Mathc matrices/c30c
Installer et compiler ces fichiers dans votre répertoire de travail.
|
c1c.c |
|---|
/* ------------------------------------ */
/* Save as : c1c.c */
/* ------------------------------------ */
#include "v_a.h"
/* ------------------------------------ */
int main(void)
{
double a[R3*C4]={
1, 3, 3, 1,
2, 8, 1, -6,
1, 4, -6, 9,
};
double **A = ca_A_mR(a,i_mR(R3,C4));
int i = 1;
/* 1-----------------------------------
+1.000 +3.000 +3.000 +1.000
+2.000 +8.000 +1.000 -6.000
+1.000 +4.000 -6.000 +9.000
------------------------------------ */
clrscrn();
printf(" (%d) \n\n",i++);
p_mR(A,S11,P2,C6);
printf(" R2 = -2*R1 + R2 \n");addR_mR(A, -2,R1,R2);
printf(" R3 = -1*R1 + R3 \n");addR_mR(A, -1,R1,R3);
p_mR(A,S11,P2,C6);
getchar();
/* 2-----------------------------------
+1.000 +3.000 +3.000 +1.000
+0.000 +2.000 -5.000 -8.000
+0.000 +1.000 -9.000 +8.000
------------------------------------ */
clrscrn();
printf(" (%d) \n\n",i++);
p_mR(A,S11,P2,C6);
printf(" R3 = 2*R3 \n"); mulR_mR(A, 2.,R3);
printf(" R3 = -1*R2 + R3 \n");addR_mR(A,-1.,R2,R3);
p_mR(A,S11,P2,C6);
getchar();
/* 3-----------------------------------
+1.000 +3.000 +3.000 +1.000
+0.000 +2.000 -5.000 -8.000
+0.000 +0.000 -13.000 +24.000
------------------------------------ */
clrscrn();
printf(" (%d) \n\n",i++);
p_mR(A,S11,P2,C6);
printf(" R1 = 13.*R1 \n"); mulR_mR(A, 13.,R1);
printf(" R2 = 13.*R2 \n"); mulR_mR(A, 13.,R2);
printf(" R3 = -1. *R3 \n"); mulR_mR(A, -1.,R3 );
printf(" R1 = -3*R3 + R1 \n");addR_mR(A, -3.,R3,R1);
printf(" R2 = +5*R3 + R2 \n");addR_mR(A, +5.,R3,R2);
p_mR(A,S11,P2,C6);
getchar();
/* 4-----------------------------------
+13.000 +39.000 +0.000 +85.000
+0.000 +26.000 +0.000 -224.000
+0.000 +0.000 +13.000 -24.000
------------------------------------ */
clrscrn();
printf(" (%d) \n\n",i++);
p_mR(A,S11,P2,C6);
printf(" R2 = 1./2.*R2 \n");mulR_mR(A,1./2.,R2);
p_mR(A,S11,P2,C6);
getchar();
/* 5-----------------------------------
+13.000 +39.000 +0.000 +85.000
+0.000 +13.000 +0.000 -112.000
+0.000 +0.000 +13.000 -24.000
------------------------------------ */
clrscrn();
printf(" (%d) \n\n",i++);
p_mR(A,S11,P2,C6);
printf(" R1 = -3 *R2 + R1 (3*13 = 39)\n");addR_mR(A, -3.,R2,R1);
p_mR(A,S11,P2,C6);
getchar();
f_mR(A);
getchar();
return 0;
}
/* ------------------------------------ */
/* ------------------------------------ */
Exemple de sortie écran :
------------------------------------
(1)
+1.00 +3.00 +3.00 +1.00
+2.00 +8.00 +1.00 -6.00
+1.00 +4.00 -6.00 +9.00
R2 = -2*R1 + R2
R3 = -1*R1 + R3
+1.00 +3.00 +3.00 +1.00
+0.00 +2.00 -5.00 -8.00
+0.00 +1.00 -9.00 +8.00
------------------------------------
(2)
+1.00 +3.00 +3.00 +1.00
+0.00 +2.00 -5.00 -8.00
+0.00 +1.00 -9.00 +8.00
R3 = 2*R3
R3 = -1*R2 + R3
+1.00 +3.00 +3.00 +1.00
+0.00 +2.00 -5.00 -8.00
+0.00 +0.00 -13.00 +24.00
------------------------------------
(3)
+1.00 +3.00 +3.00 +1.00
+0.00 +2.00 -5.00 -8.00
+0.00 +0.00 -13.00 +24.00
R1 = 13.*R1
R2 = 13.*R2
R3 = -1. *R3
R1 = -3*R3 + R1
R2 = +5*R3 + R2
+13.00 +39.00 +0.00 +85.00
+0.00 +26.00 +0.00 -224.00
-0.00 -0.00 +13.00 -24.00
------------------------------------
(4)
+13.00 +39.00 +0.00 +85.00
+0.00 +26.00 +0.00 -224.00
-0.00 -0.00 +13.00 -24.00
R2 = 1./2.*R2
+13.00 +39.00 +0.00 +85.00
+0.00 +13.00 +0.00 -112.00
-0.00 -0.00 +13.00 -24.00
------------------------------------
(5)
+13.00 +39.00 +0.00 +85.00
+0.00 +13.00 +0.00 -112.00
-0.00 -0.00 +13.00 -24.00
R1 = -3 *R2 + R1 (3*13 = 39)
+13.00 +0.00 +0.00 +421.00
+0.00 +13.00 +0.00 -112.00
-0.00 -0.00 +13.00 -24.00