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OscaR is an open source (LGPL) scala library to model and solve OR problems:
https://bitbucket.org/pschaus/
scampi/
OscaR can be used for:
Constraint Programming,
Constrained Based Local Search
Linear Programming,
Discrete Event Simulation,
Derivative Free Optimization,
Visualization.
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YU
, …
jingjing chen
4
3/16/23
Error when using SBT for OSCAR version 3
hi,Pierre I cant visit this website " http://artifactory.info.ucl.ac.be/artifactory/libs-release
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Error when using SBT for OSCAR version 3
hi,Pierre I cant visit this website " http://artifactory.info.ucl.ac.be/artifactory/libs-release
3/16/23
Atul Chavan
, …
Gabriel Augusto David
6
2/1/23
Dependency error.
Hey Pierre, I can't run on my machine... I had this error: Can you help me? Em sexta-feira, 16 de
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Dependency error.
Hey Pierre, I can't run on my machine... I had this error: Can you help me? Em sexta-feira, 16 de
2/1/23
he...@simula.no
,
Pierre Schaus
3
8/26/22
Availability of data file from DOWNLOAD-DATA.txt
Perfect, thanks! Best, Helge On Thursday, 25 August 2022 at 09:35:17 UTC+2 pschaus wrote: Hi, I
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Availability of data file from DOWNLOAD-DATA.txt
Perfect, thanks! Best, Helge On Thursday, 25 August 2022 at 09:35:17 UTC+2 pschaus wrote: Hi, I
8/26/22
Arijit Deb
8/6/22
Installation of OscaR in my windows laptop
Hi, I was trying to run OscaR using sbt in the corresponding repository oscar-cp-2.12-dev-snapshot in
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Installation of OscaR in my windows laptop
Hi, I was trying to run OscaR using sbt in the corresponding repository oscar-cp-2.12-dev-snapshot in
8/6/22
Ilja Becker
2
10/27/21
Maven Repository failing
Hi everyone, nevermind, it's back up again. All the Best, Ilja Ilja Becker schrieb am Freitag, 22
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Maven Repository failing
Hi everyone, nevermind, it's back up again. All the Best, Ilja Ilja Becker schrieb am Freitag, 22
10/27/21
Peter Nightingale
,
Surya Narayan S
3
3/10/21
Possible missing constraint in flatzinc frontend of fzn-oscar-cbls
I don't remember, that was last summer. On Wednesday, 10 March 2021 at 03:21:52 UTC nsury...@
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Possible missing constraint in flatzinc frontend of fzn-oscar-cbls
I don't remember, that was last summer. On Wednesday, 10 March 2021 at 03:21:52 UTC nsury...@
3/10/21
Surya Narayan S
3/9/21
OscaR-Minizinc setup
Hi, I have been trying to get OscaR work with MiniZinc. But no luck. I have zero experience with
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OscaR-Minizinc setup
Hi, I have been trying to get OscaR work with MiniZinc. But no luck. I have zero experience with
3/9/21
Bogdan Vlad
2
7/8/20
Exception when "alldifferent_except_0" is used in Minizinc model
I've tried to remove the "alldifferent_except_0" and now I see "oscar.flatzinc.
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Exception when "alldifferent_except_0" is used in Minizinc model
I've tried to remove the "alldifferent_except_0" and now I see "oscar.flatzinc.
7/8/20
CatOs Mandros
6/22/20
[Call for Papers] 19th International Workshop on Constraint Modelling and Reformulation (September 7, 2020)
ModRef 2020: 19th International Workshop on Constraint Modelling and Reformulation (September 7, 2020
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[Call for Papers] 19th International Workshop on Constraint Modelling and Reformulation (September 7, 2020)
ModRef 2020: 19th International Workshop on Constraint Modelling and Reformulation (September 7, 2020
6/22/20
Navy Xie
,
Pierre Schaus
2
3/20/20
Installation info is missed.
Hi Navy, Indeed we moved to git recently and haven't migrated yet our wiki. I just did an
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Installation info is missed.
Hi Navy, Indeed we moved to git recently and haven't migrated yet our wiki. I just did an
3/20/20
Peter Nightingale
,
Renaud De Landtsheer
5
2/24/20
OscaR/CBLS automatic construction of neighbourhoods and search
Thanks very much Renaud, that clears everything up. Best wishes, Peter
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OscaR/CBLS automatic construction of neighbourhoods and search
Thanks very much Renaud, that clears everything up. Best wishes, Peter
2/24/20
Gottfried Schenner
,
charles...@uclouvain.be
3
1/30/19
Solve XCSP problem with Oscar CP solver
It works. Thank you very much! KR Gottfried On Tue, 29 Jan 2019 at 18:12, <charles.thomas@
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Solve XCSP problem with Oscar CP solver
It works. Thank you very much! KR Gottfried On Tue, 29 Jan 2019 at 18:12, <charles.thomas@
1/30/19
renauddl
12/18/18
dynamic symmetry elimination in oscar.cp
Hi all, I have a symmetry constraint (think a<b or a>b, whatever) and I would like to break
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dynamic symmetry elimination in oscar.cp
Hi all, I have a symmetry constraint (think a<b or a>b, whatever) and I would like to break
12/18/18
weihan zheng
, …
Pierre Schaus
5
5/15/18
Installation Problem on MacOS
Hi Jules, Here are the reasons: - Our linprog package had very little added value over using gurobi
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Installation Problem on MacOS
Hi Jules, Here are the reasons: - Our linprog package had very little added value over using gurobi
5/15/18
he...@simula.no
,
Renaud De Landtsheer
2
3/24/18
Warm starting oscar-cbls from initial solution
Hello, Every CBLS variable that you declare in your model and that is not the output of an invariant
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Warm starting oscar-cbls from initial solution
Hello, Every CBLS variable that you declare in your model and that is not the output of an invariant
3/24/18
Carlos Eduardo de Andrade
,
Renaud De Landtsheer
3
2/28/18
fzn-oscar-cbls faling
Hi Carlos, Is it working now? -- Renaud 2018-02-27 22:44 GMT+01:00 Renaud De Landtsheer <renauddl@
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fzn-oscar-cbls faling
Hi Carlos, Is it working now? -- Renaud 2018-02-27 22:44 GMT+01:00 Renaud De Landtsheer <renauddl@
2/28/18
Nicole kristen
2/13/18
Taking Bitbucket as a Career Option for Scope of Future Benefits
With the rising scope of web-based hosting service since last few years, BITBUCKET training is
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Taking Bitbucket as a Career Option for Scope of Future Benefits
With the rising scope of web-based hosting service since last few years, BITBUCKET training is
2/13/18
Pierre Schaus
,
renauddl
2
11/24/17
dev branch is now on scala 2.12.4
Great job! So the question is: did you get a decent speedup? I heard rumours that the latest version
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dev branch is now on scala 2.12.4
Great job! So the question is: did you get a decent speedup? I heard rumours that the latest version
11/24/17
Renaud De Landtsheer
,
Pierre Schaus
5
11/21/17
Question on OscaR.cp: ConflictOrderingSearch
I restart the full application, including the parsing of the data and it is the same instance, and
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Question on OscaR.cp: ConflictOrderingSearch
I restart the full application, including the parsing of the data and it is the same instance, and
11/21/17
Meko Li
,
Pierre Schaus
7
4/14/17
Error when run xp-table
Hi pierre Well, I have an idea to optimize TableSTRbit algorithm(Wang, Xia, Yap and Li), I want to
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Error when run xp-table
Hi pierre Well, I have an idea to optimize TableSTRbit algorithm(Wang, Xia, Yap and Li), I want to
4/14/17
Miran
,
Pierre Schaus
5
3/29/17
Implementation of conjunction
Thanks for the feedback. Yes, agreed it was not be best example of disjunction ;-) Best, Miran On 28
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Implementation of conjunction
Thanks for the feedback. Yes, agreed it was not be best example of disjunction ;-) Best, Miran On 28
3/29/17
Cheng Wang
3/24/17
Can we use lastest version of gurobi instead of gurobi5?
Thank you in advance!
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Can we use lastest version of gurobi instead of gurobi5?
Thank you in advance!
3/24/17
Miran
,
Pierre Schaus
5
3/7/17
Is it possible to use 'set of tuple'?
Hi Pierre, Thanks for the quick reply. Yes I think it a got a better idea now for beginning the
unread,
Is it possible to use 'set of tuple'?
Hi Pierre, Thanks for the quick reply. Yes I think it a got a better idea now for beginning the
3/7/17
Maxime...@univ-lille1.fr
,
Renaud De Landtsheer
2
3/6/17
Error in NQueensEasy1
Hi, I'm afraid, this example on the web site is not up to date, and I will delete it. You should
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Error in NQueensEasy1
Hi, I'm afraid, this example on the web site is not up to date, and I will delete it. You should
3/6/17
maxime...@univ-lille1.fr
,
Maxime MORGE
3
3/2/17
Difficulties to install Oscar
Dear Pierre, Le 02/03/2017 à 08:59, Pierre Schaus a écrit : > Which version do you depend on in
unread,
Difficulties to install Oscar
Dear Pierre, Le 02/03/2017 à 08:59, Pierre Schaus a écrit : > Which version do you depend on in
3/2/17
Miran
2/23/17
Setting Constraint Priority before search?
Hi OscaR group, I have created a model which basically tries to place N Queens, N Bishops, and N
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Setting Constraint Priority before search?
Hi OscaR group, I have created a model which basically tries to place N Queens, N Bishops, and N
2/23/17
Meko Li
,
Pierre Schaus
14
11/23/16
How to run OscaR examples
Hi Pierre Thank you anyway and I will try to enquire professor Jean-Charles Régin about it. Best
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How to run OscaR examples
Hi Pierre Thank you anyway and I will try to enquire professor Jean-Charles Régin about it. Best
11/23/16
Nick T.
, …
Imre Kocsis
5
11/10/16
XCSP Support
Hi, at this point, it's pretty much any good solver that supports XCSP. Let's just say XCSP
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XCSP Support
Hi, at this point, it's pretty much any good solver that supports XCSP. Let's just say XCSP
11/10/16
Cheng Wang
,
Pierre Schaus
3
8/17/16
How to use GLPK for linprog? (There is no interface for GLPK)
Thx very much! On Monday, 1 August 2016 11:06:24 UTC+2, pschaus wrote: Hi There used to be one but it
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How to use GLPK for linprog? (There is no interface for GLPK)
Thx very much! On Monday, 1 August 2016 11:06:24 UTC+2, pschaus wrote: Hi There used to be one but it
8/17/16
ekat...@colisweb.com
7/27/16
sensitivity analysis through OscaR
Hello, I would like to solve LPs and MIPs via Scala and OscaR (particularly, vehicle routing problem)
unread,
sensitivity analysis through OscaR
Hello, I would like to solve LPs and MIPs via Scala and OscaR (particularly, vehicle routing problem)
7/27/16