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t, theta = var('t, theta', domain='real') x(t) = cosh(t) z(t) = t formula = (x(t)*cos(theta), x(t)*sin(theta), z(t)) parameters = ((t, -3, 3), (theta, -pi, pi)) surface = ParametrizedSurface3D(formula, parameters) show(surface.plot(aspect_ratio=1, color='yellow')) #, viewer='threejs')
3D rendering not yet implemented