Mathc matrices/c12fn4
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ccn1g.c |
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/* ------------------------------------ */
/* Save as : ccn1g.c */
/* ------------------------------------ */
#include "v_a.h"
/* ------------------------------------ */
#define FACTOR_E +1.E-0
/* ------------------------------------ */
void fun(int r,int c)
{
double **A = r_mR(i_mR(r,c),9.);
double **Pinv = i_mR(c,r);
double **Ide = i_mR(r,r);
clrscrn();
printf(" Copy/Past into the octave windows \n\n\n");
p_Octave_mR(A,"A",P2);
printf("pinv(A)\n\n\n");
stop();
clrscrn();
printf(" PseudoInverse = V * invS_T * U_T ");
pseudo_Cn_mR(A,Pinv,FACTOR_E);
pE_mR(Pinv,S12,P4,C10);
printf(" Ide = A * PseudoInverse ");
mul_mR(A,Pinv,Ide);
p_mR(Ide,S10,P6,C10);
f_mR(A);
f_mR(Pinv);
f_mR(Ide);
}
/* ------------------------------------ */
int main(void)
{
time_t t;
srand(time(&t));
int i;
do
{
i = rp_I(R3)+R1;
fun(i,i+C1);
} while(stop_w());
return 0;
}
/* ------------------------------------ */
/* ------------------------------------ */
Exemple de sortie écran :
------------------------------------
Copy/Past into the octave windows
A=[
-1.00,+4.00,+1.00,-4.00,+9.00;
+7.00,+1.00,-8.00,+9.00,+3.00;
-4.00,-4.00,+3.00,-5.00,-4.00;
+4.00,-2.00,+1.00,+2.00,+1.00]
pinv(A)
Press return to continue.
------------------------------------
PseudoInverse = V * invS_T * U_T
-7.5145e-03 -1.6588e-02 -3.9953e-02 +1.4664e-01
-5.3097e-02 -1.2708e-01 -2.6301e-01 -9.8928e-02
-4.8950e-02 -1.7403e-01 -1.8433e-01 +1.4597e-01
-6.8113e-02 -3.5897e-02 -1.2879e-01 +1.0458e-02
+1.0904e-01 +5.8018e-02 +7.5698e-02 +4.8691e-02
Ide = A * PseudoInverse
+1.000000 +0.000000 -0.000000 +0.000000
+0.000000 +1.000000 -0.000000 +0.000000
-0.000000 -0.000000 +1.000000 +0.000000
-0.000000 -0.000000 -0.000000 +1.000000
Press return to continue
Press X to stop