[ GLOBAL World Home | GLOBALLib | Contact ]

## 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;