#include <stdio.h>
#include <stdlib.h>
int main()
{
int rowlength,collength;
int row=0,col=0;
FILE* file;
file
= fopen("macierz.txt", "r");
printf("Podaj ilosc wierszy ");
printf("Podaj ilosc kolumn ");
int tab[rowlength][collength], tab1[rowlength][collength];
printf("Elementy w pliku\n\n");
while( fscanf( file
, "%d,", &tab
[row
][col
] ) != EOF
)
{
col++;
if(col==3 && row==2) // Ten warunek == wypelnieniem calej tabeli wartoœciami z 1 macierzy.
{
row=0;
col=0;
while( fscanf( file
, "%d,", &tab1
[row
][col
] ) != EOF
)
{
printf("%d ", tab1
[row
][col
]);
col++;
if(col==3)
{
col=0;
row++;
}
}
}
if(col==3)
{
col=0;
row++;
}
}
mnozeniemacierzy(3,3,tab, tab1);
return 0;
}
int mnozeniemacierzy(int n, int m , int tab[n][m],int tab1[n][m])
{
int i,j;
int tab2[n][m];
printf("Wynik mnozenia pierwszej macierzy przez druga:\n\n");
for(i=0; i<3; i++)
{
tab2[0][i] = tab[0][0]*tab1[0][i]+tab[0][1]*tab1[1][i]+tab[0][2]*tab1[2][i];
}
for(i=0; i<3; i++)
{
tab2[1][i] = tab[1][0]*tab1[0][i]+tab[1][1]*tab1[1][i]+tab[1][2]*tab1[2][i];
}
for(i=0; i<3; i++)
{
tab2[2][i] = tab[2][0]*tab1[0][i]+tab[2][1]*tab1[1][i]+tab[2][2]*tab1[2][i];
}
for(i=0; i<3; i++)
{
for(j=0; j<3; j++)
{
}
}
zapisywanie(tab2);
}
void zapisywanie (int tab2[3][3])
{
int i,j;
FILE* file2;
file2
= fopen("wynik.txt", "w");
if(file2
==NULL
) printf("Nie moge otworzyc!"); //zapisanie do pliku
else
{
for(i=0; i<3; i++)
{
for(j=0; j<3; j++)
{
}
}
}
}
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