perkalian menggunakan matriks

program perkalian_matriks;
uses wincrt;
var
a,b,c:array[1..25,1..25] of real;
d,e,f,i,j,k:byte;
begin
clrscr;
gotoxy(30,1);writeln(‘===========================’);
gotoxy(30,2);writeln(‘”Program Perkalian Matriks”‘);
gotoxy(30,3);writeln(‘===========================’);
writeln;
write(‘jumlah baris matrik pertama = ‘);readln(d);
write(‘jumlah kolom matrik pertama/baris matrik kedua = ‘);readln(e);
write(‘jumlah kolom matrik kedua = ‘);readln(f);
writeln;
writeln(‘matrik yang pertama’);
for i:=1 to d do
begin
for j:=1 to e do
begin
write(‘nilai[',i,',',j,']?’);readln(a[i,j]);
end;
writeln;
end;
writeln(‘matrik yang kedua’);
for i:=1 to e do
begin
for j:=1 to f do
begin
write(‘nilai[',i,',',j,']?’);readln(b[i,j]);
end;
writeln;
end;
for i:=1 to d do
begin
for j:=1 to f do
begin
c[i,j]:=0;
for k:=1 to e do
c[i,j]:=c[i,j]+a[i,k]*b[k,j];
end;
end;
clrscr;
writeln(‘matrik yang pertama’);
for i:=1 to d do
begin
write(‘|’);
for j:=1 to e do
begin
write(a[i,j]:9:2);
end;
write(‘|’);
writeln;
end;
writeln(‘matrik yang kedua’);
for i:=1 to e do
begin
write(‘|’);
for j:=1 to f do
begin
write(b[i,j]:9:2);
end;
write(‘|’);
writeln;
end;
writeln(‘hasil dari perkalian matrik : ‘);
writeln;
for i:=1 to d do
begin
write(‘|’);
for j:=1 to f do
write(c[i,j]:9:2);
write(‘|’);
writeln;
end;
end.
               sumber: http://umisyarifahnurrohmah.wordpress.com/2009/12/11/perkalian-matriks-dengan-pascal/