MATRIKS PERKALIAN

#include <conio.h>

#include <iostream.h>

void main()

{

int i,j,kola,kolb,bara,barb;

int data1[25][25],data2[25][25],hasil[25][25];

char jawab;

do

{

do

{

clrscr();

cout<<"Program Perkalian Matrix"<<endl;

cout<<"======================================="<<endl;

cout<<endl;

cout<<"Input Matrix A "<<endl;

cout<<"Jumlah Baris Matrix A: "; cin>>bara;

cout<<"Jumlah Kolom Matrix A: "; cin>>kola;

cout<<endl;

cout<<"Input Matrix B"<<endl;

cout<<"Jumlah Baris Matrix B: "; cin>>barb;

cout<<"Jumlah Kolom Matrix B: "; cin>>kolb;

}

while ((kola!=kolb) || (bara!=barb));

cout<<endl;

for(i=1; i<=bara; i++)

{

for(j=1; j<=kola; j++)

{

cout<<"Data A ["<<i<<","<<j<<"]: ";cin>>data1[i][j];

}

}

cout<<endl;

for(i=1; i<=barb; i++)

{

for(j=1; j<=kolb; j++)

{

cout<<"Data B ["<<i<<","<<j<<"]: ";cin>>data2[i][j];

}

}

for(i=1; i<=bara; i++)

{

for(j=1; j<=kola; j++)

{

hasil[i][j] = (data1[i][1] * data2[1][j]) + (data1[i][2] * data2[2][j]);

}

}

cout<<endl;

clrscr();

cout<<"Hasil Perkalian Matrix A x Matrix B = Matrix C : "<<endl;

gotoxy(1,4);

cout<<"C = ";

for(i=1; i<=bara; i++)

{

for(j=1; j<=kola; j++)

{

gotoxy(2+4*j,1+2*i);

cout<<data1[i][j];

}

}

gotoxy(15,4);

cout<<" x ";

for(i=1; i<=barb; i++)

{

for(j=1; j<=kolb; j++)

{

gotoxy(16+4*j,1+2*i);

cout<<data2[i][j];

}

}

gotoxy(30,4);

cout<<" = ";

for(i=1; i<=bara; i++)

{

for(j=1; j<=kola; j++)

{

gotoxy(31+4*j,1+2*i);

cout<<hasil[i][j]<<" ";

}

cout<<endl;

}

getch();

cout<<endl;

cout<<"Mau Melakukan Perhitungan Lagi [Y/T]? : "; cin>>jawab;

}

while ((jawab == 'y') || (jawab == 'Y'));

}