tsai
/
mathnet-numerics
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity
Browse Source

[SymmetricMatrix] Override Insert/SetRow/Column 

Signed-off-by: Alexander Karatarakis <alex@karatarakis.com>
pull/59/head
Alexander Karatarakis 14 years ago
parent
12bd8e8827
commit
62d7e357f4
1 changed files with 163 additions and 0 deletions
Whitespace
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Split View
Diff Options
Show Stats Download Patch File Download Diff File
  1. 163
      src/Numerics/LinearAlgebra/Double/SymmetricMatrix.cs

163
src/Numerics/LinearAlgebra/Double/SymmetricMatrix.cs
View File

@ -5,6 +5,7 @@
using MathNet.Numerics.Distributions;
using MathNet.Numerics.LinearAlgebra.Generic;
using MathNet.Numerics.LinearAlgebra.Storage;
using MathNet.Numerics.Properties;
/// <summary>
/// Abstract class for symmetric matrices.
@ -376,5 +377,167 @@
}
}
}
/// <summary>
/// Creates a new matrix and inserts the given column at the given index.
/// </summary>
/// <param name="columnIndex">The index of where to insert the column.</param>
/// <param name="column">The column to insert.</param>
/// <returns>A new matrix with the inserted column.</returns>
/// <exception cref="ArgumentNullException">If <paramref name="column "/> is <see langword="null" />. </exception>
/// <exception cref="ArgumentOutOfRangeException">If <paramref name="columnIndex"/> is &lt; zero or &gt; the number of columns.</exception>
/// <exception cref="ArgumentException">If the size of <paramref name="column"/> != the number of rows.</exception>
public override Matrix<double> InsertColumn(int columnIndex, Vector<double> column)
{
throw new InvalidOperationException("Inserting a column is not supported on a symmetric matrix. Symmetric matrices are square");
}
/// <summary>
/// Copies the values of the given array to the specified column. The changes retain the symmetry of the matrix.
/// </summary>
/// <param name="columnIndex">The column to copy the values to.</param>
/// <param name="column">The array to copy the values from.</param>
/// <exception cref="ArgumentNullException">If <paramref name="column"/> is <see langword="null" />.</exception>
/// <exception cref="ArgumentOutOfRangeException">If <paramref name="columnIndex"/> is less than zero,
/// or greater than or equal to the number of columns.</exception>
/// <exception cref="ArgumentException">If the size of <paramref name="column"/> does not
/// equal the number of rows of this <strong>Matrix</strong>.</exception>
/// <exception cref="ArgumentException">If the size of <paramref name="column"/> does not
/// equal the number of rows of this <strong>Matrix</strong>.</exception>
public override void SetColumn(int columnIndex, double[] column)
{
if (columnIndex < 0 || columnIndex >= ColumnCount)
{
throw new ArgumentOutOfRangeException("columnIndex");
}
if (column == null)
{
throw new ArgumentNullException("column");
}
if (column.Length != RowCount)
{
throw new ArgumentException(Resources.ArgumentMatrixSameRowDimension, "column");
}
for (var i = 0; i < columnIndex; i++)
{
At(i, columnIndex, column[i]);
}
}
/// <summary>
/// Copies the values of the given Vector to the specified column. The changes retain the symmetry of the matrix.
/// </summary>
/// <param name="columnIndex">The column to copy the values to.</param>
/// <param name="column">The vector to copy the values from.</param>
/// <exception cref="ArgumentNullException">If <paramref name="column"/> is <see langword="null" />.</exception>
/// <exception cref="ArgumentOutOfRangeException">If <paramref name="columnIndex"/> is less than zero,
/// or greater than or equal to the number of columns.</exception>
/// <exception cref="ArgumentException">If the size of <paramref name="column"/> does not
/// equal the number of rows of this <strong>Matrix</strong>.</exception>
public override void SetColumn(int columnIndex, Vector<double> column)
{
if (columnIndex < 0 || columnIndex >= ColumnCount)
{
throw new ArgumentOutOfRangeException("columnIndex");
}
if (column == null)
{
throw new ArgumentNullException("column");
}
if (column.Count != RowCount)
{
throw new ArgumentException(Resources.ArgumentMatrixSameRowDimension, "column");
}
for (var i = 0; i < columnIndex; i++)
{
At(i, columnIndex, column[i]);
}
}
/// <summary>
/// Creates a new matrix and inserts the given row at the given index.
/// </summary>
/// <param name="rowIndex">The index of where to insert the row.</param>
/// <param name="row">The row to insert.</param>
/// <returns>A new matrix with the inserted column.</returns>
/// <exception cref="ArgumentNullException">If <paramref name="row"/> is <see langword="null" />. </exception>
/// <exception cref="ArgumentOutOfRangeException">If <paramref name="rowIndex"/> is &lt; zero or &gt; the number of rows.</exception>
/// <exception cref="ArgumentException">If the size of <paramref name="row"/> != the number of columns.</exception>
public override Matrix<double> InsertRow(int rowIndex, Vector<double> row)
{
throw new InvalidOperationException("Inserting a row is not supported on a symmetric matrix. Symmetric matrices are square");
}
/// <summary>
/// Copies the values of the given Vector to the specified row.
/// </summary>
/// <param name="rowIndex">The row to copy the values to.</param>
/// <param name="row">The vector to copy the values from.</param>
/// <exception cref="ArgumentNullException">If <paramref name="row"/> is <see langword="null" />.</exception>
/// <exception cref="ArgumentOutOfRangeException">If <paramref name="rowIndex"/> is less than zero,
/// or greater than or equal to the number of rows.</exception>
/// <exception cref="ArgumentException">If the size of <paramref name="row"/> does not
/// equal the number of columns of this <strong>Matrix</strong>.</exception>
public override void SetRow(int rowIndex, Vector<double> row)
{
if (rowIndex < 0 || rowIndex >= RowCount)
{
throw new ArgumentOutOfRangeException("rowIndex");
}
if (row == null)
{
throw new ArgumentNullException("row");
}
if (row.Count != ColumnCount)
{
throw new ArgumentException(Resources.ArgumentMatrixSameRowDimension, "row");
}
for (var i = rowIndex; i < ColumnCount; i++)
{
At(rowIndex, i, row[i]);
}
}
/// <summary>
/// Copies the values of the given array to the specified row.
/// </summary>
/// <param name="rowIndex">The row to copy the values to.</param>
/// <param name="row">The array to copy the values from.</param>
/// <exception cref="ArgumentNullException">If <paramref name="row"/> is <see langword="null" />.</exception>
/// <exception cref="ArgumentOutOfRangeException">If <paramref name="rowIndex"/> is less than zero,
/// or greater than or equal to the number of rows.</exception>
/// <exception cref="ArgumentException">If the size of <paramref name="row"/> does not
/// equal the number of columns of this <strong>Matrix</strong>.</exception>
public override void SetRow(int rowIndex, double[] row)
{
if (rowIndex < 0 || rowIndex >= RowCount)
{
throw new ArgumentOutOfRangeException("rowIndex");
}
if (row == null)
{
throw new ArgumentNullException("row");
}
if (row.Length != ColumnCount)
{
throw new ArgumentException(Resources.ArgumentMatrixSameRowDimension, "row");
}
for (var i = rowIndex; i < ColumnCount; i++)
{
At(rowIndex, i, row[i]);
}
}
}
}

Write Preview
Loading…
Cancel
Save