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Kant1
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French_Wikibooks_articles

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+346.0000 +262.0000 +43.0000
-560.0000 +831.0000 -984.0000
+346.0000 +262.0000 +43.0000
b :
-578.0000
-731.0000
-578.0000
Ab :
+346.0000 +262.0000 +43.0000 -578.0000
-560.0000 +831.0000 -984.0000 -731.0000
+346.0000 +262.0000 +43.0000 -578.0000
Press return to continue.
---------------------
Copy/Past into the octave window.
Ab=[
+346.0000,+262.0000,+43.0000,-578.0000;
-560.0000,+831.0000,-984.0000,-731.0000;
+346.0000,+262.0000,+43.0000,-578.0000]
rref(Ab.00000000001)
Ab : gj_PP_mR(Ab,NO) :
+1.0000 -1.4839 +1.7571 +1.3054
+0.0000 +1.0000 -0.7286 -1.3278
+0.0000 +0.0000 +0.0000 +0.0000
Press return to continue.
---------------------
Ab_free : put_var_mR(Ab,Ab_free);
+1.0000 -1.4839 +1.7571 +1.3054 +0.0000
+0.0000 +1.0000 -0.7286 -1.3278 +0.0000
+0.0000 +0.0000 +0.0000 +0.0000 +0.0000
Ab_free : put_freeV_mR(Ab_free);
+1.0000 -1.4839 +1.7571 +1.3054 +0.0000
+0.0000 +1.0000 -0.7286 -1.3278 +0.0000
+0.0000 +0.0000 +1.0000 +0.0000 +1.0000
Press return to continue.
---------------------
Copy/Past into the octave window.
Ab_free=[
+1.0000,-1.4839,+1.7571,+1.3054,+0.0000;
+0.0000,+1.0000,-0.7286,-1.3278,+0.0000;
+0.0000,+0.0000,+1.0000,+0.0000,+1.0000]
rref(Ab_free.00000000001)
Ab_free : zero_below_pivot_gj1Ab_mR(Ab_free,r--);
+1.0000 +0.0000 +0.0000 -0.6651 -0.6760
+0.0000 +1.0000 +0.0000 -1.3278 +0.7286
+0.0000 +0.0000 +1.0000 +0.0000 +1.0000
Press return to continue.
---------------------
b_free :
-0.6651 -0.6760
-1.3278 +0.7286
+0.0000 +1.0000
b_free : free variables
x1 = -0.6651 -0.6760*v
x2 = -1.3278 +0.7286*v
x3 = +0.0000 +1.0000*v
Press return to continue.
Mathc matrices/a116
Application
Installer et compiler ces fichiers dans votre répertoire de travail.
/* ------------------------------------ */
/* Save as : c00a.c */
int main(void)
double ab[RA*(CA+C1)]={
-944, +337, -777, -131, -592,
-944, +337, -777, -131, -592,
+509, +581, -475, -544, -649,
+69, +777, -245, -51, +974
double **Ab = ca_A_mR(ab,i_Abr_Ac_bc_mR(RA,CA,Cb));
double **A = c_Ab_A_mR(Ab,i_mR(RA,CA));
double **b = c_Ab_b_mR(Ab,i_mR(RA,Cb));
double **Ab_free = i_Abr_Ac_bc_mR(csize_A_R(Ab),csize_A_R(Ab),Cb+C1);
double **b_free = i_mR(rsize_R(Ab_free),csize_b_R(Ab_free));
int r;
clrscrn();
printf(" A :");
p_mR(A,S10,P4,C10);
printf(" b :");
p_mR(b,S10,P4,C10);
printf(" Ab :");
p_mR(Ab,S10,P4,C10);
stop();
clrscrn();
printf(" Copy/Past into the octave window.\n\n");
p_Octave_mR(Ab,"Ab",P4);
printf("\n rref(Ab.00000000001)\n\n");
printf(" Ab : gj_PP_mR(Ab,NO) :");
gj_PP_mR(Ab,NO);
p_mR(Ab,S10,P4,C10);
stop();
clrscrn();
put_var_mR(Ab,Ab_free);
printf(" Ab_free : put_var_mR(Ab,Ab_free);");
p_mR(Ab_free,S10,P4,C10);
put_freeV_mR(Ab_free);
printf(" Ab_free : put_freeV_mR(Ab_free);");
p_mR(Ab_free,S10,P4,C10);