ship.gms:
Reference:
- Bracken, J, and McCormick, G P, Chapter 6. In Selected Applications of Nonlinear Programming. John Wiley and Sons, New York, 1968.
- Original source: GAMS Model of ship.gms from GAMS Model Library
Point:
* NLP written by GAMS Convert at 07/30/01 10:19:08
*
* Equation counts
* Total E G L N X
* 17 5 12 0 0 0
*
* Variable counts
* x b i s1s s2s sc si
* Total cont binary integer sos1 sos2 scont sint
* 11 11 0 0 0 0 0 0
* FX 0 0 0 0 0 0 0 0
*
* Nonzero counts
* Total const NL DLL
* 53 22 31 0
*
* Solve m using NLP minimizing objvar;
Variables x1,x2,x3,x4,x5,x6,x7,x8,x9,x10,objvar;
Equations e1,e2,e3,e4,e5,e6,e7,e8,e9,e10,e11,e12,e13,e14,e15,e16,e17;
e1.. - 0.5*x9*x4*(0.8*x7 + 0.333333333333333*x8) + x1 =E= 0;
e2.. - 0.5*x9*x5*(0.8*x7 + 0.333333333333333*x8) + x2 =E= 0;
e3.. - 0.5*x9*x6*(0.8*x7 + 0.333333333333333*x8) + x3 =E= 0;
e4.. sqr(x10 - x7) - (sqr(x8) - sqr(x9)) =E= 0;
e5.. x1 - 8.4652734375*x10 =G= 0;
e6.. x2 - 9.65006510416667*x10 =G= 0;
e7.. x3 - 8.8716796875*x10 =G= 0;
e8.. 0.5*x1*x9 - 2.2*(8.4652734375*x10)**1.33333333333333 =G= 0;
e9.. 0.5*x2*x9 - 2.2*(9.65006510416667*x10)**1.33333333333333 =G= 0;
e10.. 0.5*x3*x9 - 2.2*(8.8716796875*x10)**1.33333333333333 =G= 0;
e11.. x4 - 0.0111771747883801*x7 =G= 0.2;
e12.. x5 - 0.0137655360411427*x7 =G= 0.2;
e13.. x6 - 0.0155663872253648*x7 =G= 0.2;
e14.. x4 - 0.0111771747883801*x8 =G= 0.2;
e15.. x5 - 0.0137655360411427*x8 =G= 0.2;
e16.. x6 - 0.0155663872253648*x8 =G= 0.2;
e17.. - (0.0039*x7 + 0.0039*x8)*(495*x4 + 385*x5 + 315*x6)/x10 + objvar =E= 0;
* set non default bounds
x4.lo = 1.05;
x5.lo = 1.05;
x6.lo = 1.05;
* set non default levels
x1.l = 934.032;
x2.l = 934.032;
x3.l = 1011.868;
x4.l = 1.2;
x5.l = 1.2;
x6.l = 1.3;
x7.l = 45.8;
x8.l = 43.2;
x9.l = 30.5;
x10.l = 76.3939536510076;
* set non default marginals
Model m / all /;
m.limrow=0; m.limcol=0;
$if NOT '%gams.u1%' == '' $include '%gams.u1%'
Solve m using NLP minimizing objvar;