Activity for Opt4J
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Niansong Zhang posted a comment on discussion Open Discussion
Hi, I am using OPT4J for a FPGA Placement Optimization problem, and I have implemented my PlacementModule and EvolutionaryAlgorithmModule. However, I'm not sure how to select NSGA-II as the selector for evolutionary algorithm, could you provide me with a little help on that? Thank you in advance
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Felix Reimann posted a comment on discussion Open Discussion
Hi Luis, according to the Javadoc of the KnapsackProblemFile (http://opt4j.sourceforge.net/javadoc/3.1.4/org/opt4j/benchmarks/knapsack/KnapsackProblemFile.html)...
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Luis Plata posted a comment on discussion Open Discussion
Hi Im trying to solve some knapsack instances, with different data from the ones...
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Felix Reimann committed [b3a27a]
update to guice 4.1.0
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Felix Reimann committed [540df8]
merged with 1ccfbc6ff9cc
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Felix Reimann committed [dafb0e]
suppresswarnings added
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Felix Reimann committed [1ccfbc]
mouse listeners for evaluated individuals in th...
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Felix Reimann committed [0ff092]
create launch script manually as described in t...
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Felix Reimann committed [460925]
gradle updated to 2.12
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Felix Reimann committed [2f0da2]
generics added
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Felix Reimann committed [b2d2db]
minor format and xhtml corrections
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Felix Reimann committed [8d53d4]
basic gradle documentation added
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Felix Reimann committed [6beb21]
add eclipse integration to gradle
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Felix Reimann committed [870b08]
rm root .project and .classpath
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Felix Reimann committed [83101f]
rm .project
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Felix Reimann committed [c4ebd9]
added .project and .classpath to hgingore
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Felix Reimann committed [9c468c]
Section 4 extended
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Martin Lukasiewycz posted a comment on discussion Open Discussion
First question: You can create a class called Data that contains a list with the...
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Mert Oguz posted a comment on discussion Open Discussion
Hi Felix and Martin, Thanks a lot for your answers. Apparently I didn't add an optimizer...
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Hi Mert, is it possible that you just added your ProblemModule to the Opt4JTask,...
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Hi Mert, can you post the code how the cost looks like the fills the Opt4J task and...
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Hi, I would like to optimize my application using Opt4J as a library. I have read...
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I am not sure whether I understand the question. Maybe all you need is not to add...
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Juan Torras posted a comment on discussion Open Discussion
I've implemented a load balancing optimizer using opt4j as external library within...
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Felix Reimann committed [0de5d7]
typo
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Felix Reimann committed [cd5017]
added splash image to gradle tasks run and fatjar
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Michael Glass committed [657426]
Corrected calculation of the diff (was upper*lo...
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Opt4J released /opt4j.jar/Opt4J 3.1.4 jar/opt4j-3.1.4.jar
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Martin Lukasiewycz committed [330851]
Set to version 3.1.4
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Felix Reimann committed [a5512c]
use File.pathSeparator
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Felix Reimann committed [a3c03f]
":" is not a valid separator - fails to resolve...
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prabal kumar posted a comment on discussion Open Discussion
Hi, Thanks a lot for your answers. I meant was actual constraints not the bounds....
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Hi Tim, You also have to provide a problem, like in the tutorial in Section 4: DTLZModule...
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Tim posted a comment on discussion Open Discussion
I'm wondering if Prabal means bounds or actual constraints on variables. Because...
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Hello, I'm trying to run MutateOptimizerModule from the tutorial, but I'm getting...
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Hi Prabal, there is currently no build-in module in Opt4J that can handle constraints...
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I have a requirement where I have multiple variables and there are some constrains...
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Hi, Thanks for your comment! I assume you refer to the tutorial at: http://opt4j.sourceforge.net/documentation/3.1.3/tutorial.xhtml...
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sharkbite404 posted a comment on discussion Open Discussion
Opt4J looks like a great library and exactly what I need for a multi-objective problem....
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Martin Lukasiewycz committed [ae4fe8]
Update dependencies
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Martin Lukasiewycz committed [74ef19]
Tag as 3.1.3 branch
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Martin Lukasiewycz committed [3907d4]
Set version to SNAPSHOT
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Martin Lukasiewycz committed [bab711]
Update dependencies
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Martin Lukasiewycz committed [73b588]
Add MIT license files to root directory and lic...
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Martin Lukasiewycz committed [d5ec7b]
Update to MIT license in About dialog
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Martin Lukasiewycz committed [ea1f4a]
Close 3.1.3 branch
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Martin Lukasiewycz committed [2d75ee]
Update information in file header to MIT license
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Martin Lukasiewycz committed [e39dbb]
Update website information to MIT license
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Martin Lukasiewycz committed [66af97]
Use Java 1.6 compatibility
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Martin Lukasiewycz committed [059d27]
Adapt gradle build to allow for JDK 8
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Dear Courtney, did you start working on the MOSA? - Is there any help required so...
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Courtney Falk posted a comment on discussion Open Discussion
I read the JavaDocs and now I understand how the SimulatedAnnealing code handles...
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martin.lukasiewycz@CE006-4.TUMCREATE.LOCAL committed [6eeab8]
Tag as 3.1.2 branch
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martin.lukasiewycz@CE006-4.TUMCREATE.LOCAL committed [de71b4]
Close 3.1.2 branch
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martin.lukasiewycz@CE006-4.TUMCREATE.LOCAL committed [b8db65]
Use provider instead of new for Objectives object
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martin.lukasiewycz@CE006-4.TUMCREATE.LOCAL committed [5b4e61]
Add further description for Opt4JModule, refere...
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martin.lukasiewycz@CE006-4.TUMCREATE.LOCAL committed [79687d]
Switch to guice 4.0-beta4 (for the sake of Java...
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martin.lukasiewycz@CE006-4.TUMCREATE.LOCAL committed [57fc31]
Tag as 3.1.1 branch
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martin.lukasiewycz@CE006-4.TUMCREATE.LOCAL committed [e988ee]
Close 3.1.1 branch
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martin.lukasiewycz@CE006-4.TUMCREATE.LOCAL committed [df4830]
Fix indenting for XML output
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martin.lukasiewycz@CE006-4.TUMCREATE.LOCAL committed [634c66]
Changed visibility of bindConstant methods in O...
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Hi Courtney, You're right, I will change that. You can of course also use the Guice-way:...
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Dear Roland, Sorry for not responding for a year, I just dont have this forum here...
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Hi Roland, Nice to see some solid software engineering in research ;) I will try...
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Hi Courtney, The bindConstant is not really meant to be used directly (maybe they...
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Hi Courtney, The bindConstant are not really meant to be used directly (maybe they...
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Hi Kirus, you can implement an OptimizationIterationListener (http://opt4j.sourceforge.net/javadoc/3.1/org/opt4j/core/optimizer/OptimizerIterationListener.html)....
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Kirus posted a comment on discussion Open Discussion
Hello, I just started using Opt4J for my project and I really liked the graphical...
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I've had a difficult time finding certain methods in the JavaDoc. For instance, Opt4JModule.bindConstant...
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I solved the problem. Opt4JTask() by default sets closeOnStop to true. Opt4JTask(false)...
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Thank you. That fixed my NullPointerException. When I run my code I get a null value...
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Thank you. That fixed my NullPointerException. When I run my code I get a null value...
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Dear Courtney, we just checked your source code and found the problem: Please do...
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I attached my source code. All classes (Creator, Decoder, Evaluator, ProblemModule)...
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I used Maven to download Opt4J 3.1. I want to run my test code within Netbeans to...
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martin.lukasiewycz@CE006-4.TUMCREATE.LOCAL committed [616919]
Fix broken images on features website
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martin.lukasiewycz@CE006-4.TUMCREATE.LOCAL committed [2f22ad]
Tag as 3.1 branch
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martin.lukasiewycz@CE006-4.TUMCREATE.LOCAL committed [abe603]
Use wagon as deployer (to avoid timeouts with s...
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martin.lukasiewycz@CE006-4.TUMCREATE.LOCAL committed [57f728]
Close 3.1 branch
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True. It was definitely a bug in the viewer. However, I'm not sure if it is reasonable...
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Fixed with commit 155
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Wrong count of iterations with OptimizationMediator
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Seems this was fixed very quickly by Felix in commit 154
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Archive viewer crashes if an integer objective is sometimes infeasible
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2 infeasibles
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merged
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changed comparison
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fixed comparator
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Sebastian Graf created ticket #28
Archive viewer crashes if an integer objective is sometimes infeasible
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