Cold Start |
Contents
The Cold Start option controls the linear solver that is used by the branch-and-bound solver at each node of the solution tree when a previous solution is not present to use as a "warm start". The Warm Start option, duscussed above, determines the solver to use when a previous solution does exist.
If you pull down the drop-down box for Cold Start, you’ll find the following:
The available options are:
| • | LINGO Decides – LINGO chooses the most appropriate solver at each node. |
| • | Barrier – LINGO uses the barrier method, assuming you have purchased a license for the barrier solver. Otherwise the dual solver will be used. |
| • | Primal – LINGO uses the primal solver exclusively. |
| • | Dual – LINGO uses the dual solver exclusively. |
In general, LINGO Decides will yield the best results. However, experimentation with the other options may be fruitful.