Skip to content
GitLab
Explore
Sign in
Register
Primary navigation
Search or go to…
Project
R
racr-mquat
Manage
Activity
Members
Labels
Plan
Issues
Issue boards
Milestones
Wiki
Code
Merge requests
Repository
Branches
Commits
Tags
Repository graph
Compare revisions
Deploy
Releases
Model registry
Monitor
Incidents
Analyze
Value stream analytics
Contributor analytics
Repository analytics
Model experiments
Help
Help
Support
GitLab documentation
Compare GitLab plans
GitLab community forum
Contribute to GitLab
Provide feedback
Keyboard shortcuts
?
Snippets
Groups
Projects
Show more breadcrumbs
René Schöne
racr-mquat
Wiki
Current Problems
Changes
Page history
Wiki actions
New page
Templates
Clone repository
More explaination for Thoughts on constraints.
authored
Jun 12, 2015
by
René Schöne
Some of the current problems.
Show whitespace changes
Inline
Side-by-side
Showing
1 changed file
Current Problems.md
+15
-0
15 additions, 0 deletions
Current Problems.md
with
15 additions
and
0 deletions
Current Problems.md
0 → 100644
View page @
30519870
# Current problems
## Different results between lp_solve and glpk for Java-based generated ILPs
-
Java-based System-Generator creates a system plus request
-
Java-based ILP-Generator takes system plus request, and creates and ILP for lp_solve
-
own python script changes syntax to match expected format for glpk
-
lp_solve and glpk find different solution, with different objective
-
example: 10_10_1_2, lp_solve 117.00000000, glpk 95.52083074
-
glpk returns bad values for binary vars, e.g. 0.348485
## Slow Larceny
-
Although Larceny compiles to machine code, it runs significantly slower than racket
-
For ILP-Generaration, it should be the attribute ilp-nego-hw and ilp-nego-hw0
This diff is collapsed.
Click to expand it.