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CVRLIB offers a selection of CVRP problem instances. This function downloads the instance data and conveniently makes it available to be fed into solver functions, e.g. with clarke_wright_cvrplib(). The primary purpose for those instances is benchmarking / comparing speed as well as performance of solvers.

Usage

cvrplib_download(qualifier)

Arguments

qualifier

The qualifier of the problem instance. E.g. "tai/tai150d". This can either be inferred directly from the website or by the output of cvrplib_ls().

Value

Returns a "cvrplib_instance" object which contains CVRPLIB problem instance data.

See also

Other cvrplib: clarke_wright_cvrplib(), cvrplib_ls()