MINLPLib

A Library of Mixed-Integer and Continuous Nonlinear Programming Instances

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Instance: ex4_1_3

Formats ams gms mod nl osil pip
Primal Bounds
-443.67170470 p1 ( gdx sol )
(infeas: 0)
Dual Bounds
-443.67170520 (ANTIGONE)
-443.67170520 (BARON)
-443.67177410 (COUENNE)
-443.67170540 (LINDO)
-443.67170540 (SCIP)
References Floudas, C A, Pardalos, Panos M, Adjiman, C S, Esposito, W R, Gumus, Zeynep H, Harding, S T, Klepeis, John L, Meyer, Clifford A, and Schweiger, C A, Handbook of Test Problems in Local and Global Optimization, Kluwer Academic Publishers, 1999.
Wilkinson, J H, Rounding Errors in Algebraic Processes, Prentice Hall, Englewood Cliffs, NJ, 1963.
Source Test Problem ex4.1.3 of Chapter 4 of Floudas e.a. handbook
Added to library 31 Jul 2001
Problem type NLP
#Variables 1
#Binary Variables 0
#Integer Variables 0
#Nonlinear Variables 1
#Nonlinear Binary Variables 0
#Nonlinear Integer Variables 0
Objective Sense min
Objective type polynomial
Objective curvature nonconvex
#Nonzeros in Objective 1
#Nonlinear Nonzeros in Objective 1
#Constraints 0
#Linear Constraints 0
#Quadratic Constraints 0
#Polynomial Constraints 0
#Signomial Constraints 0
#General Nonlinear Constraints 0
Operands in Gen. Nonlin. Functions  
Constraints curvature linear
#Nonzeros in Jacobian 0
#Nonlinear Nonzeros in Jacobian 0
#Nonzeros in (Upper-Left) Hessian of Lagrangian 1
#Nonzeros in Diagonal of Hessian of Lagrangian 1
#Blocks in Hessian of Lagrangian 1
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
Infeasibility of initial point 0
Sparsity Jacobian Sparsity of Objective Gradient and Jacobian
Sparsity Hessian of Lagrangian Sparsity of Hessian of Lagrangian

$offlisting
*  
*  Equation counts
*      Total        E        G        L        N        X        C        B
*          1        1        0        0        0        0        0        0
*  
*  Variable counts
*                   x        b        i      s1s      s2s       sc       si
*      Total     cont   binary  integer     sos1     sos2    scont     sint
*          2        2        0        0        0        0        0        0
*  FX      0
*  
*  Nonzero counts
*      Total    const       NL      DLL
*          2        1        1        0
*
*  Solve m using NLP minimizing objvar;


Variables  x1,objvar;

Positive Variables  x1;

Equations  e1;


e1.. -(8.9248e-5*x1 - 0.0218343*sqr(x1) + 0.998266*POWER(x1,3) - 1.6995*POWER(
     x1,4) + 0.2*POWER(x1,5)) + objvar =E= 0;

* set non-default bounds
x1.up = 10;

* set non-default levels
x1.l = 6.325;

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: 2018-09-14 Git hash: ac5a5314
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