File src/example04.red artifact 0addcc0385 part of check-in cc0ddb2883
a:=sin(x); b:=cos(x); c:=a+b; d:=c^2; % derivative df(d, x); % manual derivative 2*(a+b)*(df(a,x)+df(b,x)); end;
a:=sin(x); b:=cos(x); c:=a+b; d:=c^2; % derivative df(d, x); % manual derivative 2*(a+b)*(df(a,x)+df(b,x)); end;