本文整理了Java中org.apache.mahout.math.Vector.all()方法的一些代码示例，展示了Vector.all()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。Vector.all()方法的具体详情如下：
包路径：org.apache.mahout.math.Vector
类名称：Vector
方法名：all

Vector.all介绍

暂无

代码示例

代码示例来源：origin: apache/mahout

@Override
public Iterable<Element> all() {
 return delegate.all();
}

代码示例来源：origin: apache/mahout

@Override
public Iterable<Element> all() {
 return delegate.all();
}

代码示例来源：origin: apache/mahout

private AllIterator() {
 it = vector.all().iterator();
}

代码示例来源：origin: apache/mahout

@Override
 public Vector assign(Vector x, Vector y, DoubleDoubleFunction f) {
  Iterator<Vector.Element> xi = x.all().iterator();
  Iterator<Vector.Element> yi = y.all().iterator();
  while (xi.hasNext() && yi.hasNext()) {
   Element xe = xi.next();
   x.setQuick(xe.index(), f.apply(xe.get(), yi.next().get()));
  }
  return x;
 }
}

代码示例来源：origin: apache/mahout

public static void writeMatrix(File f, Matrix m) throws IOException {
 Preconditions.checkArgument(f.canWrite(), "Can't write to output file");
 FileOutputStream fos = new FileOutputStream(f);
 try {
  ByteBuffer buf = ByteBuffer.allocate(m.columnSize() * 8);
  for (MatrixSlice row : m) {
   buf.clear();
   for (Vector.Element element : row.vector().all()) {
    buf.putDouble(element.get());
   }
   buf.flip();
   fos.write(buf.array());
  }
 } finally {
  fos.close();
 }
}

代码示例来源：origin: apache/mahout

@Override
 public double aggregate(Vector x, Vector y, DoubleDoubleFunction fa, DoubleDoubleFunction fc) {
  Iterator<Vector.Element> xi = x.all().iterator();
  Iterator<Vector.Element> yi = y.all().iterator();
  boolean validResult = false;
  double result = 0;
  while (xi.hasNext() && yi.hasNext()) {
   Vector.Element xe = xi.next();
   double thisResult = fc.apply(xe.get(), yi.next().get());
   if (validResult) {
    result = fa.apply(result, thisResult);
   } else {
    result = thisResult;
    validResult = true;
   }
  }
  return result;
 }
}

代码示例来源：origin: apache/mahout

@Override
 public Vector assign(Vector x, Vector y, DoubleDoubleFunction f) {
  Iterator<Vector.Element> xi = x.all().iterator();
  Iterator<Vector.Element> yi = y.all().iterator();
  OrderedIntDoubleMapping updates = new OrderedIntDoubleMapping(false);
  while (xi.hasNext() && yi.hasNext()) {
   Element xe = xi.next();
   updates.set(xe.index(), f.apply(xe.get(), yi.next().get()));
  }
  x.mergeUpdates(updates);
  return x;
 }
}

代码示例来源：origin: apache/mahout

private Matrix columnVectorAsMatrix(Vector v) {
 double[][] matrix =  new double[numFeatures][1];
 for (Vector.Element e : v.all()) {
  matrix[e.index()][0] =  e.get();
 }
 return new DenseMatrix(matrix, true);
}

代码示例来源：origin: apache/mahout

@Override
 public double aggregate(Vector x, Vector y, DoubleDoubleFunction fa, DoubleDoubleFunction fc) {
  Iterator<Vector.Element> yi = y.all().iterator();
  boolean validResult = false;
  double result = 0;
  while (yi.hasNext()) {
   Vector.Element ye = yi.next();
   double thisResult = fc.apply(x.getQuick(ye.index()), ye.get());
   if (validResult) {
    result = fa.apply(result, thisResult);
   } else {
    result = thisResult;
    validResult = true;
   }
  }
  return result;
 }
}

代码示例来源：origin: apache/mahout

@Override
 public double aggregate(Vector x, Vector y, DoubleDoubleFunction fa, DoubleDoubleFunction fc) {
  Iterator<Vector.Element> xi = x.all().iterator();
  boolean validResult = false;
  double result = 0;
  while (xi.hasNext()) {
   Vector.Element xe = xi.next();
   double thisResult = fc.apply(xe.get(), y.getQuick(xe.index()));
   if (validResult) {
    result = fa.apply(result, thisResult);
   } else {
    result = thisResult;
    validResult = true;
   }
  }
  return result;
 }
}

代码示例来源：origin: apache/mahout

@Override
 public Vector assign(Vector x, Vector y, DoubleDoubleFunction f) {
  for (Element xe : x.all()) {
   x.setQuick(xe.index(), f.apply(xe.get(), y.getQuick(xe.index())));
  }
  return x;
 }
}

代码示例来源：origin: apache/mahout

@Override
 public Vector assign(Vector x, Vector y, DoubleDoubleFunction f) {
  for (Element ye : y.all()) {
   x.setQuick(ye.index(), f.apply(x.getQuick(ye.index()), ye.get()));
  }
  return x;
 }
}

代码示例来源：origin: apache/mahout

/** Asserts a vector using enumeration equals a given dense vector */
private static void doTestEnumeration(double[] apriori, Vector vector) {
 double[] test = new double[apriori.length];
 for (Element e : vector.all()) {
  test[e.index()] = e.get();
 }
 for (int i = 0; i < test.length; i++) {
  assertEquals(apriori[i], test[i], EPSILON);
 }
}

代码示例来源：origin: apache/mahout

@Override
 public Vector assign(Vector x, Vector y, DoubleDoubleFunction f) {
  OrderedIntDoubleMapping updates = new OrderedIntDoubleMapping(false);
  for (Element xe : x.all()) {
   updates.set(xe.index(), f.apply(xe.get(), y.getQuick(xe.index())));
  }
  x.mergeUpdates(updates);
  return x;
 }
}

代码示例来源：origin: apache/mahout

@Override
 public Vector assign(Vector x, Vector y, DoubleDoubleFunction f) {
  OrderedIntDoubleMapping updates = new OrderedIntDoubleMapping(false);
  for (Element ye : y.all()) {
   updates.set(ye.index(), f.apply(x.getQuick(ye.index()), ye.get()));
  }
  x.mergeUpdates(updates);
  return x;
 }
}

代码示例来源：origin: apache/mahout

@Override
public Matrix assignColumn(int column, Vector other) {
 if (columnSize() != other.size()) {
  throw new IndexException(columnSize(), other.size());
 }
 if (other.viewPart(column + 1, other.size() - column - 1).norm(1) > 1.0e-14) {
  throw new IllegalArgumentException("Cannot set lower portion of triangular matrix to non-zero");
 }
 for (Vector.Element element : other.viewPart(0, column).all()) {
  setQuick(element.index(), column, element.get());
 }
 return this;
}

代码示例来源：origin: apache/mahout

private static void assertVectorEquals(Vector expected, Vector actual, double epsilon) {
 assertEquals(expected.size(), actual.size());
 for (Element x : expected.all()) {
  assertEquals(x.get(), actual.get(x.index()), epsilon);
 }
}

代码示例来源：origin: apache/mahout

@Test
public void testIterators() {
 final T v0 = vectorToTest(20);
 double sum = 0;
 int elements = 0;
 int nonZero = 0;
 for (Element element : v0.all()) {
  elements++;
  sum += element.get();
  if (element.get() != 0) {
   nonZero++;
  }
 }
 int nonZeroIterated = Iterables.size(v0.nonZeroes());
 assertEquals(20, elements);
 assertEquals(v0.size(), elements);
 assertEquals(nonZeroIterated, nonZero);
 assertEquals(v0.zSum(), sum, 0);
}

代码示例来源：origin: apache/mahout

@Test
public void testIteratorSet() {
 Vector clone = test.clone();
 for (Element e : clone.nonZeroes()) {
  e.set(e.get() * 2.0);
 }
 for (Element e : clone.nonZeroes()) {
  assertEquals(test.get(e.index()) * 2.0, e.get(), EPSILON);
 }
 clone = test.clone();
 for (Element e : clone.all()) {
  e.set(e.get() * 2.0);
 }
 for (Element e : clone.all()) {
  assertEquals(test.get(e.index()) * 2.0, e.get(), EPSILON);
 }
}

代码示例来源：origin: apache/mahout

@Test
public void testEigen() {
 double[] evals =
  {0.0, 1.0, 0.0, 0.0,
    1.0, 0.0, 2.0e-7, 0.0,
    0.0, -2.0e-7, 0.0, 1.0,
    0.0, 0.0, 1.0, 0.0};
 int i = 0;
 Matrix a = new DenseMatrix(4, 4);
 for (MatrixSlice row : a) {
  for (Vector.Element element : row.vector().all()) {
   element.set(evals[i++]);
  }
 }
 EigenDecomposition eig = new EigenDecomposition(a);
 Matrix d = eig.getD();
 Matrix v = eig.getV();
 check("EigenvalueDecomposition (nonsymmetric)...", a.times(v), v.times(d));
}