Skip to main content

  | मौसम…

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

411 REFERENCE · Wikibooks

Linear Algebra and the C Language/a0nb

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: c00f.c */ /* ------------------------------------ */ #include "v_a.h" /* ------------------------------------ */ #define RA R3 #define CA C3 #define Cb C1 /* ------------------------------------ */ int main(void) { double ab[RA*(CA+Cb)]={ /* Two rows of identical A, with different b */ +515, +546, -848, +756, +515, +546, -848, +305, +628, -909, +148, -501, }; double **Ab = ca_A_mR(ab, i_Abr_Ac_bc_mR(RA,CA,Cb)); clrscrn(); printf(" Copy/Paste into the octave window.\n\n"); p_Octave_mR(Ab,"Ab",P0); printf("\n rref(Ab,.00000000001)\n\n"); printf(" gj_PP_mR(Ab,YES) :"); gj_PP_mR(Ab,YES); p_mR(Ab, S10,P4,C7); is_system_consistent_mR(Ab); stop(); f_mR(Ab); return 0; } /* ------------------------------------ */ /* ------------------------------------ */ Screen output example: Copy/Paste into the octave window. Ab=[ +515,+546,-848,+756; +515,+546,-848,+305; +628,-909,+148,-501] rref(Ab,.00000000001) gj_PP_mR(Ab,YES) : +1.0000 +0.0000 -0.8508 +0.0046 +0.0000 +1.0000 -0.7506 +0.5543 +0.0000 +0.0000 +0.0000 +451.0000 This(ese) row(s) are incompatible. row 3; The system is inconsistent. I prefer to close the program. Press return to continue.