static void Main()
{
Console.WriteLine("Write a class Matrix, to hold a matrix of integers.\nOverload the operators for matrices, \nindexer for accessing the matrix content and ToString()");
int size = 0;;
do
{
Console.Write("Enter size of the matrix1 and matrix2: ");
size = int.Parse(Console.ReadLine());
} while (size <= 0);
int r1, c1, r2, c2;
c1 = r1 = r2 = c2 = size;
NewMatrix m1 = new NewMatrix(r1, c1);
Console.WriteLine("Enter the elements of the matrix1: ");
for (int i = 0; i < r1; i++)
{
for (int j = 0; j < c1; j++)
{
m1[i, j] = int.Parse(Console.ReadLine());
}
}
NewMatrix m2 = new NewMatrix(r2, c2);
Console.WriteLine("Enter the elements of the matrix2: ");
for (int i = 0; i < r2; i++)
{
for (int j = 0; j < c2; j++)
{
m2[i, j] = int.Parse(Console.ReadLine());
}
}
Console.WriteLine("Test matrices:");
Console.WriteLine(m1);
Console.WriteLine(m2);
Console.WriteLine("Addition:");
Console.WriteLine(m1 + m2);
Console.WriteLine("Subtraction:");
Console.WriteLine(m1 - m2);
Console.WriteLine("Multiplication:");
Console.WriteLine(m1 * m2);
}
public static NewMatrix operator -(NewMatrix operand1, NewMatrix operand2)
{
if (operand1.getRows() != operand2.getRows() || operand1.getCols() != operand2.getCols())
{
throw new Exception("Different dimensions");
}
NewMatrix result = new NewMatrix(operand1.getRows(), operand1.getCols());
for (int i = 0; i < operand1.aMatrix.GetLength(0); i++)
{
for (int j = 0; j < operand2.aMatrix.GetLength(1); j++)
{
result[i, j] = operand1[i, j] - operand2[i, j];
}
}
return(result);
}
public static NewMatrix operator -(NewMatrix operand1, NewMatrix operand2)
{
if (operand1.getRows() != operand2.getRows() || operand1.getCols() != operand2.getCols())
{
throw new Exception("Different dimensions");
}
NewMatrix result = new NewMatrix(operand1.getRows(), operand1.getCols());
for (int i = 0; i < operand1.aMatrix.GetLength(0); i++)
{
for (int j = 0; j < operand2.aMatrix.GetLength(1); j++)
{
result[i, j] = operand1[i, j] - operand2[i, j];
}
}
return result;
}
public static NewMatrix operator *(NewMatrix operand1, NewMatrix operand2)
{
NewMatrix result = new NewMatrix(operand1.getRows(), operand1.getCols());
for (int i = 0; i < operand1.getRows(); i++)
{
for (int j = 0; j < operand1.getRows(); j++)
{
int sum = 0;
for (int k = 0; k < operand1.getRows(); k++)
{
sum = sum + (operand1[i, k] * operand2[k, j]);
}
result[i, j] = sum;
}
}
return(result);
}
public static NewMatrix operator *(NewMatrix operand1, NewMatrix operand2)
{
NewMatrix result = new NewMatrix(operand1.getRows(), operand1.getCols());
for (int i = 0; i < operand1.getRows(); i++)
{
for (int j = 0; j < operand1.getRows(); j++)
{
int sum=0;
for (int k = 0; k < operand1.getRows(); k++)
{
sum =sum + (operand1[i, k] * operand2[k, j]);
}
result[i, j] = sum;
}
}
return result;
}
static void Main()
{
Console.WriteLine("Write a class Matrix, to hold a matrix of integers.\nOverload the operators for matrices, \nindexer for accessing the matrix content and ToString()");
int size=0;;
do
{
Console.Write("Enter size of the matrix1 and matrix2: ");
size = int.Parse(Console.ReadLine());
} while (size <= 0);
int r1, c1, r2, c2;
c1=r1=r2=c2=size;
NewMatrix m1 = new NewMatrix(r1, c1);
Console.WriteLine("Enter the elements of the matrix1: ");
for (int i = 0; i < r1; i++)
{
for (int j = 0; j < c1; j++)
{
m1[i,j] = int.Parse(Console.ReadLine());
}
}
NewMatrix m2 = new NewMatrix(r2, c2);
Console.WriteLine("Enter the elements of the matrix2: ");
for (int i = 0; i < r2; i++)
{
for (int j = 0; j < c2; j++)
{
m2[i,j] = int.Parse(Console.ReadLine());
}
}
Console.WriteLine("Test matrices:");
Console.WriteLine(m1);
Console.WriteLine(m2);
Console.WriteLine("Addition:");
Console.WriteLine(m1+m2);
Console.WriteLine("Subtraction:");
Console.WriteLine(m1-m2);
Console.WriteLine("Multiplication:");
Console.WriteLine(m1*m2);
}
