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%% Specify Parameter Range % Plot the parametric line % % $$\matrix{x = e^{\strut{-t/10}} \sin(5t) \cr y = e^{-t/10} \cos(5t) \cr z = t}$$ % % over the parameter range |[-10 10]| by specifying the fourth argument of % |fplot3|. syms t xt = exp(-t/10).*sin(5*t); yt = exp(-t/10).*cos(5*t); zt = t; fplot3(xt,yt,zt,[-10 10])