Add monitor function for inverse Hopf to PO (boundary event).
Toolboxes for parameter continuation and bifurcation analysis.
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#21 Add monitor function for inverse Hopf to PO (boundary event).
To avoid unneseccary recomnputation of already computed solutions, implement a test for inverse Hopf points along branches of periodic solutions. At the moment, one needs to adjust ITMX by trial and error to avoid redundant computations, while a simple test would be a lot more convenient.
A typical monitor function is f(x0(0))' * f(x1(0)), where x0 is the reference orbit and x1 is the new orbit. This monitor function will experience a sign-change at a Hopf-point. One can also transform this into an integral formulation.
In addition, extend the HB->EP restarter to allow restarting of EP continuation at inverse Hopf points.
See also [#16].
An example where this is very useful is the ABC demo attached.