2);
  m.setAsDouble(1.0, 0, 0);
  m.setAsDouble(2.0, 0, 1);
  m.setAsDouble(3.0, 1, 0);
  m.setAsDouble(4.0, 1, 1);
  Matrix r = m.times(2.0);
  assertEquals(getLabel(), 2.0, r.getAsDouble(0, 0), TOLERANCE);
  assertEquals(getLabel(), 4.0, r.getAsDouble(0, 1), TOLERANCE);
  assertEquals(getLabel(), 6.0, r.getAsDouble(1, 0), TOLERANCE);
  assertEquals(getLabel(), 8.0, r.getAsDouble(1, 1), TOLERANCE);
  assertEquals(getLabel(), 1.0, m.getAsDouble(0, 0), TOLERANCE);
  assertEquals(getLabel(), 2.0, m.getAsDouble(0, 1), TOLERANCE);
  assertEquals(getLabel(), 3.0, m.getAsDouble(1, 0), TOLERANCE);
  assertEquals(getLabel(), 4.0, m.getAsDouble(1, 1), TOLERANCE);
  if (m instanceof Erasable) {
    ((Erasable) m).erase();
  }
  if (r instanceof Erasable) {
    ((Erasable) r).erase();
  }
}

代码示例来源：origin: ujmp/universal-java-matrix-package

@Test
public final void testTimesScalarLarge() throws Exception {
  if (!isTestLarge()) {
    return;
  }
  Matrix m = createMatrixWithAnnotation(128, 113);
  m.setAsDouble(1.0, 0, 0);
  m.setAsDouble(2.0, 0, 1);
  m.setAsDouble(3.0, 1, 0);
  m.setAsDouble(4.0, 1, 1);
  Matrix r = m.times(2.0);
  assertEquals(getLabel(), 2.0, r.getAsDouble(0, 0), TOLERANCE);
  assertEquals(getLabel(), 4.0, r.getAsDouble(0, 1), TOLERANCE);
  assertEquals(getLabel(), 6.0, r.getAsDouble(1, 0), TOLERANCE);
  assertEquals(getLabel(), 8.0, r.getAsDouble(1, 1), TOLERANCE);
  assertEquals(getLabel(), 1.0, m.getAsDouble(0, 0), TOLERANCE);
  assertEquals(getLabel(), 2.0, m.getAsDouble(0, 1), TOLERANCE);
  assertEquals(getLabel(), 3.0, m.getAsDouble(1, 0), TOLERANCE);
  assertEquals(getLabel(), 4.0, m.getAsDouble(1, 1), TOLERANCE);
  if (m instanceof Erasable) {
    ((Erasable) m).erase();
  }
  if (r instanceof Erasable) {
    ((Erasable) r).erase();
  }
}

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