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Lin Kernighan and Record to Record need more work to handle starting node
Branch and Bound seems doable but I would need more help
Add support for creating random solutions respecting starting and ending nodes, if provided.
Ensure `x0` and either `starting_node` or `ending_node` can be provided as long as they match the first or last node of `x0`.
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Description
The available solvers provide solutions that always start at
0, with the exception of heuristic solverssolve_tsp_local_searchandsolve_tsp_simulated_annealingin case the user provides an initial solutionx0, in which case it will respect the initial point ofx0.Adding support for any starting node seems to be a typical desired functionality as per the discussion in #21 and in #32.
Work to be done
x0if provided.Support for @luanleonardo's solvers will much likely require his help.