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--- gams:formulate_a_constraint_with_a_condition [2010/07/19 14:36]
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+++ gams:formulate_a_constraint_with_a_condition [2010/07/19 14:50] (current)
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 min x, subject to x > 0 ? Is it 1.e-10 or 1.e-20 or something smaller.
 </code>
-Optimization theory is usually concerned with bounded closed sets where closed means that the boundary is part of the feasible set. Thus is no difference between ''<'' and ''< ='' for continuous variables when dealing with numerical algorithms. For discrete variables, the constraints mean exactly what they say. ''=L='' means ''< ='', thus a constraint with an integer variable ''=L= 9'' means it can be less or equal to 9. If you want it to be less than 9, write the constraint as ''=L= 8''.
+Optimization theory is usually concerned with bounded closed sets where closed means that the boundary is part of the feasible set. Thus there is no difference between ''<'' and ''< ='' for continuous variables when dealing with numerical algorithms. For discrete variables, the constraints mean exactly what they say. ''=L='' means ''< ='', thus a constraint with an integer variable ''=L= 9'' means it can be less or equal to 9. If you want it to be less than 9, write the constraint as ''=L= 8''.

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