Timeline


and

Apr 22, 2009:

5:48 PM Changeset [1291] by wehart
Rework of some tests. The changes in Pyomo's management of Objective …
5:48 PM Changeset [1290] by wehart
Rework of Pyomo to enable preprocessor actions to manage all …
5:37 PM Changeset [1289] by wehart
Removing the variable_map() method from writers. Now, we assume that …
5:35 PM Changeset [1288] by wehart
Resurreting the param.out output file, which was accidentally …
4:54 PM Changeset [1287] by jwatson
Tweaks of the SIZES pysp example to report per-stage costs.
4:46 PM Changeset [1286] by jwatson
Clean up of some debug output.
4:43 PM Changeset [1285] by jwatson
Tweaked scenario probabilities in farmer model (improved precision).
4:41 PM Changeset [1284] by jwatson
Added per-node (in the scenario tree) cost computations, and output …
3:22 PM Changeset [1283] by jwatson
Addition of stage-specific cost variables to farmer example, including …
3:22 PM Changeset [1282] by jwatson
Added specification and storage of stage-specific cost variables to …
3:00 PM Changeset [1281] by jwatson
Introduced first and second-stage cost variables to the farmer …
2:55 PM Changeset [1280] by jwatson
The CPLEX LP format assumes default variable bounds equal to 0 and …
2:08 PM Changeset [1279] by jwatson
Previous changes to problem_utils.py related to non-indexed variables …
1:36 PM Changeset [1278] by wehart
Updating baseline output, to account for the change of Param() domain …
1:34 PM Changeset [1277] by wehart
Updates to fix test failures that arose when changing the default …
1:21 PM Changeset [1276] by wehart
Adding missing files.
12:47 PM Changeset [1275] by jwatson
Forgot to remove some debug print statements in last commit.
12:26 PM Changeset [1274] by jwatson
Changed default domain of a Param to be Any, to be consistent with Set.

Apr 21, 2009:

3:25 PM Changeset [1273] by wehart
Adding documentation for the dot_product() function. Adding option to …
3:04 PM Changeset [1272] by jwatson
Corrected an issue with construction of PH-related expressions after …
2:10 PM Changeset [1271] by jwatson
The "index" keyword is optional in the dot_product utility if the …
2:02 PM Changeset [1270] by jwatson
Corrected a stupid mis-spelling of "acre"!
1:55 PM Changeset [1269] by jwatson
Further simplifications to the farmer deterministic LP.
1:34 PM Changeset [1268] by jwatson
Having fun with "farmer" pysp model simplification using the …
12:35 PM Changeset [1267] by wehart
Renaming inner_product to dot_product.

Apr 19, 2009:

6:08 PM Changeset [1266] by wehart
Adding logic to ignore the generation of constraints if the …
5:57 PM Changeset [1265] by wehart
Bug fixes to ensure that the RealSet? and IntegerSet? sets declare …
5:13 PM Changeset [1264] by wehart
Adding automatic computation of variable bounds based on the domain. …
4:28 PM Changeset [1263] by wehart
Adding 'inner_product', a function that computes multi-vector inner …
3:20 PM Changeset [1262] by wehart
Renaming the coopr/test/opt directory to coopr/test/plugins, since …
3:11 PM Changeset [1261] by wehart
Moving the 'reorg' branch into coopr/trunk.
3:10 PM Changeset [1260] by wehart
Deleting the Coopr trunk. I tried to merge changes from …
3:09 PM Changeset [1259] by wehart
Merging r1250:1257 from branches/reorg into trunk.
3:04 PM Changeset [1258] by wehart
A change in testing philosophy to ignore reordering effects in …
2:29 PM Changeset [1257] by wehart
Bug fixes in pyomo imports. Rework of unit tests to make them more …
2:06 PM Changeset [1256] by wehart
Setup coopr.core and coopr.plugins to work within the 'coopr.opt' …
1:49 PM Changeset [1255] by wehart
Adding a missing file. Adding properties to ignore *.pyc files.
1:45 PM Changeset [1254] by wehart
Rework of Coopr tests to segregate tests between 'core' and 'plugins'.
12:22 PM Changeset [1253] by wehart
Mostly converting coopr.opt references to coopr.core or coopr.plugins.
12:03 PM Changeset [1252] by wehart
Further reorg.
12:02 PM Changeset [1251] by wehart
Initial reorg.
11:57 AM Changeset [1250] by wehart
Creating a branch to test out a reorg of Coopr, to facilitate better …
11:52 AM Changeset [1249] by wehart
Ignoring *.pyc files.
11:50 AM Changeset [1248] by wehart
Disabling CPLEX tests for now. The CPLEX interface does not return …
8:51 AM Changeset [1247] by wehart
Bug fixes that were causing testing failures.

Apr 17, 2009:

4:47 PM Changeset [1246] by jwatson
Added output of PH objective values after each iteration (in verbose mode).
3:44 PM Changeset [1245] by jwatson
Added some formatting-related tweaks to PH, to aid debug/analysis.

Apr 16, 2009:

12:05 AM Changeset [1244] by wehart
Updates to improve the coverage of coopr.opt. This includes some …

Apr 15, 2009:

6:55 PM Changeset [1243] by jwatson
Added output of objective statistics for iteration 0 of PH - …
6:16 PM Changeset [1242] by jwatson
Added convergence class hierarchy to PH, and modified farmer+sizes …
3:05 PM Changeset [1241] by jwatson
The CPLEX LP format only allows 510 characters per line, which we were …
12:54 PM Changeset [1240] by jwatson
Added output of max-min spread to pprint() for PH at each iteration, …
12:41 PM Changeset [1239] by jwatson
Improved output for PH relating to weights, averages, and values. I …

Apr 14, 2009:

5:27 PM Changeset [1238] by jwatson
Fixed (with Bill's second pair of eyes) a missing "abs" when …
4:20 PM Changeset [1237] by jwatson
There are situations when solvers (e.g., CPLEX) don't write a solver …
4:10 PM Changeset [1236] by jwatson
Clear the solution cache prior to reading CPLEX solver results.
3:22 PM Changeset [1235] by jwatson
For MIPs, added "slack" suffix to solutions and modified CPLEX solver …
2:46 PM Changeset [1234] by jwatson
Correctly populated the demands for each of the 10 scenarios in the …
2:25 PM Changeset [1233] by jwatson
Fixed issue with module re-definition a while back relating to PySP - …
1:27 PM Changeset [1232] by jwatson
More cleanup / simplification of the two-period SIZES model.
1:10 PM Changeset [1231] by jwatson
Created precise variable domains for the SIZES problem, explicitly …

Apr 11, 2009:

4:51 PM Changeset [1230] by jwatson
Added stable version of (deterministic) forest harvesting planning example.
4:42 PM Changeset [1229] by jwatson
Improvement in error messages generated during expression …
4:25 PM Changeset [1228] by jwatson
Improved output messages for identifying which constraint/index pair …
4:08 PM Changeset [1227] by jwatson
Added index to constraint class pprint() function, to aid debugging.
11:29 AM Changeset [1226] by jwatson
The "sys" module (sys.out) wasn't being imported in the constraint …

Apr 7, 2009:

12:18 AM Changeset [1225] by jwatson
Addition of more debug information when _Collect1 simplification fails …

Mar 29, 2009:

12:14 PM Changeset [1224] by wehart
Removing errors in presolvers. Note that this functionality does not …

Mar 26, 2009:

1:58 AM Changeset [1223] by wehart
Rename of commit info.
1:58 AM Changeset [1222] by wehart
Testing commits…
1:42 AM Changeset [1221] by wehart
Adding hooks to support presolves. I'm not sure if this works right …
1:19 AM Changeset [1220] by wehart
Merged revisions 1217-1219 via svnmerge from …
1:15 AM Changeset [1219] by wehart
Update of PyPi? instructions.
1:01 AM Changeset [1218] by wehart
Update of documentation.

Mar 25, 2009:

7:46 PM Changeset [1217] by wehart
Fixing typo in the copyright statement used in Coopr source files.
7:30 PM Changeset [1216] by wehart
Initialized merge tracking via "svnmerge" with revisions "1-1214" from …
7:23 PM Changeset [1215] by wehart
Creating the 1.1 stable branch.

Mar 23, 2009:

11:36 PM Changeset [1214] by jwatson
Installed pysp as a "real" coopr package, shifted farmer test data out …
4:47 PM Changeset [1213] by jwatson
Addition of two-period sizes model, created by explicitly replicating …
Note: See TracTimeline for information about the timeline view.