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

Vector.normalize介绍

[英]Return a new vector containing the normalized (L_2 norm) values of the recipient
[中]返回一个新向量，其中包含收件人的标准化（L_2 norm）值

代码示例

代码示例来源：origin: apache/mahout

@Override
public Vector normalize() {
 return delegate.normalize();
}

代码示例来源：origin: apache/mahout

@Override
public Vector normalize(double power) {
 return delegate.normalize(power);
}

代码示例来源：origin: apache/mahout

@Override
public Vector normalize() {
 return delegate.normalize();
}

代码示例来源：origin: apache/mahout

@Override
public Vector normalize(double power) {
 return delegate.normalize(power);
}

代码示例来源：origin: apache/mahout

@Test
public void testNormalize() throws Exception {
 Vector res = test.normalize();
 double mag = Math.sqrt(1.1 * 1.1 + 2.2 * 2.2 + 3.3 * 3.3);
 for (int i = 0; i < test.size(); i++) {
  assertEquals("dot", values[OFFSET + i] / mag, res.get(i), EPSILON);
 }
}

代码示例来源：origin: apache/mahout

@Test
public void testNormalize() {
 Vector val = test.normalize();
 double mag = Math.sqrt(1.1 * 1.1 + 2.2 * 2.2 + 3.3 * 3.3);
 for (int i = 0; i < test.size(); i++) {
  if (i % 2 == 0) {
   assertEquals("get [" + i + ']', 0.0, val.get(i), EPSILON);
  } else {
   assertEquals("dot", values[i/2] / mag, val.get(i), EPSILON);
  }
 }
}

代码示例来源：origin: apache/mahout

vec1.setQuick(1, 2);
vec1.setQuick(2, 3);
Vector norm = vec1.normalize();
assertNotNull("norm1 is null and it shouldn't be", norm);
vec2.setQuick(1, 2);
vec2.setQuick(2, 3);
Vector norm2 = vec2.normalize();
assertNotNull("norm1 is null and it shouldn't be", norm2);
norm = vec1.normalize(2);
assertEquals(expected, norm);
norm2 = vec2.normalize(2);
assertEquals(expected, norm2);
norm = vec1.normalize(1);
norm2 = vec2.normalize(1);
expected.setQuick(0, 1.0 / 6);
expected.setQuick(1, 2.0 / 6);
assertEquals(expected, norm);
assertEquals(expected, norm2);
norm = vec1.normalize(3);
norm = vec1.normalize(Double.POSITIVE_INFINITY);
norm2 = vec2.normalize(Double.POSITIVE_INFINITY);
norm = vec1.normalize(0);

代码示例来源：origin: apache/mahout

assert realEigen != null;
realEigen = realEigen.normalize();
state.setRightSingularVector(row, realEigen);
double e = eigenVals.get(row) * state.getScaleFactor();

代码示例来源：origin: apache/mahout

@Test
public void testProjection() {
 Vector v1 = new DenseVector(10).assign(Functions.random());
 WeightedVector v2 = new WeightedVector(v1, v1, 31);
 assertEquals(v1.dot(v1), v2.getWeight(), 1.0e-13);
 assertEquals(31, v2.getIndex());
 Matrix y = new DenseMatrix(10, 4).assign(Functions.random());
 Matrix q = new QRDecomposition(y.viewPart(0, 10, 0, 3)).getQ();
 Vector nullSpace = y.viewColumn(3).minus(q.times(q.transpose().times(y.viewColumn(3))));
 WeightedVector v3 = new WeightedVector(q.viewColumn(0).plus(q.viewColumn(1)), nullSpace, 1);
 assertEquals(0, v3.getWeight(), 1.0e-13);
 Vector qx = q.viewColumn(0).plus(q.viewColumn(1)).normalize();
 WeightedVector v4 = new WeightedVector(qx, q.viewColumn(0), 2);
 assertEquals(Math.sqrt(0.5), v4.getWeight(), 1.0e-13);
 WeightedVector v5 = WeightedVector.project(q.viewColumn(0), qx);
 assertEquals(Math.sqrt(0.5), v5.getWeight(), 1.0e-13);
}

代码示例来源：origin: org.apache.mahout/mahout-math

@Override
public Vector normalize(double power) {
 return delegate.normalize(power);
}

代码示例来源：origin: apache/mahout

assertEquals(dv1.maxValueIndex(), v1.maxValueIndex());
Vector nv1 = v1.normalize();
assertEquals(0, dv1.normalize().getDistanceSquared(nv1), FUZZ);
nv1 = v1.normalize(1);
assertEquals(0, dv1.getDistanceSquared(v1), FUZZ);
assertEquals(1, nv1.norm(1), FUZZ);
assertEquals(0, dv1.normalize(1).getDistanceSquared(nv1), FUZZ);

代码示例来源：origin: apache/mahout

assertEquals("mutation via v.getElement().set() fails to change lengthSquared", expected, v.getLengthSquared(), EPSILON);
v.normalize();
expected = lengthSquaredSlowly(v);
assertEquals("mutation via normalize() fails to change lengthSquared", expected, v.getLengthSquared(), EPSILON);
v.normalize(1.0);
expected = lengthSquaredSlowly(v);
assertEquals("mutation via normalize(double) fails to change lengthSquared", expected, v.getLengthSquared(), EPSILON);

代码示例来源：origin: org.apache.mahout/mahout-mrlegacy

@Override
protected void map(IntWritable row, VectorWritable vector, Context context) 
 throws IOException, InterruptedException {
 context.write(row, new VectorWritable(vector.get().normalize(2)));
}

代码示例来源：origin: org.apache.mahout/mahout-mr

@Override
protected void map(IntWritable row, VectorWritable vector, Context context) 
 throws IOException, InterruptedException {
 context.write(row, new VectorWritable(vector.get().normalize(2)));
}

代码示例来源：origin: org.apache.mahout/mahout-core

@Override
protected void map(IntWritable row, VectorWritable vector, Context context) 
 throws IOException, InterruptedException {
 context.write(row, new VectorWritable(vector.get().normalize(2)));
}

代码示例来源：origin: org.apache.mahout/mahout-mrlegacy

@Override
public String toString() {
 StringBuilder buf = new StringBuilder();
 for (int x = 0; x < numTopics; x++) {
  String v = dictionary != null
    ? vectorToSortedString(topicTermCounts.viewRow(x).normalize(1), dictionary)
    : topicTermCounts.viewRow(x).asFormatString();
  buf.append(v).append('\n');
 }
 return buf.toString();
}

代码示例来源：origin: org.apache.mahout/mahout-mr

@Override
public String toString() {
 StringBuilder buf = new StringBuilder();
 for (int x = 0; x < numTopics; x++) {
  String v = dictionary != null
    ? vectorToSortedString(topicTermCounts.viewRow(x).normalize(1), dictionary)
    : topicTermCounts.viewRow(x).asFormatString();
  buf.append(v).append('\n');
 }
 return buf.toString();
}

代码示例来源：origin: org.apache.mahout/mahout-core

public void renormalize() {
 for (int x = 0; x < numTopics; x++) {
  topicTermCounts.assignRow(x, topicTermCounts.viewRow(x).normalize(1));
  topicSums.assign(1.0);
 }
}

代码示例来源：origin: org.apache.mahout/mahout-mr

public void renormalize() {
 for (int x = 0; x < numTopics; x++) {
  topicTermCounts.assignRow(x, topicTermCounts.viewRow(x).normalize(1));
  topicSums.assign(1.0);
 }
}

代码示例来源：origin: cloudera/mahout

@Test
public void testNormalize() {
 Vector val = test.normalize();
 double mag = Math.sqrt(1.1 * 1.1 + 2.2 * 2.2 + 3.3 * 3.3);
 for (int i = 0; i < test.size(); i++) {
  if (i % 2 == 0) {
   assertEquals("get [" + i + ']', 0.0, val.get(i), EPSILON);
  } else {
   assertEquals("dot", values[i/2] / mag, val.get(i), EPSILON);
  }
 }
}