User Tools

Site Tools


gams:restrict_the_increments_of_a_variable_to_certain_values_only

Differences

This shows you the differences between two versions of the page.

Link to this comparison view

Next revision
Previous revision
gams:restrict_the_increments_of_a_variable_to_certain_values_only [2007/09/20 16:02]
127.0.0.1 external edit
gams:restrict_the_increments_of_a_variable_to_certain_values_only [2020/05/19 14:17]
Lutz Westermann
Line 10: Line 10:
 y2xdef .. x =E= 1 + 0.25*y; y2xdef .. x =E= 1 + 0.25*y;
 </​code>​ </​code>​
-You should note, that if your original model was an LP then the new model is a MIP model, and the solution time could be much larger. Also note, that the default upper bound on an integer variable is 100 which will translate into +You should note, that if your original model was an LP the new model is a MIP model, and the solution time could be much larger. Also note, the default upper bound on an integer variable is 100 which will translate into 
-an upper bound on x of 1+0.25*100 = 26. If you have larger x-values you can increase the upper bound on y, but rounding for large X-values does not make much sense.+an upper bound on x of 1+0.25*100 = 26. If you have larger x-values you can increase the upper bound on y or change the value of the command line parameter [[https://​www.gams.com/​latest/​docs/​UG_GamsCall.html#​GAMSAOintvarup|intVarUp]].
IMPRESSUM / LEGAL NOTICEPRIVACY POLICY gams/restrict_the_increments_of_a_variable_to_certain_values_only.txt · Last modified: 2020/05/19 14:17 by Lutz Westermann