public static MatrixGeneric <T> operator -(MatrixGeneric <T> firstMatrix, MatrixGeneric <T> secondMatrix)
{
MatrixGeneric <T> newMatrix = new MatrixGeneric <T>(firstMatrix.Rows, firstMatrix.Cols);
if (firstMatrix.Rows == secondMatrix.Rows && firstMatrix.Cols == secondMatrix.Cols)
{
for (int i = 0; i < newMatrix.Rows; i++)
{
for (int j = 0; j < newMatrix.Cols; j++)
{
newMatrix[i, j] = (dynamic)firstMatrix[i, j] - (dynamic)secondMatrix[i, j];
}
}
return(newMatrix);
}
else
{
throw new ArgumentException("Cannot perform operation: Different size of matrixes!");
}
}
static void Main()
{
var type = typeof(SampleForAttributes);
var attributes = type.GetCustomAttributes(false);
foreach (VersionAttribute item in attributes)
{
Console.WriteLine("Version: {0}\n", item.Version);
}
MatrixGeneric <int> matrix = new MatrixGeneric <int>(3, 3);
MatrixGeneric <int> secondMatrix = new MatrixGeneric <int>(3, 3); //Change size if you want to cause Exception
for (int i = 0; i < matrix.Rows; i++)
{
for (int j = 0; j < matrix.Cols; j++)
{
matrix[i, j] = i + j + 1; //Remove the " + 1" if you want to print the matrix, containing zeros.
secondMatrix[i, j] = 2 * (i + j + 1);
}
}
var newMatrix = secondMatrix * matrix;
//var newMatrix = secondMatrix - matrix;
//var newMatrix = secondMatrix + matrix;
if (newMatrix)
{
Console.WriteLine("Matrix doesn't contain zeros.");
}
else
{
for (int i = 0; i < newMatrix.Rows; i++)
{
for (int j = 0; j < newMatrix.Cols; j++)
{
Console.Write(newMatrix[i, j] + " ");
}
Console.WriteLine();
}
}
}