/// <summary>
/// Gets the column at the given index.
/// </summary>
/// <param name="c">The column index.</param>
/// <returns>The column.</returns>
public IVectorD Column(int c)
{
var result = new double[rows];
for (var r = 0; r < rows; r++)
{
result[r] = GetAt(r, c);
}
return(VectorFactory.Build(ref result));
}
/// <summary>
/// Gets the row at the given index.
/// </summary>
/// <param name="r">The row index.</param>
/// <returns>The row.</returns>
public IVectorD Row(int r)
{
var result = new double[columns];
for (var c = 0; c < columns; c++)
{
result[c] = GetAt(r, c);
}
return(VectorFactory.Build(ref result));
}