Hi! By building a model I have the following problem in defining a set. First I have a set of numbers, let's say 1 to 25. This may be defined by: set N := 1..25; Now I want to create a subset consisting only of the numbers 5, 10, 15, 20, 25. Normally, I thought it might be possible by writing: set new_N := 1..25 by 5; But this dows not work. The only solution I know is to write: set new_N := 5 10 15 20 25; But for large sets this is would take a lot of time. Thanks for your time and help! -- View this message in context: http://www.nabble.com/Problem-with-generating-a-subset-of-sets-tp20231806p20231806.html Sent from the Gnu - GLPK - Help mailing list archive at Nabble.com.
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