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411 समाचार
Public archive edition · Attributed source reporting with original dates · AI drafts are excluded

411 REFERENCE · Wikibooks

Linear Algebra and the C Language/a0f8

Reference material by Wikibooks contributors. This retains its source identity and is not 411 news reporting.

__NOTOC__ Install and compile this file in your working directory. /* ------------------------------------ */ /* Save as : c00c.c */ /* ------------------------------------ */ #include "v_a.h" /* ------------------------------------ */ /* ------------------------------------ */ double ** X_c_mR( double **A, double **B ) { int r; int c; for (r=R1; r<A[R_SIZE][C0]; r++) for (c=C1; c<A[C_SIZE][C0]; c++) B[r][c] = A[r][c]; return(B); } /* ------------------------------------ */ /* ------------------------------------ */ void fun(int r,int c) { double **A = r_mR(i_mR(r,c),99.); double **B = i_mR(r,c); clrscrn(); printf(" A :"); p_mR(A, S5,P0,C10); printf(" B : c_mR(A,B);"); c_mR(A,B); p_mR(B, S5,P0,C10); f_mR(A); f_mR(B); } /* ------------------------------------ */ int main(void) { time_t t; srand(time(&t)); int i; do { i = rp_I(R3)+R1; fun(i,i+C1); } while(stop_w()); return 0; } /* ------------------------------------ */ /* ------------------------------------ */ Copy a matrix A into a matrix B: Screen output example: A : +8 +26 +5 -41 +90 -18 -98 +13 -58 -70 +83 -98 B : c_mR(A,B); +8 +26 +5 -41 +90 -18 -98 +13 -58 -70 +83 -98 Press return to continue Press X return to stop