这是GAMS里面的model例子。alan.gms ,是MILNP模型。 " C& c8 J8 Q* k1 T( C# v: m* ]! S7 L% u+ k: k8 x2 F7 H- X) L
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MODEL p1 OBJECTIVE variance) w- b; _/ V5 s4 d" D+ ?) I
TYPE RMINLP DIRECTION MINIMIZE! Q! |$ f0 i+ {0 R0 y4 e+ o
SOLVER COUENNE FROM LINE 113- i" n2 ?/ V- w: A0 T/ {- Z
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**** MODEL STATUS 19 Infeasible - No Solution ; f1 X& _6 m% J! r6 Y9 ?**** OBJECTIVE VALUE NA ( |4 T* I# P5 r 3 v2 r: P) w6 c; \ RESOURCE USAGE, LIMIT 0.000 1000.000 6 i4 X% T: O# O" M ITERATION COUNT, LIMIT 0 20000000008 t a" j, f% ~% E8 c" {; n3 H6 s( W
EVALUATION ERRORS 0 0 ) s6 ~$ G" z6 N7 c( C/ j& S7 L5 Z+ z3 `
1 }, M j: A4 G* `! X7 n表示无解吗?& Y1 T+ a! [" V2 r0 I0 G
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