public static void MatrixRandom(Matrixx a)
{
for (int i = 0; i < a.matrix.GetLength(0); i++)
{
for (int j = 0; j < a.matrix.GetLength(1); j++)
{
a.matrix[i, j] = rnd.Next(1, 10);
}
}
}
public static void Print(Matrixx a)
{
for (int i = 0; i < a.matrix.GetLength(0); i++)
{
for (int j = 0; j < a.matrix.GetLength(1); j++)
{
Console.Write($"{a.matrix[i, j]}\t");
}
Console.WriteLine("\n");
}
Console.WriteLine("\n");
}
public static Matrixx operator *(Matrixx a, int b)
{
Matrixx result = new Matrixx(a.firstSize, a.secondSize);
Console.WriteLine("The scalar multiplication is\n");
for (int i = 0; i < a.firstSize; i++)
{
for (int j = 0; j < a.secondSize; j++)
{
result.matrix[i, j] = a.matrix[i, j] * b;
}
}
return(result);
}
public static Matrixx operator -(Matrixx a, Matrixx b)
{
Matrixx result = new Matrixx(a.firstSize, b.secondSize);
if (a.firstSize != b.firstSize || a.secondSize != b.secondSize)
{
Console.WriteLine("Wrong matrix size!\n");
}
else
{
Console.WriteLine("The substraction of two matrix is \n");
for (int i = 0; i < a.matrix.GetLength(0); i++)
{
for (int j = 0; j < a.matrix.GetLength(1); j++)
{
result.matrix[i, j] = a.matrix[i, j] - b.matrix[i, j];
}
}
}
return(result);
}
static void Main(string[] args)
{
Matrixx firtsMatrix = new Matrixx(3, 3);
Matrixx.MatrixRandom(firtsMatrix);
Console.WriteLine("The first matrix is\n");
Matrixx.Print(firtsMatrix);
Matrixx secondMatrix = new Matrixx(3, 3);
Matrixx.MatrixRandom(secondMatrix);
Console.WriteLine("The second matrix is\n");
Matrixx.Print(secondMatrix);
Matrixx.Print(firtsMatrix + secondMatrix);
Matrixx.Print(firtsMatrix - secondMatrix);
Matrixx.Print(firtsMatrix * secondMatrix);
Matrixx.Print(firtsMatrix * 5);
Console.ReadLine();
}
public static Matrixx operator *(Matrixx a, Matrixx b)
{
Matrixx result = new Matrixx(a.firstSize, b.secondSize);
if (a.secondSize != b.firstSize)
{
Console.WriteLine("Wrong matrix size!\n");
}
else
{
Console.WriteLine("The multiplication of two matrix is\n");
for (int i = 0; i < a.firstSize; i++)
{
for (int j = 0; j < b.secondSize; j++)
{
for (int k = 0; k < a.secondSize; k++)
{
result.matrix[i, j] += a.matrix[i, k] * b.matrix[k, j];
}
}
}
}
return(result);
}
