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411 REFERENCE · Wikibooks

Linear Algebra and the C Language/a082

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__NOTOC__ Install and compile this file in your working directory. /* ------------------------------------ */ /* Save as: c00d.c */ /* ------------------------------------ */ #include "v_a.h" /* ------------------------------------ */ #define RA R3 #define CA C3 #define Cb C1 /* ------------------------------------ */ int main(void) { double ab[RA*(CA+Cb)]={ -804, -884, +529, +30, -783, +367, +583, -826, -804, -884, +529, +30 }; 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) The system is consistent"); p_mR(gj_PP_mR(Ab,YES), S10,P4,C7); is_system_consistent_mR(Ab); stop(); f_mR(Ab); return 0; } /* ------------------------------------ */ /* ------------------------------------ */ Screen output example: Copy/Paste into the octave window. Ab=[ -804,-884,+529,+30; -783,+367,+583,-826; -804,-884,+529,+30] rref(Ab,.00000000001) gj_PP_mR(Ab,YES) The system is consistent +1.0000 +0.0000 -0.7187 +0.7285 +0.0000 +1.0000 +0.0552 -0.6965 +0.0000 +0.0000 +0.0000 +0.0000 Press return to continue.