MINLPLib
A Library of Mixed-Integer and Continuous Nonlinear Programming Instances
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Instance m3
Facility Layout
Formatsⓘ | ams gms mod nl osil py |
Primal Bounds (infeas ≤ 1e-08)ⓘ | |
Other points (infeas > 1e-08)ⓘ | |
Dual Boundsⓘ | 37.80000000 (ALPHAECP) 37.80000000 (ANTIGONE) 37.80000000 (BARON) 37.79999999 (BONMIN) 37.80000000 (COUENNE) 37.80000000 (LINDO) 37.80000000 (SCIP) 37.79999997 (SHOT) |
Referencesⓘ | Westerlund, Tapio and Lundqvist, Kurt, Alpha-ECP, Version 5.01 An Interactive MINLP-Solver Based on the Extended Cutting Plane Method, Tech. Rep. 01-178-A, Process Design Laboratory at Abo University, 2001. |
Applicationⓘ | Layout |
Added to libraryⓘ | 26 Oct 2004 |
Problem typeⓘ | MBNLP |
#Variablesⓘ | 26 |
#Binary Variablesⓘ | 6 |
#Integer Variablesⓘ | 0 |
#Nonlinear Variablesⓘ | 6 |
#Nonlinear Binary Variablesⓘ | 0 |
#Nonlinear Integer Variablesⓘ | 0 |
Objective Senseⓘ | min |
Objective typeⓘ | linear |
Objective curvatureⓘ | linear |
#Nonzeros in Objectiveⓘ | 4 |
#Nonlinear Nonzeros in Objectiveⓘ | 0 |
#Constraintsⓘ | 43 |
#Linear Constraintsⓘ | 37 |
#Quadratic Constraintsⓘ | 0 |
#Polynomial Constraintsⓘ | 0 |
#Signomial Constraintsⓘ | 6 |
#General Nonlinear Constraintsⓘ | 0 |
Operands in Gen. Nonlin. Functionsⓘ | |
Constraints curvatureⓘ | convex |
#Nonzeros in Jacobianⓘ | 152 |
#Nonlinear Nonzeros in Jacobianⓘ | 6 |
#Nonzeros in (Upper-Left) Hessian of Lagrangianⓘ | 6 |
#Nonzeros in Diagonal of Hessian of Lagrangianⓘ | 6 |
#Blocks in Hessian of Lagrangianⓘ | 6 |
Minimal blocksize in Hessian of Lagrangianⓘ | 1 |
Maximal blocksize in Hessian of Lagrangianⓘ | 1 |
Average blocksize in Hessian of Lagrangianⓘ | 1.0 |
#Semicontinuitiesⓘ | 0 |
#Nonlinear Semicontinuitiesⓘ | 0 |
#SOS type 1ⓘ | 0 |
#SOS type 2ⓘ | 0 |
Minimal coefficientⓘ | 5.0000e-01 |
Maximal coefficientⓘ | 1.9000e+01 |
Infeasibility of initial pointⓘ | 3.75 |
Sparsity Jacobianⓘ | |
Sparsity Hessian of Lagrangianⓘ |
$offlisting * * Equation counts * Total E G L N X C B * 44 1 0 43 0 0 0 0 * * Variable counts * x b i s1s s2s sc si * Total cont binary integer sos1 sos2 scont sint * 27 21 6 0 0 0 0 0 * FX 2 * * Nonzero counts * Total const NL DLL * 157 151 6 0 * * Solve m using MINLP minimizing objvar; Variables b1,b2,b3,b4,b5,b6,objvar,x8,x9,x10,x11,x12,x13,x14,x15,x16,x17,x18 ,x19,x20,x21,x22,x23,x24,x25,x26,x27; Binary Variables b1,b2,b3,b4,b5,b6; Equations e1,e2,e3,e4,e5,e6,e7,e8,e9,e10,e11,e12,e13,e14,e15,e16,e17,e18,e19 ,e20,e21,e22,e23,e24,e25,e26,e27,e28,e29,e30,e31,e32,e33,e34,e35,e36 ,e37,e38,e39,e40,e41,e42,e43,e44; e1.. objvar - 6*x10 - 6*x11 - 6*x12 - 6*x13 =E= 0; e2.. x22 - x23 =L= 0; e3.. 0.5*x14 - x17 + x22 =L= 0; e4.. 0.5*x14 - x22 =L= 0; e5.. 0.5*x18 - x21 + x25 =L= 0; e6.. 0.5*x18 - x25 =L= 0; e7.. 0.5*x15 - x17 + x23 =L= 0; e8.. 0.5*x15 - x23 =L= 0; e9.. 0.5*x19 - x21 + x26 =L= 0; e10.. 0.5*x19 - x26 =L= 0; e11.. 0.5*x16 - x17 + x24 =L= 0; e12.. 0.5*x16 - x24 =L= 0; e13.. 0.5*x20 - x21 + x27 =L= 0; e14.. 0.5*x20 - x27 =L= 0; e15.. - x8 + x22 - x23 =L= 0; e16.. - x8 - x22 + x23 =L= 0; e17.. - x9 + x25 - x26 =L= 0; e18.. - x9 - x25 + x26 =L= 0; e19.. - 10*b1 - 10*b2 + 0.5*x14 + 0.5*x15 - x22 + x23 =L= 0; e20.. - 10*b1 + 10*b2 + 0.5*x14 + 0.5*x15 + x22 - x23 =L= 10; e21.. 5*b1 - 5*b2 + 0.5*x18 + 0.5*x19 - x25 + x26 =L= 5; e22.. 5*b1 + 5*b2 + 0.5*x18 + 0.5*x19 + x25 - x26 =L= 10; e23.. - x10 + x22 - x24 =L= 0; e24.. - x10 - x22 + x24 =L= 0; e25.. - x11 + x25 - x27 =L= 0; e26.. - x11 - x25 + x27 =L= 0; e27.. - 10*b3 - 10*b4 + 0.5*x14 + 0.5*x16 - x22 + x24 =L= 0; e28.. - 10*b3 + 10*b4 + 0.5*x14 + 0.5*x16 + x22 - x24 =L= 10; e29.. 5*b3 - 5*b4 + 0.5*x18 + 0.5*x20 - x25 + x27 =L= 5; e30.. 5*b3 + 5*b4 + 0.5*x18 + 0.5*x20 + x25 - x27 =L= 10; e31.. - x12 + x23 - x24 =L= 0; e32.. - x12 - x23 + x24 =L= 0; e33.. - x13 + x26 - x27 =L= 0; e34.. - x13 - x26 + x27 =L= 0; e35.. - 10*b5 - 10*b6 + 0.5*x15 + 0.5*x16 - x23 + x24 =L= 0; e36.. - 10*b5 + 10*b6 + 0.5*x15 + 0.5*x16 + x23 - x24 =L= 10; e37.. 5*b5 - 5*b6 + 0.5*x19 + 0.5*x20 - x26 + x27 =L= 5; e38.. 5*b5 + 5*b6 + 0.5*x19 + 0.5*x20 + x26 - x27 =L= 10; e39.. 10/x14 - x18 =L= 0; e40.. 10/x18 - x14 =L= 0; e41.. 15/x15 - x19 =L= 0; e42.. 15/x19 - x15 =L= 0; e43.. 19/x16 - x20 =L= 0; e44.. 19/x20 - x16 =L= 0; * set non-default bounds x14.lo = 2; x14.up = 5.4772; x15.lo = 3; x15.up = 6.7081; x16.lo = 3.8; x16.up = 7.5498; x17.fx = 10; x18.lo = 1.8258; x18.up = 5; x19.lo = 2.2361; x19.up = 5; x20.lo = 2.5166; x20.up = 5; x21.fx = 5; Model m / all /; m.limrow=0; m.limcol=0; m.tolproj=0.0; $if NOT '%gams.u1%' == '' $include '%gams.u1%' $if not set MINLP $set MINLP MINLP Solve m using %MINLP% minimizing objvar;
Last updated: 2024-08-26 Git hash: 6cc1607f