[Amin_Mansouri]

[align=center]سورس محاسبه دترمینان ماتریس 3 در 3[/align]

کد:

uses wincrt;

var
   a : array[1..3,1..3] of integer;
   diter,m,f,i,j : integer;
begin
     writeln('Enter Number Of Matrix');
     for i:=1 to 3 do
         for j:= 1 to 3 do
             begin
                  writeln('Enter A[',i,j,']');
                  read(A[i,j]);
             end;

     m := ((a[1,1]*a[2,2]*a[3,3])+(a[1,2]*a[2,3]*a[3,1])+(a[1,3]*a[2,1]*a[3,2]));
     f := ((a[1,3]*a[2,2]*a[3,1])+(a[1,2]*a[2,1]*a[3,3])+(a[1,1]*a[2,3]*a[3,2]));
     diter := m-f;
     writeln;
     writeln('Determinant Of Matrix Is : ',diter);
end.