This article shows a technique to write clear and efficient matrix math code in C# language. My matrix looks something like: on the diagonal are {n, n-1, n-2,...,1} and some other elements which arent really important now. Enter data in [1][0]: 15 Enter data in [0][2]: 8 It is clear that, C program has been written by me to find the Inverse of matrix for any size of square matrix.The Inverse of matrix is calculated by using few steps. The determinant of a matrix A can be denoted as det(A) and it can be called the scaling factor of the linear transformation described by the matrix in geometry. In this example, you will learn to multiply two matrices and display it using user-defined functions. Then calculate adjoint of given matrix. My problem is that I have to get determinant of a n x n matrix where n is unknown. Then, the user is asked to enter the elements of the matrix (of order r*c). This article is contributed by Aditya Ranjan.If you like GeeksforGeeks and would like to contribute, you can also write an article using contribute.geeksforgeeks.org or mail your article to contribute@geeksforgeeks.org. Enter data in [1][2]: 9 Enter data in [0][0]: 10 Write a program to input and display a matrix of size m x n, where m is the number of rows and n is the number of columns of the matrix. The simplest form of multidimensional array is the two-dimensional array. Update June 29, 2007. We can obtain matrix inverse by following method. Time complexity: O(n 3).It can be optimized using Strassen’s Matrix Multiplication. Matrix programs in C, two dimensional array read and print in c. C program to find determinant of a 2x2 matrix and 3x3 matrix. Logic to find determinant of a matrix in C programming. mat[10][10] – is a two dimensional integer array representing a matrix containing 10 rows (first index) and 10 columns (second index). Enter data in [0][3]: 11 Enter data in [1][1]: 17 C programming, exercises, solution: Write a program in C to calculate determinant of a 3 x 3 matrix. See your article appearing on the GeeksforGeeks main page and help other Geeks. A matrix is the rectangular array of numbers. Matrix representation is a method used by a computer language to store matrices of more than one dimension in memory. Matrix addition in C language to add two matrices, i.e., compute their sum and print it. Adjoint can be obtained by taking transpose of cofactor matrix of given square matrix. Here you will get C and C++ program to find inverse of a matrix. First calculate deteminant of matrix. Enter data in [2][2]: 16 C program for finding Identity matrix. The simplest form of multidimensional array is the two-dimensional array. C Program to read and print a RxC Matrix, R and C must be input by User. This article is contributed by Aditya Ranjan.If you like GeeksforGeeks and would like to contribute, you can also write an article using contribute.geeksforgeeks.org or mail your article to contribute@geeksforgeeks.org. Enter data in [0][1]: 2 To declare a two-dimensional integer array of size [x][y], you would write something as follows −. Otherwise, the matrix will overflow. if A is a Square matrix and |A|!=0, then AA’=I (I Means Identity Matrix). Read more about C Programming Language . The matrix is: 1 2 3 4 5 6 7 8 9. /*  C program to find Norm and Trace of a Matrix  */, "\nThe Normal of the given matrix is = %d \n", Welcome to Coding World | C C++ Java DS Programs, Write a C program to Addition of two Matrices, C Program to check whether a Matrix is Symmetric Matrix or not, C Program to check whether Matrix is upper triangular matrix or not, C Program to Calculate Sum of Secondary diagonal of Matrix, C Program for Sorting an Array using Shell Sort using Knuth increments, C Program for Sorting an Array using Shell Sort, C Program for Sorting an Array using Insertion Sort, C Program for Sorting an Array using Bubble Sort, C Program for Sorting an Array using Selection Sort, C++ Program to Find Quotient and Remainder of 2 numbers, Write a C++ Program to Display Number (Entered by the User), C++ program to Count number of times a function is called, Write a C program to Read and Write student records to a file, C++ Program to find Largest of three Numbers using class.