f=zeroreact(x)

% Author: Housam Binous

% Finding best reactor set-up

% National Institute of Applied Sciences and Technology, Tunis, TUNISIA

% Email: [e-mail]

% This problem was solved graphically by O. Levenspiel in Chemical Reaction
% Engineering, 3rd Edition, Wiley, 1999.

function f=zeroreact(x)

f(1)=feval(@InvReact,x(1))-feval(@InvReact,x(2));
f(2)=quadl(@InvReact,1,x(1))+quadl(@InvReact,x(1),x(2))-...
    feval(@InvReact,x(1))*(x(2)-x(1));

end