aar_sub.c

一些矩阵运算的C代码实现：矩阵一般运算

/*         .h         freeware           http://groups.yahoo.com/group/mathc/ */

/* ------------------------------- INCLUDES --------------------------------- */
#include "v_ahfile.h"
/* --------------------------------- MAIN ----------------------------------- */
int main(void)
{
double pbA[3][2]=
{
  1, 2,
  3, 4,
  5, 6,
};mR mA={3,2,&pbA[0][0]};

double pbB[3][2]=
{
  5,  -4,
  2,  15,
  8,   6,
};mR mB={3,2,&pbB[0][0]};

double pbAmnsB[3][2];mR mAmnsB={3,2,&pbAmnsB[0][0]};
/*-------------------------------- PROGRAM ---------------------------------- */
 clrscrn();

 printf(" A \n");  p_mR(&mA);    printf("\n");
 printf(" B \n");  p_mR(&mB);    printf("\n");

 sub_mR(&mA,&mB,&mAmnsB);

 printf(" A-B \n");p_mR(&mAmnsB);printf("\n");

 printf("\n Press Return to continue\n");
 getchar();

 return 0;
}