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French_Wikibooks_articles

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put_freeV_mR(Ab_free);
printf(" Ab_free : put_freeV_mR(Ab_free);");
p_mR(Ab_free,S8,P4,C10);
stop();
clrscrn();
printf(" Copy/Past into the octave window.\n\n");
p_Octave_mR(Ab_free,"Ab_free",P4);
printf("\n rref(Ab_free.00000001)\n\n");
r = rsize_R(Ab_free);
while(r>R1)
zero_below_pivot_gj1Ab_mR(Ab_free,r--);
printf(" Ab_free : zero_below_pivot_gj1Ab_mR(Ab_free,r--);");
p_mR(Ab_free,S8,P4,C10);
stop();
clrscrn();
c_Ab_b_mR(Ab_free,b_free);
printf(" b_free :");
p_mR(b_free,S8,P4,C7);
printf(" b_free : free variables");
p_freeV(b_free,S8,P4);
stop();
f_mR(Ab);
f_mR(Ab_free);
f_mR(b_free);
f_mR(b);
f_mR(A);
return 0;
/* ------------------------------------ */
Exemple de sortie écran :
A :
-1888.0000 +674.0000 -1554.0000 -262.0000
+2832.0000 -1011.0000 +2331.0000 +393.0000
-944.0000 +337.0000 -777.0000 -131.0000
-3776.0000 +1348.0000 -3108.0000 -524.0000
b :
-1184.0000
+1776.0000
-592.0000
-2368.0000
Ab :
-1888.0000, +674.0000, -1554.0000, -262.0000, -1184.0000,
+2832.0000, -1011.0000, +2331.0000, +393.0000, +1776.0000,
-944.0000, +337.0000, -777.0000, -131.0000, -592.0000,
-3776.0000, +1348.0000, -3108.0000, -524.0000, -2368.0000
Press return to continue.
Copy/Past into the octave window.
Ab=[
-1888.0000,+674.0000,-1554.0000,-262.0000,-1184.0000;
+2832.0000,-1011.0000,+2331.0000,+393.0000,+1776.0000;
-944.0000,+337.0000,-777.0000,-131.0000,-592.0000;
-3776.0000,+1348.0000,-3108.0000,-524.0000,-2368.0000]
rref(Ab.00000001)
Ab : gj_PP_mR(Ab,NO) :
+1.0000 -0.3570 +0.8231 +0.1388 +0.6271
+0.0000 +0.0000 +0.0000 +0.0000 +0.0000
+0.0000 +0.0000 +0.0000 +0.0000 +0.0000
+0.0000 +0.0000 +0.0000 +0.0000 +0.0000
Press return to continue.
---------------------
Ab_free : put_var_mR(Ab,Ab_free);
+1.0000 -0.3570 +0.8231 +0.1388 +0.6271 +0.0000 +0.0000 +0.0000
+0.0000 +0.0000 +0.0000 +0.0000 +0.0000 +0.0000 +0.0000 +0.0000
+0.0000 +0.0000 +0.0000 +0.0000 +0.0000 +0.0000 +0.0000 +0.0000
+0.0000 +0.0000 +0.0000 +0.0000 +0.0000 +0.0000 +0.0000 +0.0000
Ab_free : put_freeV_mR(Ab_free);
+1.0000 -0.3570 +0.8231 +0.1388 +0.6271 +0.0000 +0.0000 +0.0000
+0.0000 +1.0000 +0.0000 +0.0000 +0.0000 +1.0000 +0.0000 +0.0000
+0.0000 +0.0000 +1.0000 +0.0000 +0.0000 +0.0000 +1.0000 +0.0000
+0.0000 +0.0000 +0.0000 +1.0000 +0.0000 +0.0000 +0.0000 +1.0000
Press return to continue.
Copy/Past into the octave window.
Ab_free=[
+1.0000,-0.3570,+0.8231,+0.1388,+0.6271,+0.0000,+0.0000,+0.0000;
+0.0000,+1.0000,+0.0000,+0.0000,+0.0000,+1.0000,+0.0000,+0.0000;
+0.0000,+0.0000,+1.0000,+0.0000,+0.0000,+0.0000,+1.0000,+0.0000;
+0.0000,+0.0000,+0.0000,+1.0000,+0.0000,+0.0000,+0.0000,+1.0000]
rref(Ab_free.00000001)
Ab_free : zero_below_pivot_gj1Ab_mR(Ab_free,r--);
+1.0000 +0.0000 +0.0000 +0.0000 +0.6271 +0.3570 -0.8231 -0.1388
+0.0000 +1.0000 +0.0000 +0.0000 +0.0000 +1.0000 +0.0000 +0.0000
+0.0000 +0.0000 +1.0000 +0.0000 +0.0000 +0.0000 +1.0000 +0.0000
+0.0000 +0.0000 +0.0000 +1.0000 +0.0000 +0.0000 +0.0000 +1.0000
Press return to continue.
---------------------
b_free :
+0.6271 +0.3570 -0.8231 -0.1388
+0.0000 +1.0000 +0.0000 +0.0000
+0.0000 +0.0000 +1.0000 +0.0000
+0.0000 +0.0000 +0.0000 +1.0000
b_free : free variables
x1 = +0.6271 +0.3570*u -0.8231*v -0.1388*w
x2 = +0.0000 +1.0000*u +0.0000*v +0.0000*w
x3 = +0.0000 +0.0000*u +1.0000*v +0.0000*w
x4 = +0.0000 +0.0000*u +0.0000*v +1.0000*w
Press return to continue.
Mathc matrices/a120