Using the while loop function

How do i make a while loop to loop five times if the user does not enter the correct input?

Answer 1

[Pavel Osipov]

fa1=false; 
%fa2=true; 
k=0;
while k<5
    k=k+1;
    if fa1==false
         disp('you answer is bad, try again. ');
         disp('attempt = ');disp(5-k);
    else
        disp('you answer is good');
        break;
     end%if
end%while

[darova]

Mr. Pavel, please use special button for code inserting

[Rik]

See this page for a full explanation of the editing tools that are available.

[Pavel Osipov]

Thank you, but I don't seem to have hurt you.

[darova]

Baby don't hurt me