This message appears when (i) Solver has run for the maximum time (number of seconds) allowed in the Maximum Time box in the Solver Options dialog and (ii) you clicked the Stop button when Solver displayed the Show Trial Solution dialog. You may increase ...
This message will appear if Solver cannot allocate the memory it needs to solve the problem; it is very unlikely to appear on modern PCs. Also, since Microsoft Windows supports a “virtual memory” much larger than your available RAM by swapping data to yo ...
If you are solving a mixed-integer programming problem (any problem with integer constraints) with a non-zero value for the Integer Optimality % option in the Solver Options dialog, Solver has found a solution satisfying the constraints (including the int ...
If you are using the Evolutionary Solving method, this message appears when (i) Solver has found the number of feasible solutions allowed by the Maximum Feasible Solutions option in the Solver Options dialog and (ii) you clicked the Stop button when Solve ...
Users who solve problems with integer constraints occasionally report that “Solver claims it found an optimal solution, but I manually found an even better solution.” Solver now stops with the message “Solver found an integer solution within tolerance” i ...
Nonlinear optimization problems are intrinsically more difficult to solve than linear problems, and there are fewer guarantees about what kind of solution Solver can find. If your smooth nonlinear problem is convex, Solver will normally find the globally ...
Solver’s multistart methods for global optimization can overcome some of the limitations of the GRG Solving method alone, but they are not a panacea. The multistart methods will automatically run the GRG method from a number of starting points and will d ...
The Answer Report, which is available whenever a solution has been found, provides basic information about the decision variables and constraints in the model. It also gives you a quick way to determine which constraints are “binding” or satisfied with e ...
The Limits Report provides a specialized kind of “sensitivity analysis” information. It is created by re-running the Solver model with each decision variable in turn as the objective (both maximizing and minimizing), and all other variables held fixed. ...
The Population Report gives you summary information about the entire population of candidate solutions maintained by the Evolutionary Solving method at the end of the solution process. The Population Report can give you insight into the performance of th ...