I found that in solver. The position of the reputed slave in England was undefined and doubtful. Philothea Lydia Maria Child.
It it something like a syntax error in specifying the constraint? At the top of this page, the possibilities of the return status are shown, but it doesn't seem to explain what they mean.
Post as a guest Name. Not Solved Is the default setting before a problem has been solved.
Now she is preparing to take an as of yet undefined role with Ready for Warren. Related Words for undefined ambiguous , unclear , fuzzy , boundless , endless , enduring , forever , limitless , perpetual , unending , vast , dim , hazy , indeterminate , muddy , obscure , unspecific.
These solvers have a "presolve" step and then a solve step; if the infeasibility is detected in presolve it will return "Undefined", if it's detected in the solve step it will return "Infeasible". And here is the source for the presolve issue.
This may happen when infeasibility is detected by the mip preprocessor not by the mip solver , which erroneously does not change the mip solution status, so it remains undefined.
Instead he left the door open to an undefined role in public life after a period of rest.