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A Library of Mixed-Integer and Continuous Nonlinear Programming Instances
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Instance st_qpc-m3b
| Formatsⓘ | ams gms lp mod nl osil pip py |
| Primal Bounds (infeas ≤ 1e-08)ⓘ | |
| Other points (infeas > 1e-08)ⓘ | |
| Dual Boundsⓘ | -0.00000000 (ANTIGONE) 0.00000000 (BARON) 0.00000000 (COUENNE) 0.00000000 (CPLEX) 0.00000000 (GUROBI) -0.00000000 (LINDO) 0.00000000 (SCIP) |
| Referencesⓘ | Tawarmalani, M and Sahinidis, N V, Convexification and Global Optimization in Continuous and Mixed-Integer Nonlinear Programming: Theory, Algorithms, Software, and Applications, Kluwer, 2002. Shectman, J P, Finite Algorithms for Global Optimization of Concave Programs and General Quadratic Programs, PhD thesis, Department of Mechanical and Industrial Engineering, University of Illinois, Urbana Champagne, 1999. |
| Sourceⓘ | BARON book instance iqp/qpc-m3b |
| Added to libraryⓘ | 03 Sep 2002 |
| Problem typeⓘ | QP |
| #Variablesⓘ | 10 |
| #Binary Variablesⓘ | 0 |
| #Integer Variablesⓘ | 0 |
| #Nonlinear Variablesⓘ | 10 |
| #Nonlinear Binary Variablesⓘ | 0 |
| #Nonlinear Integer Variablesⓘ | 0 |
| Objective Senseⓘ | min |
| Objective typeⓘ | quadratic |
| Objective curvatureⓘ | concave |
| #Nonzeros in Objectiveⓘ | 10 |
| #Nonlinear Nonzeros in Objectiveⓘ | 10 |
| #Constraintsⓘ | 10 |
| #Linear Constraintsⓘ | 10 |
| #Quadratic Constraintsⓘ | 0 |
| #Polynomial Constraintsⓘ | 0 |
| #Signomial Constraintsⓘ | 0 |
| #General Nonlinear Constraintsⓘ | 0 |
| Operands in Gen. Nonlin. Functionsⓘ | |
| Constraints curvatureⓘ | linear |
| #Nonzeros in Jacobianⓘ | 97 |
| #Nonlinear Nonzeros in Jacobianⓘ | 0 |
| #Nonzeros in (Upper-Left) Hessian of Lagrangianⓘ | 100 |
| #Nonzeros in Diagonal of Hessian of Lagrangianⓘ | 10 |
| #Blocks in Hessian of Lagrangianⓘ | 1 |
| Minimal blocksize in Hessian of Lagrangianⓘ | 10 |
| Maximal blocksize in Hessian of Lagrangianⓘ | 10 |
| Average blocksize in Hessian of Lagrangianⓘ | 10.0 |
| #Semicontinuitiesⓘ | 0 |
| #Nonlinear Semicontinuitiesⓘ | 0 |
| #SOS type 1ⓘ | 0 |
| #SOS type 2ⓘ | 0 |
| Minimal coefficientⓘ | 4.5000e-01 |
| Maximal coefficientⓘ | 2.8000e+02 |
| Infeasibility of initial pointⓘ | 0 |
| Sparsity Jacobianⓘ | ![]() |
| Sparsity Hessian of Lagrangianⓘ | ![]() |
$offlisting
*
* Equation counts
* Total E G L N X C B
* 11 1 0 10 0 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
*
* Nonzero counts
* Total const NL DLL
* 108 98 10 0
*
* Solve m using NLP minimizing objvar;
Variables x1,x2,x3,x4,x5,x6,x7,x8,x9,x10,objvar;
Positive Variables x1,x2,x3,x4,x5,x6,x7,x8,x9,x10;
Equations e1,e2,e3,e4,e5,e6,e7,e8,e9,e10,e11;
e1.. 20*x1 + 20*x2 + 60*x3 + 60*x4 + 60*x5 + 60*x6 + 5*x7 + 45*x8 + 55*x9
+ 65*x10 =L= 600.1;
e2.. 5*x1 + 7*x2 + 3*x3 + 8*x4 + 13*x5 + 13*x6 + 2*x7 + 14*x8 + 14*x9
+ 14*x10 =L= 310.5;
e3.. 100*x1 + 130*x2 + 50*x3 + 70*x4 + 70*x5 + 70*x6 + 20*x7 + 80*x8 + 80*x9
+ 80*x10 =L= 1800;
e4.. 200*x1 + 280*x2 + 100*x3 + 200*x4 + 250*x5 + 280*x6 + 100*x7 + 180*x8
+ 200*x9 + 220*x10 =L= 3850;
e5.. 2*x1 + 2*x2 + 4*x3 + 4*x4 + 4*x5 + 4*x6 + 2*x7 + 6*x8 + 6*x9 + 6*x10
=L= 18.6;
e6.. 4*x1 + 8*x2 + 2*x3 + 6*x4 + 10*x5 + 10*x6 + 5*x7 + 10*x8 + 10*x9
+ 10*x10 =L= 198.7;
e7.. 60*x1 + 110*x2 + 20*x3 + 40*x4 + 60*x5 + 70*x6 + 10*x7 + 40*x8 + 50*x9
+ 50*x10 =L= 882;
e8.. 150*x1 + 210*x2 + 40*x3 + 70*x4 + 90*x5 + 105*x6 + 60*x7 + 100*x8
+ 140*x9 + 180*x10 =L= 4200;
e9.. 80*x1 + 100*x2 + 6*x3 + 16*x4 + 20*x5 + 22*x6 + 20*x8 + 30*x9 + 30*x10
=L= 40.25;
e10.. 40*x1 + 40*x2 + 12*x3 + 20*x4 + 24*x5 + 28*x6 + 40*x9 + 50*x10 =L= 327
;
e11.. -(10*x1 - 0.68*x1*x1 - 0.46*x1*x2 + 10*x2 - 0.79*x1*x3 + 10*x3 - 0.51*x1*
x4 + 10*x4 - 0.69*x1*x5 + 10*x5 - 0.68*x1*x6 + 10*x6 - 0.46*x1*x7 + 10*x7
- 0.79*x1*x8 + 10*x8 - 0.51*x1*x9 + 10*x9 - 0.69*x1*x10 + 10*x10 - 0.46*
x2*x1 - 0.55*x2*x2 - 0.58*x2*x3 - 0.45*x2*x4 - 0.6*x2*x5 - 0.46*x2*x6 -
0.55*x2*x7 - 0.58*x2*x8 - 0.45*x2*x9 - 0.6*x2*x10 - 0.79*x3*x1 - 0.58*x3*
x2 - 1.33*x3*x3 - 0.67*x3*x4 - 0.89*x3*x5 - 0.79*x3*x6 - 0.58*x3*x7 -
1.33*x3*x8 - 0.67*x3*x9 - 0.89*x3*x10 - 0.51*x4*x1 - 0.45*x4*x2 - 0.67*x4
*x3 - 0.69*x4*x4 - 0.58*x4*x5 - 0.51*x4*x6 - 0.45*x4*x7 - 0.67*x4*x8 -
0.69*x4*x9 - 0.58*x4*x10 - 0.69*x5*x1 - 0.6*x5*x2 - 0.89*x5*x3 - 0.58*x5*
x4 - 1.19*x5*x5 - 0.69*x5*x6 - 0.6*x5*x7 - 0.89*x5*x8 - 0.58*x5*x9 - 1.19
*x5*x10 - 0.68*x6*x1 - 0.46*x6*x2 - 0.79*x6*x3 - 0.51*x6*x4 - 0.69*x6*x5
- 0.68*x6*x6 - 0.46*x6*x7 - 0.79*x6*x8 - 0.51*x6*x9 - 0.69*x6*x10 - 0.46
*x7*x1 - 0.55*x7*x2 - 0.58*x7*x3 - 0.45*x7*x4 - 0.6*x7*x5 - 0.46*x7*x6 -
0.55*x7*x7 - 0.58*x7*x8 - 0.45*x7*x9 - 0.6*x7*x10 - 0.79*x8*x1 - 0.58*x8*
x2 - 1.33*x8*x3 - 0.67*x8*x4 - 0.89*x8*x5 - 0.79*x8*x6 - 0.58*x8*x7 -
1.33*x8*x8 - 0.67*x8*x9 - 0.89*x8*x10 - 0.51*x9*x1 - 0.45*x9*x2 - 0.67*x9
*x3 - 0.69*x9*x4 - 0.58*x9*x5 - 0.51*x9*x6 - 0.45*x9*x7 - 0.67*x9*x8 -
0.69*x9*x9 - 0.58*x9*x10 - 0.69*x10*x1 - 0.6*x10*x2 - 0.89*x10*x3 - 0.58*
x10*x4 - 1.19*x10*x5 - 0.69*x10*x6 - 0.6*x10*x7 - 0.89*x10*x8 - 0.58*x10*
x9 - 1.19*x10*x10) + objvar =E= 0;
Model m / all /;
m.limrow=0; m.limcol=0;
m.tolproj=0.0;
$if NOT '%gams.u1%' == '' $include '%gams.u1%'
$if not set NLP $set NLP NLP
Solve m using %NLP% minimizing objvar;
Last updated: 2025-08-07 Git hash: e62cedfc

