/// <summary>
/// Transforms a <see cref="M3__x4t__"/> to a <see cref="M3__x3t__"/> by deleting the
/// specified row and column. Internally the <see cref="M3__x4t__"/> is tarnsformed
/// to a <see cref="M4__x4t__"/> to delete the row and column.
/// </summary>
/// <param name="deleted_row">Row to delete.</param>
/// <param name="deleted_column">Column to delete.</param>
/// <returns>A <see cref="M3__x3t__"/>.</returns>
public M3__x3t__ Minor(int deleted_row, int deleted_column)
{
M4__x4t__ temp = (M4__x4t__)this;
M3__x3t__ result = new M3__x3t__();
int checked_row = 0;
for (int actual_row = 0; actual_row < 4; actual_row++)
{
int checked_column = 0;
if (actual_row != deleted_row)
{
for (int actual_column = 0; actual_column < 4; actual_column++)
{
if (actual_column != deleted_column)
{
result[checked_row, checked_column] = temp[actual_row, actual_column];
checked_column++;
}
}
checked_row++;
}
}
return(result);
}
/// <summary>
/// Multiplacation of a <see cref="Scale__x3t__"/> with a <see cref="M3__x3t__"/>.
/// </summary>
public static M3__x3t__ Multiply(Scale__x3t__ scale, M3__x3t__ mat)
{
return(new M3__x3t__(scale.X * mat.M00,
scale.X * mat.M01,
scale.X * mat.M02,
scale.Y * mat.M10,
scale.Y * mat.M11,
scale.Y * mat.M12,
scale.Z * mat.M20,
scale.Z * mat.M21,
scale.Z * mat.M22));
}
/// <summary>
/// A <see cref="M4__x4t__"/> is transformed to <see cref="M3__x3t__"/> by deleting specified row and column
/// </summary>
public M3__x3t__ Minor(int rowToDelete, int columnToDelete)
{
M3__x3t__ result = new M3__x3t__();
int checked_row = 0;
for (int actual_row = 0; actual_row < 4; actual_row++)
{
int checked_column = 0;
if (actual_row != rowToDelete)
{
for (int actual_column = 0; actual_column < 4; actual_column++)
{
if (actual_column != columnToDelete)
{
result[checked_row, checked_column] = this[actual_row, actual_column];
checked_column++;
}
}
checked_row++;
}
}
return(result);
}
