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gams:restrict_the_increments_of_a_variable_to_certain_values_only

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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 [2008/06/19 12:59] (current)
support
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 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, but rounding for large X-values does not make much sense.
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