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Ab : gj_PP_mR(Ab,NO) :
+1.0000 +0.0000 +0.0000 -0.6667 +0.0000
+0.0000 +1.0000 -0.5000 -0.5000 +0.0000
-0.0000 -0.0000 +1.0000 -0.6667 -0.0000
Ab_free : put_var_mR(Ab,Ab_free);
+1.0000 +0.0000 +0.0000 -0.6667 +0.0000 +0.0000
+0.0000 +1.0000 -0.5000 -0.5000 +0.0000 +0.0000
-0.0000 -0.0000 +1.0000 -0.6667 -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 +0.0000 +0.0000 -0.6667 +0.0000 +0.0000
+0.0000 +1.0000 -0.5000 -0.5000 +0.0000 +0.0000
-0.0000 -0.0000 +1.0000 -0.6667 -0.0000 +0.0000
+0.0000 +0.0000 +0.0000 +1.0000 +0.0000 +1.0000
Press return to continue.
---------------------
Ab_free : zero_below_pivot_gj1Ab_mR(Ab_free,r--);
+1.0000 +0.0000 +0.0000 +0.0000 +0.0000 +0.6667
+0.0000 +1.0000 +0.0000 +0.0000 +0.0000 +0.8333
+0.0000 +0.0000 +1.0000 +0.0000 +0.0000 +0.6667
+0.0000 +0.0000 +0.0000 +1.0000 +0.0000 +1.0000
b_free : free variables
x1 = +0.00000000 +0.66666667*u
x2 = +0.00000000 +0.83333333*u
x3 = +0.00000000 +0.66666667*u
x4 = +0.00000000 +1.00000000*u
Copy/Past These code in the next *.c file.
double x1 = +0.66666667;
double x2 = +0.83333333;
double x3 = +0.66666667;
double x4 = +1.00000000;
Press return to continue.
Mathc matrices/a197
Application
Installer et compiler ces fichiers dans votre répertoire de travail.
/* ------------------------------------ */
/* Save as : c00a.c */
int main(void)
int n = 1;
double x1 = +0.25000000;
double x2 = +1.25000000;
double x3 = +0.75000000;
double x4 = +1.00000000;
do{
clrscrn();
printf(" Continue until integers appear : \n\n\n");
printf(" n = %d -> n*x1 = %0.4f \n",n, n*x1);
printf(" n = %d -> n*x2 = %0.4f \n",n, n*x2);
printf(" n = %d -> n*x3 = %0.4f \n",n, n*x3);
printf(" n = %d -> n*x4 = %0.4f \n",n, n*x4);
n++;
}while(stop_w());
return 0;
/* ------------------------------------ */
n = 4 -> n*x1 = 1.0000
n = 4 -> n*x2 = 5.0000
n = 4 -> n*x3 = 3.0000
n = 4 -> n*x4 = 4.0000
Cela nous donne les coefficients de l'équation :
formula_1
Il suffit de remplacer les x1, x2... par leurs valeurs numériques :
formula_2
Exemple de sortie écran :
Continue until integers appear :
n = 1 -> n*x1 = 0.2500
n = 1 -> n*x2 = 1.2500
n = 1 -> n*x3 = 0.7500
n = 1 -> n*x4 = 1.0000
Press return to continue
Press X return to stop
---------------------
Continue until integers appear :
n = 2 -> n*x1 = 0.5000
n = 2 -> n*x2 = 2.5000
n = 2 -> n*x3 = 1.5000
n = 2 -> n*x4 = 2.0000
Press return to continue
Press X return to stop
---------------------
Continue until integers appear :
n = 3 -> n*x1 = 0.7500
n = 3 -> n*x2 = 3.7500
n = 3 -> n*x3 = 2.2500
n = 3 -> n*x4 = 3.0000
Press return to continue
Press X return to stop
---------------------
Continue until integers appear :
n = 4 -> n*x1 = 1.0000
n = 4 -> n*x2 = 5.0000
n = 4 -> n*x3 = 3.0000
n = 4 -> n*x4 = 4.0000
Press return to continue
Press X return to stop