Polynomial Planar Phase Portraits

THE LEGEND WINDOW

This window is self-explanatory. It only contains the symbols and colors that we are using to distinguish among the different singular points we may find, and also the different colours we will use to draw the separatrices, the orbits, the lines of singularities and the limit cycles. Regarding singular points we want to remark that we will denote a point as a weak focus when P4 has not determined its stability. Moreover, a non-elementary point will be a point non included in any other category.

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