逆矩阵CC++_C_C++_下载.zip

Inverse-matrix ============== The inverse matrix C/C++ ## Install C/C++ ```sh # OS Ubuntu # Update apt repository $ sudo apt update # Install build-essential $ sudo apt install build-essential # Check GCC version $ gcc --version # Check G++ version $ g++ --version # Output gcc/g++ (Ubuntu 9.3.0-17ubuntu1~20.04) 9.3.0 Copyright (C) 2019 Free Software Foundation, Inc. ``` ## Compile & Run > c ```sh # gcc == cc # Compiling the C program $ cc Inverse-matrix.c -o c.out # if error dl $ cc Inverse-matrix.c -o c.out -lm ``` ```bash # Run C program $ ./c.out # run with input / output file $ ./c.out < ex.in > ex.out ``` > cpp/c++ ```sh # Compiling the C++ program $ g++ Inverse-matrix.cpp -o cpp.out ``` ```bash # Run C++ program $ ./cpp.out # run with input / output file $ ./cpp.out < ex.in > ex.out ``` ## Input / Output File > example input file ```markdown # ex.in 2 // N 1 // Matrix[1][1] 9 // Matrix[1][2] 3 // Matrix[2][1] 7 // Matrix[2][2] # or 4 // N 1 9 0 5 // Matrix[1][1] Matrix[1][2] Matrix[1][3] Matrix[1][4] 3 7 0 6 // Matrix[2][1] Matrix[2][2] Matrix[2][3] Matrix[2][4] 3 7 0 5 // Matrix[3][1] Matrix[3][2] Matrix[3][3] Matrix[3][4] 1 2 8 1 // Matrix[4][1] Matrix[4][2] Matrix[4][3] Matrix[4][4] ``` > example output file ```markdown # ex.out C Program to find inverse Of matrix Enter the size of matrix N*N: ------------------------------ Enter the elements of matrix: M[1][1]: M[1][2]: M[1][3]: M[1][4]: M[2][1]: M[2][2]: M[2][3]: M[2][4]: M[3][1]: M[3][2]: M[3][3]: M[3][4]: M[4][1]: M[4][2]: M[4][3]: M[4][4]: ------------------------------ 1.0 9.0 0.0 5.0 3.0 7.0 0.0 6.0 3.0 7.0 0.0 5.0 1.0 2.0 8.0 1.0 ------------------------------ Determinant of the matrix : -160.00 ------------------------------ The inverse Of matrix is: M[1][1]: 56.0/-160.0 (-0.35) M[1][2]: 80.0/-160.0 (-0.50) M[1][3]: -152.0/-160.0 (0.95) M[1][4]: -0.0/-160.0 (0.00) M[2][1]: -24.0/-160.0 (0.15) M[2][2]: 80.0/-160.0 (-0.50) M[2][3]: -72.0/-160.0 (0.45) M[2][4]: 0.0/-160.0 (-0.00) M[3][1]: -1.0/-160.0 (0.01) M[3][2]: -10.0/-160.0 (0.06) M[3][3]: 17.0/-160.0 (-0.11) M[3][4]: -20.0/-160.0 (0.12) M[4][1]: -0.0/-160.0 (0.00) M[4][2]: -160.0/-160.0 (1.00) M[4][3]: 160.0/-160.0 (-1.00) M[4][4]: 0.0/-160.0 (-0.00) =======* THE END *======= *** Thanks for using the program! *** ```