Understand a dynamical figure: stable manifold, node, domain of attraction Could someone please point out where the node, saddle and stable manifold are in this figure (as indicated in the caption)? I can see there is a focus, but I am not sure about the others. Thank you in advance.
Source: http://www.staff.science.uu.nl/~kouzn101/NBA/LAB2.pdf

The focus is at the center where the flow is spiraling in.
The stable manifold is the slant line coming down from the focus.
The saddle is the intersection of the slant line and the middle trajectory.
The node is intersection of the slant with the lower trajectory.
