How to use

setElement

method

in

gov.sandia.cognition.math.matrix.custom.DiagonalMatrix

@Override
public void set(
  final int rowIndex,
  final int columnIndex,
  final double value)
{
  setElement(rowIndex, columnIndex, value);
}

@Override
public void set(
  final int rowIndex,
  final int columnIndex,
  final double value)
{
  setElement(rowIndex, columnIndex, value);
}

@Override
public void set(
  final int rowIndex,
  final int columnIndex,
  final double value)
{
  setElement(rowIndex, columnIndex, value);
}

/**
 * Sets elements of the group with their score (+1/-1 or similar) and how
 * much to trust that weight.
 *
 * @param group The element's group id
 * @param index The element's within-group id
 * @param trust The amount the score should be trusted
 * @param score The score assigned to the element
 */
public void setElementsScore(int group,
  int index,
  double trust,
  double score)
{
  isInitialized = false;
  // Make sure its in within space
  checkNode(group, index);
  // Add to solution and diagonal
  int i = eachPartsStart[group] + index;
  rhs.setElement(i, trust * score);
  additional.setElement(i, i, trust);
}

/**
 * Sets elements of the group with their score (+1/-1 or similar) and how
 * much to trust that weight.
 *
 * @param group The element's group id
 * @param index The element's within-group id
 * @param trust The amount the score should be trusted
 * @param score The score assigned to the element
 */
public void setElementsScore(int group,
  int index,
  double trust,
  double score)
{
  isInitialized = false;
  // Make sure its in within space
  checkNode(group, index);
  // Add to solution and diagonal
  int i = eachPartsStart[group] + index;
  rhs.setElement(i, trust * score);
  additional.setElement(i, i, trust);
}

/**
 * Sets elements of the group with their score (+1/-1 or similar) and how
 * much to trust that weight.
 *
 * @param group The element's group id
 * @param index The element's within-group id
 * @param trust The amount the score should be trusted
 * @param score The score assigned to the element
 */
public void setElementsScore(int group,
  int index,
  double trust,
  double score)
{
  isInitialized = false;
  // Make sure its in within space
  checkNode(group, index);
  // Add to solution and diagonal
  int i = eachPartsStart[group] + index;
  rhs.setElement(i, trust * score);
  additional.setElement(i, i, trust);
}

/**
 * Creates a new {@link MatrixVectorMultiplierDiagonalPreconditioner} for
 * the given matrix.
 * 
 * @param m 
 *      The matrix.
 */
public MatrixVectorMultiplierDiagonalPreconditioner(Matrix m)
{
  super(m);
  if (!m.isSquare())
  {
    throw new IllegalArgumentException("This preconditioner only works "
      + "on square matrices");
  }
  int n = m.getNumRows();
  Minv = new DiagonalMatrix(n);
  for (int i = 0; i < n; ++i)
  {
    double ij = m.getElement(i, i);
    if (ij == 0)
    {
      throw new IllegalArgumentException("Diagonal preconditioner "
        + "only serves for matrices with non-zero diagonal elements");
    }
    Minv.setElement(i, i, 1.0 / ij);
  }
}

/**
 * Creates a new {@link MatrixVectorMultiplierDiagonalPreconditioner} for
 * the given matrix.
 * 
 * @param m 
 *      The matrix.
 */
public MatrixVectorMultiplierDiagonalPreconditioner(Matrix m)
{
  super(m);
  if (!m.isSquare())
  {
    throw new IllegalArgumentException("This preconditioner only works "
      + "on square matrices");
  }
  int n = m.getNumRows();
  Minv = new DiagonalMatrix(n);
  for (int i = 0; i < n; ++i)
  {
    double ij = m.getElement(i, i);
    if (ij == 0)
    {
      throw new IllegalArgumentException("Diagonal preconditioner "
        + "only serves for matrices with non-zero diagonal elements");
    }
    Minv.setElement(i, i, 1.0 / ij);
  }
}

/**
 * Creates a new {@link MatrixVectorMultiplierDiagonalPreconditioner} for
 * the given matrix.
 * 
 * @param m 
 *      The matrix.
 */
public MatrixVectorMultiplierDiagonalPreconditioner(Matrix m)
{
  super(m);
  if (!m.isSquare())
  {
    throw new IllegalArgumentException("This preconditioner only works "
      + "on square matrices");
  }
  int n = m.getNumRows();
  Minv = new DiagonalMatrix(n);
  for (int i = 0; i < n; ++i)
  {
    double ij = m.getElement(i, i);
    if (ij == 0)
    {
      throw new IllegalArgumentException("Diagonal preconditioner "
        + "only serves for matrices with non-zero diagonal elements");
    }
    Minv.setElement(i, i, 1.0 / ij);
  }
}

for (int i = 0; i < size; ++i)
  this.additional.setElement(i, i, DEFAULT_TRUST);

for (int i = 0; i < size; ++i)
  this.additional.setElement(i, i, DEFAULT_TRUST);

for (int i = 0; i < size; ++i)
  this.additional.setElement(i, i, DEFAULT_TRUST);

diag.setElement(i, i, rowSum);

diag.setElement(i, i, rowSum);

diag.setElement(i, i, rowSum);