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%% Graph of Hyperbolic Cotangent % Plot the hyperbolic cotangent 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,coth(x1),x2,coth(x2)) grid on