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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/a0pk

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 : c00g.c */ /* ------------------------------------ */ #include "v_a.h" /* ------------------------------------ */ /* ------------------------------------ */ double **X_c_r_c_mR( double **A, int rA, double **B, int cB ) { int rc; for(rc=RC1; rc<A[R_SIZE][C0]; rc++) B[rc][cB] = A[rA][rc]; return(B); } /* ------------------------------------ */ /* ------------------------------------ */ void fun(int r) { double **A = r_mR( i_mR(r,r),99); double **B = i_mR(r,r); clrscrn(); printf(" A:"); p_mR(A, S5,P0,C10); printf(" B: Copy the row R1 of A into the column C3 of B"); c_r_c_mR(A,R1,B,C3); 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(R4); } while(stop_w()); return 0; } /* ------------------------------------ */ /* ------------------------------------ */ Copy a row of matrix A into a column of matrix B: Screen output example: A: -93 -57 +35 +36 +57 +72 -9 +77 -98 -75 +97 -23 -42 -14 -94 +3 B: Copy the row R1 of A into the column C3 of B +0 +0 -93 +0 +0 +0 -57 +0 +0 +0 +35 +0 +0 +0 +36 +0 Press return to continue Press X return to stop