//Add two matrices
public void AddMatrix(Matrix2x2 otherMatrix)
{
double _e11, _e12, _e21, _e22;
_e11 = e11 + otherMatrix.e11;
_e12 = e12 + otherMatrix.e12;
_e21 = e21 + otherMatrix.e21;
_e22 = e22 + otherMatrix.e22;
Console.WriteLine(_e11 + " " + _e12 + "\n" + _e21 + " " + _e22);
}
//Subtract two matrices
public void SubtractMatrix(Matrix2x2 otherMatrix)
{
double _e11, _e12, _e21, _e22;
_e11 = e11 - otherMatrix.e11;
_e12 = e12 - otherMatrix.e12;
_e21 = e21 - otherMatrix.e21;
_e22 = e22 - otherMatrix.e22;
Console.WriteLine(_e11 + " " + _e12 + "\n" + _e21 + " " + _e22);
}
static void Main(string[] args)
{
try
{
int op; // variable to hold option
char ch; // var to hold choice
double e11, e12, e21, e22; //vars to hold vector values and scalar value
Matrix2x2 matrix = new Matrix2x2();
do
{
//user input for matrix2x2
Console.Write("Input a value for row 1 and column 1: ");
e11 = Convert.ToDouble(Console.ReadLine());
Console.Write("Input a value for row 1 and column 2: ");
e12 = Convert.ToDouble(Console.ReadLine());
Console.Write("Input a value for row 2 and column 1: ");
e21 = Convert.ToDouble(Console.ReadLine());
Console.Write("Input a value for row 2 and column 2: ");
e22 = Convert.ToDouble(Console.ReadLine());
matrix = new Matrix2x2(e11, e12, e21, e22);
Console.WriteLine(e11 + " " + e12 + "\n" + e21 + " " + e22);
//Options
Console.WriteLine("Matrix2x2\n1.Add Matrix\n2.Subtract Matrix\n3.Set Scaling Matrix\n4.Quit");
Console.WriteLine("\nEnter your choice: "); //user option
op = Convert.ToInt32(Console.ReadLine());
//switching the options
switch (op)
{
case 1:
Console.Write("Input a value for row 1 and column 1: ");
e11 = Convert.ToDouble(Console.ReadLine());
Console.Write("Input a value for row 1 and column 2: ");
e12 = Convert.ToDouble(Console.ReadLine());
Console.Write("Input a value for row 2 and column 1: ");
e21 = Convert.ToDouble(Console.ReadLine());
Console.Write("Input a value for row 2 and column 2: ");
e22 = Convert.ToDouble(Console.ReadLine());
Matrix2x2 otherMatrix = new Matrix2x2(e11, e12, e21, e22);
matrix.AddMatrix(otherMatrix);
break;
case 2:
Console.Write("Input a value for row 1 and column 1: ");
e11 = Convert.ToDouble(Console.ReadLine());
Console.Write("Input a value for row 1 and column 2: ");
e12 = Convert.ToDouble(Console.ReadLine());
Console.Write("Input a value for row 2 and column 1: ");
e21 = Convert.ToDouble(Console.ReadLine());
Console.Write("Input a value for row 2 and column 2: ");
e22 = Convert.ToDouble(Console.ReadLine());
Matrix2x2 otherMatrix1 = new Matrix2x2(e11, e12, e21, e22);
matrix.SubtractMatrix(otherMatrix1);
break;
case 3:
double scaleX, scaleY;
Console.Write("Enter value to Scale X: ");
scaleX = Convert.ToDouble(Console.ReadLine());
Console.Write("Enter value to Scale Y: ");
scaleY = Convert.ToDouble(Console.ReadLine());
matrix.SetScalingMatrix(scaleX, scaleY);
break;
case 4:
//exit the applications
Environment.Exit(0);
break;
default:
//if invalid input is entered
Console.WriteLine("Invalid Input! Try again.");
break;
}
//users' choice to continue
Console.WriteLine("\nContinue?(y/n)");
ch = Convert.ToChar(Console.ReadLine());
}
//if it is 'yes' continue the program
while (ch == 'y' || ch == 'Y');
}
//catching exception and displaying error
catch (Exception e)
{
Console.WriteLine("Error encountered: " + e.Message + "\nRun the program again! Press any key.");
Console.ReadKey();
}
}
