function [value,isterminal,direction] = exam4e(x,y,Z)
% Compute the maxima by finding where the first derivatives vanish.
% Note that with three solution components, there are three event
% functions. The derivative is evaluated using the DDE.
value = exam4f(x,y,Z);
% None of the events is terminal.
isterminal = zeros(3,1);
% Maxima occur where the derivative is going from a positive to a
% negative value.
direction = -ones(3,1);