Difference between revisions of "Optimization Settings"
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*'''Note''' | *'''Note''' | ||
| − | :Values, in SEK/ha, can obviously be less than zero (negative) for stands and analysis areas in one or several periods. Make sure that this variable has a "RangeType" set to "All" (and not "Default" that only allows positive values). | + | :Values, in SEK/ha, can obviously be less than zero (negative) for stands and analysis areas in one or several periods. Make sure that this variable has a "RangeType" set to "All" (and not "Default" that only allows for positive values). |
Revision as of 10:26, 21 September 2009
In forest management planning applying a LP-optimization model, integer solutions are sometimes of interest. A stand is usually regarded as a treatment unit to be completely treated with a certain treatment in a certain period. This might be of cartain interest when it comes to short term-planning, i.e. what to do now and in the next year - couple of years.
In menu "Optimization" > "Settings...":
- The General-tab allows the user to... By selecting "Integer-round off"... Optimization results can be saved to the result database by selection or by pressing the "Discette"-button in the optimization model builder-window.
- The Lpsolve Settings-tab allows the user to... In "Mip Gap" ..., in "Time Limit"...
- The Cplex Settings-tab...
- Note
- Values, in SEK/ha, can obviously be less than zero (negative) for stands and analysis areas in one or several periods. Make sure that this variable has a "RangeType" set to "All" (and not "Default" that only allows for positive values).