How To Create Matrix In C#
In this article, we will learn:
- Create a Matrix in C#
- Matrix Addition in C#
- Matrix Subtraction in C#
- Matrix Multiplication in C#
- Transpose a Matrix in C#
Let's start with how to create a matrix in C#.
1. Creation Of Matrix in C# :
class MatrixProgram { public static void Main(string[] args) { { int i, j; int[,] arr1 = new int[3, 3]; Console.Write("\n\nRead a 2D array of size 3x3 and print the matrix :\n"); Console.Write("------------------------------------------------------\n"); /* Stored values into the array*/ Console.Write("Input elements in the matrix :\n"); for (i = 0; i < 3; i++) { for (j = 0; j < 3; j++) { Console.Write("element - [{0},{1}] : ", i, j); arr1[i, j] = Convert.ToInt32(Console.ReadLine()); } } Console.Write("\nThe matrix is : \n"); for (i = 0; i < 3; i++) { Console.Write("\n"); for (j = 0; j < 3; j++) Console.Write("{0}\t", arr1[i, j]); } Console.Write("\n\n"); } } } Output:
Read a 2D array of size 3×3 and print the matrix :
—————————————————–
Input element in the matrix :
element – [0,0] : 1
element – [0,1] : 2
element – [0,2] : 3
element – [1,0] : 4
element – [1,1] : 5
element – [1,2] : 6
element – [2,0] : 7
element – [2,1] : 8
element – [2,2] : 9
The matrix is:
1 2 3
4 5 6
7 8 9
Press any key to continue…
2. Matrix addition in C# :
class MatrixAddition { public static void Main(string[] args) { int m, n, i, j; Console.Write("Enter Number Of Rows And Columns Of Matrices A and B : "); m = Convert.ToInt16(Console.ReadLine()); n = Convert.ToInt16(Console.ReadLine()); int[,] A = new int[10, 10]; Console.Write("\nEnter The First Matrix : "); for (i = 0; i < m; i++) { for (j = 0; j < n; j++) { A[i, j] = Convert.ToInt16(Console.ReadLine()); } } int[,] B = new int[10, 10]; Console.Write("\nEnter The Second Matrix:"); for (i = 0; i < m; i++) { for (j = 0; j < n; j++) { B[i, j] = Convert.ToInt16(Console.ReadLine()); } } Console.Clear(); Console.WriteLine("\nMatrix A : "); for (i = 0; i < m; i++) { for (j = 0; j < n; j++) { Console.Write(A[i, j] + "\t"); } Console.WriteLine(); } Console.WriteLine("\nMatrix B: "); for (i = 0; i < m; i++) { for (j = 0; j < n; j++) { Console.Write(B[i, j] + "\t"); } Console.WriteLine(); } int[,] C = new int[10, 10]; for (i = 0; i < m; i++) { for (j = 0; j < n; j++) { C[i, j] = A[i, j] + B[i, j]; } } Console.Write("\nSum Matrix :"); for (i = 0; i < m; i++) { for (j = 0; j < n; j++) { Console.Write(C[i, j] + "\t"); } Console.WriteLine(); } Console.Read(); } } Output:
Enter Number Of Rows And Columns Of Matrices A and B :3
2
Enter The First Matrix :5
4
8
6
1
3
Enter The Second Matrix :9
2
8
6
3
0
Sum Matrix:14 6
16 12
4 3
3. Matrix Subtraction in C# :
class MatrixSubtraction { public static void Main(string[] args) { int m, n, i, j; Console.Write("Enter Number Of Rows And Columns Of Matrices A and B : "); m = Convert.ToInt16(Console.ReadLine()); n = Convert.ToInt16(Console.ReadLine()); int[,] A = new int[10, 10]; Console.Write("\nEnter The First Matrix : "); for (i = 0; i < m; i++) { for (j = 0; j < n; j++) { A[i, j] = Convert.ToInt16(Console.ReadLine()); } } int[,] B = new int[10, 10]; Console.Write("\nEnter The Second Matrix:"); for (i = 0; i < m; i++) { for (j = 0; j < n; j++) { B[i, j] = Convert.ToInt16(Console.ReadLine()); } } Console.Clear(); Console.WriteLine("\nMatrix A : "); for (i = 0; i < m; i++) { for (j = 0; j < n; j++) { Console.Write(A[i, j] + "\t"); } Console.WriteLine(); } Console.WriteLine("\nMatrix B: "); for (i = 0; i < m; i++) { for (j = 0; j < n; j++) { Console.Write(B[i, j] + "\t"); } Console.WriteLine(); } int[,] C = new int[10, 10]; for (i = 0; i < m; i++) { for (j = 0; j < n; j++) { C[i, j] = A[i, j] - B[i, j]; } } Console.Write("\nDifference Matrix :"); for (i = 0; i < m; i++) { for (j = 0; j < n; j++) { Console.Write(C[i, j] + "\t"); } Console.WriteLine(); } Console.Read(); } } Output:
Enter Number Of Rows And Columns Of Matrices A and B : 2
3
Enter The First Matrix :7
6
9
4
8
2
Enter The Second Matrix :6
9
1
2
5
7
Matrix A:
7 6 9
4 8 2
Matrix B:
6 9 1
2 5 7
Difference Matrix:
1 -3 8
2 3 -5
4. Matrix Multiplication in C# :
class MatrixMultiplication { public static void Main(string[] args) { int i, j, m, n; Console.WriteLine("Enter the Number of Rows and Columns : "); m = Convert.ToInt32(Console.ReadLine()); n = Convert.ToInt32(Console.ReadLine()); int[,] a = new int[m, n]; Console.WriteLine("Enter the First Matrix"); for (i = 0; i < m; i++) { for (j = 0; j < n; j++) { a[i, j] = int.Parse(Console.ReadLine()); } } Console.WriteLine("First matrix is:"); for (i = 0; i < m; i++) { for (j = 0; j < n; j++) { Console.Write(a[i, j] + "\t"); } Console.WriteLine(); } int[,] b = new int[m, n]; Console.WriteLine("Enter the Second Matrix"); for (i = 0; i < m; i++) { for (j = 0; j < n; j++) { b[i, j] = int.Parse(Console.ReadLine()); } } Console.WriteLine("Second Matrix is :"); for (i = 0; i < 2; i++) { for (j = 0; j < 2; j++) { Console.Write(b[i, j] + "\t"); } Console.WriteLine(); } Console.WriteLine("Matrix Multiplication is :"); int[,] c = new int[m, n]; for (i = 0; i < m; i++) { for (j = 0; j < n; j++) { c[i, j] = 0; for (int k = 0; k < 2; k++) { c[i, j] += a[i, k] * b[k, j]; } } } for (i = 0; i < m; i++) { for (j = 0; j < n; j++) { Console.Write(c[i, j] + "\t"); } Console.WriteLine(); } Console.ReadKey(); } } Output:
Enter the number of Rows and Columns:2
3
Enter the First Matrix:
7
6
1
2
3
8
First Matrix is :
7 6 1
2 3 8
Enter the Second Matrix:
4
9
1
7
3
8
Second Matrix is :
4 9
7 3
Matrix multiplication is :
70 81 55
29 27 26
5. Transpose of a matrix:
Transpose of a matrix is formed by turning all rows of a matrix into columns and columns into rows.
class MatrixTranspose { public static void Main(string[] args) { int m, n, i, j; Console.Write("Enter the Order of the Matrix : "); m = Convert.ToInt16(Console.ReadLine()); n = Convert.ToInt16(Console.ReadLine()); int[,] A = new int[10, 10]; Console.Write("\nEnter The Matrix Elements : "); for (i = 0; i < m; i++) { for (j = 0; j < n; j++) { A[i, j] = Convert.ToInt16(Console.ReadLine()); } } Console.Clear(); Console.WriteLine("\nMatrix A : "); for (i = 0; i < m; i++) { for (j = 0; j < n; j++) { Console.Write(A[i, j] + "\t"); } Console.WriteLine(); } Console.WriteLine("Transpose Matrix : "); for (i = 0; i < m; i++) { for (j = 0; j < n; j++) { Console.Write(A[j, i] + "\t"); } Console.WriteLine(); } Console.Read(); } } Output:
Enter the Order of the Matrix :2
3
Enter the Matrix Elements:
7
2
9
1
6
3
Matrix A:
7 2 9
1 6 3
Transpose Matrix:
7 1 0
2 6 0
9 3 0
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How To Create Matrix In C#
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