/// <summary>
/// Returns the subtraction <see cref="IJuggedMatrix{T}"/> <paramref name="first"/> and
/// <see cref="IJuggedMatrix{T}"/> <paramref name="second"/>
/// </summary>
/// <param name="first">First matrix</param>
/// <param name="second">Second matrix</param>
/// <returns>
/// New <see cref="IJuggedMatrix{T}"/> - the result subtraction of matrices <paramref name="first"/> and
/// <paramref name="second"/>
/// </returns>
public static IJuggedMatrix <int> Sub(this IJuggedMatrix <int> first, IJuggedMatrix <int> second)
{
if (first.RowsCount != second.RowsCount)
{
throw new
MatrixInvalidOperationException("Can't sub second JuggedMatrix to first. Count of rows should be the same");
}
for (var i = 0; i < first.RowsCount; i++)
{
if (first.ElementsInRow(i) != second.ElementsInRow(i))
{
throw new
MatrixInvalidOperationException("Can't add second JuggedMatrix to first. Count of columns should be the same");
}
}
var juggedMatrix = new JuggedMatrix <int>(first.RowsCount,
first.CountOnEachRow()
.ToArray());
for (var i = 0; i < first.RowsCount; i++)
{
for (var j = 0; j < first.ElementsInRow(i); j++)
{
juggedMatrix[i, j] = first[i, j] - second[i, j];
}
}
return(juggedMatrix);
}
/// <summary>
/// Returns the multiplication <see cref="IJuggedMatrix{T}"/> <paramref name="matrix"/> on <see cref="decimal"/>
/// <paramref name="number"/>
/// </summary>
/// <param name="matrix">First</param>
/// <param name="number"></param>
/// <returns>
/// New <see cref="IJuggedMatrix{T}"/> - the result multiplication of matrix <paramref name="matrix"/> on
/// <paramref name="number"/>
/// </returns>
public static IJuggedMatrix <decimal> MulOnNumber(this IJuggedMatrix <decimal> matrix, decimal number)
{
var juggedMatrix = new JuggedMatrix <decimal>(matrix.RowsCount,
matrix.CountOnEachRow()
.ToArray());
for (var i = 0; i < matrix.RowsCount; i++)
{
for (var j = 0; j < matrix.ElementsInRow(i); j++)
{
juggedMatrix[i, j] = matrix[i, j] * number;
}
}
return(juggedMatrix);
}
/// <summary>
/// Returns the multiplication <see cref="IJuggedMatrix{T}"/> <paramref name="matrix"/> on <see cref="int"/>
/// <paramref name="number"/>
/// </summary>
/// <param name="matrix">First</param>
/// <param name="number"></param>
/// <returns>
/// New <see cref="IJuggedMatrix{T}"/> - the result multiplication of matrix <paramref name="matrix"/> on
/// <paramref name="number"/>
/// </returns>
public static IJuggedMatrix <string> MulOnNumber(this IJuggedMatrix <string> matrix, int number)
{
var juggedMatrix = new JuggedMatrix <string>(matrix.RowsCount,
matrix.CountOnEachRow()
.ToArray());
for (var i = 0; i < matrix.RowsCount; i++)
{
for (var j = 0; j < matrix.ElementsInRow(i); j++)
{
juggedMatrix[i, j] = matrix[i, j]
.Concat(number);
}
}
return(juggedMatrix);
}
/// <summary>
/// Returns the multiplication <see cref="IJuggedMatrix{T}"/> <paramref name="juggedMatrix"/> on <see cref="long"/>
/// <paramref name="number"/>
/// </summary>
/// <param name="juggedMatrix">First</param>
/// <param name="number"></param>
/// <returns>
/// New <see cref="IJuggedMatrix{T}"/> - the result multiplication of matrix <paramref name="juggedMatrix"/> on
/// <paramref name="number"/>
/// </returns>
public static IJuggedMatrix <long?> MulOnNumber(this IJuggedMatrix <long?> juggedMatrix, long number)
{
var newJuggedMatrix =
new JuggedMatrix <long?>(juggedMatrix.RowsCount,
juggedMatrix.CountOnEachRow()
.ToArray());
for (var i = 0; i < juggedMatrix.RowsCount; i++)
{
for (var j = 0; j < juggedMatrix.ElementsInRow(i); j++)
{
if (juggedMatrix[i, j] != null)
{
newJuggedMatrix[i, j] = juggedMatrix[i, j]
.Value
* number;
}
}
}
return(newJuggedMatrix);
}