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    %% Graph of Hyperbolic Cosecant 
%
%%
% Plot the hyperbolic cosecant over the domain $-\pi < x < 0$ and $0 < x <
% \pi.$

% Copyright 2015 The MathWorks, Inc.

x1 = -pi+0.01:0.01:-0.01;
x2 = 0.01:0.01:pi-0.01;
plot(x1,csch(x1),x2,csch(x2)), grid on