fig07.htm

Figure 7. Phase portrait of dynamic system (C.14). Two different singular points, saddle (to the left) and center (to the left), lie on the abscissa axis. "Large" and "small" trajectories are distinguishable. Their respective areas are differently shaded. Dotted shading indicates periodical solutions. The separatrix coming to and going away from the saddle corresponds to the solution in an infinite region.


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