MINLPLib

A Library of Mixed-Integer and Continuous Nonlinear Programming Instances

Home // Instances // Documentation // Download // Statistics

This page lists the MINLPLib instances ordered by date of addition to and removal from the library.

2024-03-25 added:

pricing050

2024-03-04 added:

2022-07-27 removed:

minsurf100: Instance is continuous and convex.
minsurf25: Instance is continuous and convex.
minsurf50: Instance is continuous and convex.
minsurf75: Instance is continuous and convex.

2022-03-03 removed:

weapons: Instance is continuous and convex.

2022-03-01 removed:

arki0008: Numerically difficult formulation (coefficient of order 1E12 in front of exp())
arki0022: Numerically difficult formulation (coefficient of order 1E-11 in front of log())
arki0023: Numerically difficult formulation (coefficient of order 1E-11 in front of log())
arki0024: Numerically difficult formulation (coefficient of order 1E-14)
bayes2_10: Numerically difficult formulation (coefficient of order 1E-11)
bchoco05: Numerically difficult formulation (coefficient of order 1E-10 and 1E7)
bchoco06: Numerically difficult formulation (coefficient of order 1E-10 and 1E8)
bchoco07: Numerically difficult formulation (coefficient of order 1E-10 and 1E9)
bchoco08: Numerically difficult formulation (coefficient of order 1E-10 and 1E10)
ex8_3_1: Numerically difficult formulation (coefficient of order 1E12 in front of exp())
ex8_3_11: Numerically difficult formulation (coefficient of order 1E12 in front of exp())
ex8_3_12: Numerically difficult formulation (coefficient of order 1E17 in front of exp())
ex8_3_14: Numerically difficult formulation (coefficient of order 1E16 in front of exp())
gasnet_al1: Numerically difficult formulation (coefficient of order 1E-14)
gasnet_al2: Numerically difficult formulation (coefficient of order 1E-14)
gasnet_al3: Numerically difficult formulation (coefficient of order 1E-14)
gasnet_al4: Numerically difficult formulation (coefficient of order 1E-14)
gasnet_al5: Numerically difficult formulation (coefficient of order 1E-14)
meanvarxsc: Very similar to meanvarx

2022-02-28 removed:

arki0007: Numerically very bad formulation (coefficients of order 1e-21).
ethanolh: Use of eps in original GAMS model probably a bug.
ethanolm: Use of eps in original GAMS model probably a bug.
ex8_2_2b: Numerically very bad formulation (coefficients of order 1e-14).
ex8_2_3b: Numerically very bad formulation (coefficients of order 1e-17).
ex8_2_5b: Numerically very bad formulation (coefficients of order 1e-13).
fdesign10: Numerically too difficult for finite-precision solvers (coefficients of order 1e-16).
fdesign25: Numerically too difficult for finite-precision solvers (coefficients of order 1e-18).
fdesign50: Numerically too difficult for finite-precision solvers (coefficients of order 1e-18).
flowchan100fix: Underflow in original model lead to tiny coefficients and coefficients rounded to 0 (or GAMS eps).
flowchan200fix: Underflow in original model lead to tiny coefficients and coefficients rounded to 0 (or GAMS eps).
flowchan400fix: Underflow in original model lead to tiny coefficients and coefficients rounded to 0 (or GAMS eps).
flowchan50fix: Underflow in original model lead to tiny coefficients and coefficients rounded to 0 (or GAMS eps).

2022-02-16 removed:

abel: Instance is continuous and convex
arki0001: Instance is continuous and convex
autocorr_bern35-35: Bug in original model found, fixed version available as autocorr_bern35-35fix
bearing: Difficult numerical behavior. Optimal value changes by > 2% when increasing feasibility tolerance.
circle: Instance is continuous and easily recognized as SOCP
clay0203h: Superseded by clay0203hfsg
clay0204h: Superseded by clay0204hfsg
clay0205h: Superseded by clay0205hfsg
clay0303h: Superseded by clay0303hfsg
clay0304h: Superseded by clay0304hfsg
clay0305h: Superseded by clay0305hfsg
gtm: Instance is continuous and convex.
harker: Instance is continuous and convex.
immun: Instance is continuous and convex.
jbearing100: Instance is continuous and convex.
jbearing25: Instance is continuous and convex.
jbearing50: Instance is continuous and convex.
jbearing75: Instance is continuous and convex.
linear: Instance is continuous and convex.
meanvar: Instance is continuous and convex.
minlphix: Difficult numerical behavior. Optimal value changes sign and by several orders of magnitude when increasing feasibility tolerance.
parabol5_2_1: Instance is continuous and convex.
pollut: Instance is continuous and convex.
procsyn: Instance is continuous and convex.
qp2: Instance is continuous and convex.
qp4: Instance is continuous and convex.
robot100: Formulation seems unbounded, while model should be bounded (minimizes time).
robot200: Formulation seems unbounded, while model should be bounded (minimizes time).
robot400: Formulation seems unbounded, while model should be bounded (minimizes time).
robot50: Formulation seems unbounded, while model should be bounded (minimizes time).
rsyn0805h: Superseded by rsyn0805hfsg.
rsyn0805m02h: Superseded by rsyn0805m02hfsg.
rsyn0805m03h: Superseded by rsyn0805m03hfsg.
rsyn0805m04h: Superseded by rsyn0805m04hfsg.
rsyn0810h: Superseded by rsyn0810hfsg.
rsyn0810m02h: Superseded by rsyn0810m02hfsg.
rsyn0810m03h: Superseded by rsyn0810m03hfsg.
rsyn0810m04h: Superseded by rsyn0810m04hfsg.
rsyn0815h: Superseded by rsyn0815hfsg.
rsyn0815m02h: Superseded by rsyn0815m02hfsg.
rsyn0815m03h: Superseded by rsyn0815m03hfsg.
rsyn0815m04h: Superseded by rsyn0815m04hfsg.
rsyn0820h: Superseded by rsyn0820hfsg.
rsyn0820m02h: Superseded by rsyn0820m02hfsg.
rsyn0820m03h: Superseded by rsyn0820m03hfsg.
rsyn0820m04h: Superseded by rsyn0820m04hfsg.
rsyn0830h: Superseded by rsyn0830hfsg.
rsyn0830m02h: Superseded by rsyn0830m02hfsg.
rsyn0830m03h: Superseded by rsyn0830m03hfsg.
rsyn0830m04h: Superseded by rsyn0830m04hfsg.
rsyn0840h: Superseded by rsyn0840hfsg.
rsyn0840m02h: Superseded by rsyn0840m02hfsg.
rsyn0840m03h: Superseded by rsyn0840m03hfsg.
rsyn0840m04h: Superseded by rsyn0840m04hfsg.
sambal: Instance is continuous and convex.
sample: Instance is continuous and convex.
smallinvSNPr1b010-011: Relevant loss in precision when original instances were produced.
smallinvSNPr1b020-022: Relevant loss in precision when original instances were produced.
smallinvSNPr1b050-055: Relevant loss in precision when original instances were produced.
smallinvSNPr1b100-110: Relevant loss in precision when original instances were produced.
smallinvSNPr1b150-165: Relevant loss in precision when original instances were produced.
smallinvSNPr1b200-220: Relevant loss in precision when original instances were produced.
smallinvSNPr2b010-011: Relevant loss in precision when original instances were produced.
smallinvSNPr2b020-022: Relevant loss in precision when original instances were produced.
smallinvSNPr2b050-055: Relevant loss in precision when original instances were produced.
smallinvSNPr2b100-110: Relevant loss in precision when original instances were produced.
smallinvSNPr2b150-165: Relevant loss in precision when original instances were produced.
smallinvSNPr2b200-220: Relevant loss in precision when original instances were produced.
smallinvSNPr3b010-011: Relevant loss in precision when original instances were produced.
smallinvSNPr3b020-022: Relevant loss in precision when original instances were produced.
smallinvSNPr3b050-055: Relevant loss in precision when original instances were produced.
smallinvSNPr3b100-110: Relevant loss in precision when original instances were produced.
smallinvSNPr3b150-165: Relevant loss in precision when original instances were produced.
smallinvSNPr3b200-220: Relevant loss in precision when original instances were produced.
smallinvSNPr4b010-011: Relevant loss in precision when original instances were produced.
smallinvSNPr4b020-022: Relevant loss in precision when original instances were produced.
smallinvSNPr4b050-055: Relevant loss in precision when original instances were produced.
smallinvSNPr4b100-110: Relevant loss in precision when original instances were produced.
smallinvSNPr4b150-165: Relevant loss in precision when original instances were produced.
smallinvSNPr4b200-220: Relevant loss in precision when original instances were produced.
smallinvSNPr5b010-011: Relevant loss in precision when original instances were produced.
smallinvSNPr5b020-022: Relevant loss in precision when original instances were produced.
smallinvSNPr5b050-055: Relevant loss in precision when original instances were produced.
smallinvSNPr5b100-110: Relevant loss in precision when original instances were produced.
smallinvSNPr5b150-165: Relevant loss in precision when original instances were produced.
smallinvSNPr5b200-220: Relevant loss in precision when original instances were produced.
srcpm: Instance is continuous and convex.
st_cqpf: Instance is continuous and convex.
st_cqpjk1: Instance is continuous and convex.
st_cqpjk2: Instance is continuous and convex.
st_e17: Instance is continuous and convex.
super1: Numerically very bad formulation (coefficient of order 1e-13 in e1376).
super2: Numerically very bad formulation (coefficient of order 1e-13 in e1376).
super3: Numerically very bad formulation (coefficient of order 1e-13 in e1376).
syn05h: Superseded by syn05hfsg.
syn05m02h: Superseded by syn05m02hfsg.
syn05m03h: Superseded by syn05m03hfsg.
syn05m04h: Superseded by syn05m04hfsg.
syn10h: Superseded by syn10hfsg.
syn10m02h: Superseded by syn10m02hfsg.
syn10m03h: Superseded by syn10m03hfsg.
syn10m04h: Superseded by syn10m04hfsg.
syn15h: Superseded by syn15hfsg.
syn15m02h: Superseded by syn15m02hfsg.
syn15m03h: Superseded by syn15m03hfsg.
syn15m04h: Superseded by syn15m04hfsg.
syn20h: Superseded by syn20hfsg.
syn20m02h: Superseded by syn20m02hfsg.
syn20m03h: Superseded by syn20m03hfsg.
syn20m04h: Superseded by syn20m04hfsg.
syn30h: Superseded by syn30hfsg.
syn30m02h: Superseded by syn30m02hfsg.
syn30m03h: Superseded by syn30m03hfsg.
syn30m04h: Superseded by syn30m04hfsg.
syn40h: Superseded by syn40hfsg.
syn40m02h: Superseded by syn40m02hfsg.
syn40m03h: Superseded by syn30m03hfsg.
syn40m04h: Superseded by syn40m04hfsg.
turkey: Instance is continuous and convex.
wall: Bug in original GAMS model had been found, fixed version available as wallfix.

2021-11-29 added:

2020-12-11 added:

2020-08-26 added:

2019-11-15 added:

2019-09-25 added:

2019-07-12 added:

wallfix

2018-12-08 added:

2018-08-18 added:

2018-03-12 added:

2017-09-12 added:

2017-09-11 added:

2017-02-07 added:

t1000

2017-02-06 added:

2016-04-26 added:

2015-12-24 added:

waternd_modena

2015-12-04 added:

2015-06-03 added:

2015-05-29 added:

gams03

2015-02-13 added:

gams02

2015-02-09 added:

2015-02-09 removed:

flowchan100: Bug in original GAMS model had been found, fixed version available as flowchan100fix
flowchan200: Bug in original GAMS model had been found, fixed version available as flowchan200fix
flowchan400: Bug in original GAMS model had been found, fixed version available as flowchan400fix
flowchan50: Bug in original GAMS model had been found, fixed version available as flowchan50fix

2014-08-18 added:

2014-08-15 added:

2014-08-15 removed:

ex8_3_10: Objective function is singular (division by variable that can be 0)
ex8_3_6: Objective function is singular (division by variable that can be 0)
ship: Objective function is singular (division by variable that can be 0)

2014-08-14 removed:

camcge: Optimization variant of camcns, but having only one solution
ex8_2_1: Variant of ex8_2_1b with some variable bounds missing and x57 and x58 not substituted out
ex8_2_1a: Variant of ex8_2_1b with x57 and x58 not substituted out
ex8_2_2: Variant of ex8_2_2b with some variable bounds missing and x7512..x7523 not substituted out
ex8_2_2a: Variant of ex8_2_2b with x7512..x7523 not substituted out
ex8_2_3: Variant of ex8_2_3b with some variable bounds missing and x15683..x15642 not substituted out
ex8_2_3a: Variant of ex8_2_3b with x15638..x15642 not substituted out
ex8_2_4: Variant of ex8_2_4b with some variable bounds missing and x57..x62 not substituted out
ex8_2_4a: Variant of ex8_2_4b with x57..x62 not substituted out
ex8_2_5: Variant of ex8_2_5b with some variable bounds missing and x2512..x2535 not substituted out
ex8_2_5a: Variant of ex8_2_5b with x2512..x2535 not substituted out
ex8_4_8: Variant of ex8_4_8_bnd with some variable bounds missing
ganges: Optimization variant of gancns, but having only one solution
korcge: Optimization variant of korcns, but having only one solution
qp1: Duplicate of qp2
qp5: Instance is purely linear (approximation of qp4)

2014-08-12 added:

2014-05-31 added:

2014-05-31 removed:

enpro48: Variant of enpro48pb with some variable bounds missing
enpro56: Variant of enpro56pb with some variable bounds missing
ex3: Variant of ex3pb with some variable bounds missing
ravem: Variant of ravempb with some variable bounds missing
risk2b: Variant of risk2bpb with some variable bounds missing

2014-03-19 added:

2014-03-14 added:

2014-03-11 added:

2014-03-07 added:

lip
primary

2014-03-05 added:

autocorr_bern20-15

2014-03-04 removed:

pump: Duplicate of ex1252a

2014-03-01 added:

2014-02-28 added:

2014-02-27 added:

gams01

2014-02-26 added:

2014-02-24 added:

2014-02-21 added:

2013-10-28 added:

2013-09-28 added:

2013-09-25 added:

2013-09-24 added:

2013-09-12 added:

2013-02-17 removed:

nuclear24: Duplicate of nuclear14
nuclear24a: Duplicate of nuclear14a
nuclear24b: Duplicate of nuclear14b

2012-08-06 removed:

detf1: Duplicate of saa_2

2011-08-29 added:

2009-09-14 added:

2008-04-22 added:

chp_partload

2007-06-14 added:

2005-12-19 added:

2005-02-19 added:

2004-10-26 added:

2003-12-11 added:

gsg_0001

2003-07-02 added:

2002-09-03 added:

2002-09-01 added:

2002-08-23 added:

infeas1

2002-07-25 added:

2001-08-08 added:

eniplac

2001-07-31 added:

2001-06-25 added:

2001-05-01 added:

Last updated: 2024-08-26 Git hash: 6cc1607f

Imprint / Privacy Policy / License: CC-BY 4.0