PERKALIAN DAN PENJUMLAHAN MATRIK DALAM C++

#include

#include

#include

class matriks{

friend istream& operator>>(istream&, matriks&);

friend ostream& operator<<(ostream&, matriks&);

public:

void baca_matriks();

void matriks_jumlah(const matriks&, const matriks&);

void perkalian_matriks(const matriks&, const matriks&);

void cetak_matriks();

private:

int baris, kolom;

int A[10][10];

};

void matriks::baca_matriks(){

int i,j;

for(i=0; i

for(j=0;j

cout<<"Data["<

cin>>A[i][j];

}

}

void matriks::matriks_jumlah(const matriks& matriks1, const matriks& matriks2){

int i,j;

baris=matriks1.baris;

kolom=matriks1.kolom;

for(i=0;i

for(j=0;j

A[i][j]=matriks1.A[i][j]+matriks2.A[i][j];

//cetak_matriks();

cout <

}

void matriks::perkalian_matriks(const matriks& matriks1, const matriks& matriks2){

int i,j,k;

int barkol;

baris=matriks1.baris;

kolom=matriks1.kolom;

barkol=matriks1.kolom;

for(i=0;i

for(j=0;j

A[i][j]=0;

for(k=0;k

A[i][j]+=matriks1.A[i][k]*matriks2.A[k][j];

}

// cetak_matriks();

}

void matriks::cetak_matriks(){

int i,j;

for(i=0;i

for(j=0;j

cout<

cout <

}

}

istream& operator>>(istream& in, matriks& A){

cout<<"Banyak baris : ";

in>>A.baris;

cout<<"Banyak kolom : ";

in>>A.kolom;

cout<<"Masukkan data matriks\n";

A.baca_matriks();

cout<<"matriks yang dibuat adalah : \n";

A.cetak_matriks();

return in;

}

ostream& operator<<(ostream& out, matriks& A){

int i,j;

for(i=0;i

{

for(j=0;j

cout <

}

return out;

}

main(){

matriks matriks1, matriks2;

matriks jumlah;

cout<< "Masukkan data matriks I\n";

cin>>matriks1;

cout<<"Masukkan data matriks II\n";

cin>>matriks2;

jumlah.matriks_jumlah(matriks1, matriks2);

cout<<"Hasil penjumlahan : \n";

jumlah.cetak_matriks();

jumlah.perkalian_matriks(matriks1,matriks2);

cout<<"Hasil perkalian : \n";

jumlah.cetak_matriks();

return 0;

};