#include<stdio.h>
int main()
{
float a[100][100],b[100][100],c[100][100];//å®ä¹ä¸ä¸ªæ°ç»ï¼åå«åå¨ç©éµA,B,C
intm1,n1,m2,n2,i1,j1,i2,j2,i3,j3,i4,j4,k;
floats[100][100]={0};//èµå¼ä½¿æ°ç»så
ç´ åå¼å
¨é¨ä¸ºé¶
printf("请è¾å
¥ç©éµAè¡æ°m1,åæ°n1:");//è¾å
¥ç©éµAè¡æ°ï¼åæ°
scanf("%d,%d",&m1,&n1);
printf("请è¾å
¥ç©éµBè¡æ°m2,åæ°n2:");//è¾å
¥ç©éµBè¡æ°ï¼åæ°
scanf("%d,%d",&m2,&n2);
printf("\n\n");//å¦æä¸å¯ä»¥ç¸ä¹ï¼ä¸é¢å°åºç°å¤æï¼å¨æ¤æ¢è¡ï¼ä¾¿äºè§ç
if(n1!=m2)
printf("ä¸å¯ä»¥ç¸ä¹ï¼ï¼ï¼");//å¤ææ¯å¦å¯ä»¥ç¸ä¹
printf("\n\n");
if((m1>100)||(n1>100))
printf("æ°ç®è¿å¤ï¼ï¼ï¼");//æ§å¶ç©éµAå
ç´ æ°éå¨æ°ç»å®¹çº³èå´å
else
{
for(i1=1;i1<=m1;i1++)
{
for(j1=1;j1<=n1;j1++)
{
printf("a[%d][%d]=:",i1,j1);
scanf("%f",&a[i1-1][j1-1]);//è¾å
¥ç©éµAå
ç´
}
}
}
printf("\n");//åéå¼A,Bçå
ç´ è¾å
¥ï¼ä¾¿äºè§ç
if((m2>100)||(n2>100))
printf("æ°ç®è¿å¤ï¼ï¼ï¼");
else
{
for(i2=1;i2<=m2;i2++)
{
for(j2=1;j2<=n2;j2++)
{
printf("b[%d][%d]=:",i2,j2);
scanf("%f",&b[i2-1][j2-1]);//è¾å
¥ç©éµBå
ç´
}
}
}
printf("ç©éµA:\n");//è¾åºç©éµAï¼ä¾¿äºè§çï¼æ£éª
for(i3=0;i3<m1;i3++)
{
for(j3=0;j3<n1;j3++)
{
printf("%f",a[i3][j3]);
}
printf("\n");
}
printf("\n");//ä¸ç©éµBçè¾åºç»æéå¼ï¼ä¾¿äºè§ç
printf("ç©éµB:\n");//è¾åºç©éµAï¼ä¾¿äºè§çï¼æ£éª
for(i4=0;i4<m2;i4++)
{
for(j4=0;j4<n2;j4++)
{
printf("%f",b[i4][j4]);
}
printf("\n");
}
printf("\n")ï¼
printf("ç©éµC=A*B:\n");
for(i4=0;i4<m1;i4++)
{
for(j4=0;j4<n2;j4++)
{
for(k=0;k<n1;k++)
{
s[i4][j4]=s[i4][j4]+a[i4][k]*b[k][j4];//å®ä¹ç©éµä¹æ³ï¼ç¸ä¹æ¶ï¼æä¸ä¸ªææ æ¯ä¸æ ·çï¼é½ç¨k
}
c[i4][j4]=s[i4][j4];//å®ä¹ç©éµä¹æ³
printf("%f",c[i4][j4]);
if(j4==n2)
printf("\n");//æ§å¶å¨åææ å°è¾¾Næ¶æ¢è¡
}
}
return0;
}
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