%% Graph the Inverse Secant
% Graph the inverse secant over the domains 1 \le x \le 5 and -5 \le x \le -1.

x1 = -5:0.01:-1;
x2 = 1:0.01:5;
plot(x1,asec(x1),x2,asec(x2)), grid on

% Copyright 2015 The MathWorks, Inc.