Hello Andrew,
sets of sets are not to be properly supported by GLPK:
The for statement does not support set of sets:
set M{1..2};
solve;
for {m in M}
display m;
data;
set M[1] := 1 2;
set M[2] := A B C;
results in
M must be subscripted
Setof does not support set of sets:
set M := setof{ i
Hello Andrew,
I would like to be able to create a set of sets from data read with the
table statement.
Can this be achieved with the current syntax?
Best regards
Xypron
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Sent from the Gnu - GLPK -
I would like to be able to create a set of sets from data read with the
table statement.
Can this be achieved with the current syntax?
Yes, though currently this cannot be performed efficiently for large
sets.
First you read data, say, in the following plain set:
set RAW, dimen 3;
and then
I am writing a timetabling program in GMPL and I #39;d like to
write some incompatibility constraints of courses generally, e.g. I
want to say that no more than 1 of {A1, A2, A3} can appear in the same
slot, and no more than 1 of {B1, B2} can appear in the same slot
something like..
set
