Timeline


and

Jan 12, 2010:

10:58 PM Changeset [2157] by jwatson
Added upper bounds to SIZES PySP reference model, to test for …
10:46 PM Changeset [2156] by jwatson
More cleanup of SIZES pysp example, and output clarification in the WW …
5:25 PM Changeset [2155] by wehart
Adding a utility routine: results_attributes.
4:53 PM Changeset [2154] by jwatson
Added --report-solutions and --report-weights to runph.
4:34 PM Changeset [2153] by jwatson
Significant cleanup and improvement in the SIZES pysp example. Fixed …
2:25 PM Changeset [2152] by wehart
Bug fix.
11:13 AM Changeset [2151] by wehart
Adding gdp to dev configuration
11:12 AM Changeset [2150] by wehart
Renaming the subproject directory
11:06 AM Changeset [2149] by wehart
Initial organization of coopr.gdp
1:16 AM Changeset [2148] by wehart
Bug fixes and pyomo command tests.
12:44 AM Changeset [2147] by wehart
Fixing bugs
12:19 AM Changeset [2146] by wehart
Other updates from my laptop…
12:03 AM Changeset [2145] by wehart
A stab at refactoring the pyomo command-line script, to make it easier …

Jan 11, 2010:

11:57 PM Changeset [2144] by wehart
Changing some of the API to make file selection controlled by a …
9:47 PM Changeset [2143] by jwatson
Missed indentation fix to PySP ww PH extension plug-in.
8:47 PM Changeset [2142] by wehart
Bug fix. Parameter indices do not have a keys() attribute.
2:43 AM Changeset [2141] by wehart
Adding some notes from Dave. Drafting a preliminary GUI that supports …
1:01 AM Changeset [2140] by wehart
Adding missing file.
1:00 AM Changeset [2139] by wehart
Renaming directory.
12:59 AM Changeset [2138] by wehart
Preliminary commit of Pyomo GUI project.

Jan 10, 2010:

2:17 PM Changeset [2137] by wehart
Misc documentation updates.
1:35 PM Changeset [2136] by wehart
Adding a run() function.
12:43 PM Changeset [2135] by wehart
Adding Jython GUI components.
12:30 PM Changeset [2134] by wehart
Adding a preliminary Coopr project for a GUI that supports a Coopr …

Jan 7, 2010:

10:03 AM Changeset [2133] by wehart
A draft implementation of expressions for intrinsic functions.

Jan 6, 2010:

1:52 AM Changeset [2132] by jwatson
Adding 50-scenario network flow instances to PySP examples library.

Jan 4, 2010:

6:21 PM Changeset [2131] by jwatson
Various fixes in PH due to clean-up of Var and Param "None"-based …
6:03 PM Changeset [2130] by jwatson
Mirroring previous commit for singleton (non-indexed) parameters, …
5:41 PM Changeset [2129] by jwatson
I have changed the setitem interface for the variable base class …
1:59 AM Changeset [2128] by wehart
Adding the @set_options decorator, which can be used to specify …
12:39 AM Changeset [2127] by jwatson
Added pre iteration k callback to support CVaR plugin. Cleaned up a …

Jan 3, 2010:

11:48 PM Changeset [2126] by wehart
Adding FDT to the development configuration for Coopr.
7:00 PM Changeset [2125] by wehart
Extended collection of linear terms to ignore identity expressions in …
6:47 PM Changeset [2124] by wehart
Misc fixes.
1:52 AM Changeset [2123] by wehart
Misc changes to allow the fdt solver to show up as a plugin.
1:44 AM Changeset [2122] by wehart
Adding methods to clear objective/constraint data.
1:28 AM Changeset [2121] by wehart
Reorganizing some data.
1:27 AM Changeset [2120] by wehart
Migrating testing scripts and data to coopr.fdt
12:45 AM Changeset [2119] by wehart
Initialized merge tracking via "svnmerge" with revisions "1-2111" from …
12:44 AM Changeset [2118] by wehart
Creating coopr.plugin stable 2.2 branch
12:41 AM Changeset [2117] by wehart
Initialized merge tracking via "svnmerge" with revisions "1-2111" from …
12:41 AM Changeset [2116] by wehart
Creating coopr.pysp stable 2.2
12:40 AM Changeset [2115] by wehart
Initialized merge tracking via "svnmerge" with revisions "1-2111" from …
12:40 AM Changeset [2114] by wehart
Creating coopr.pyomo stable 2.2 branch
12:39 AM Changeset [2113] by wehart
Initialized merge tracking via "svnmerge" with revisions "1-2111" from …
12:39 AM Changeset [2112] by wehart
Creating coopr.opt stable 2.2 branch

Jan 2, 2010:

6:14 PM Changeset [2111] by dlwoodr
drop scenariostrucutre.py and update the command line options for a …
4:52 PM Changeset [2110] by jwatson
Promoted the scenario tree model to a pysp/util package (with Bill's …
2:45 AM Changeset [2109] by wehart
Changing the API of the SolutionSet? object. Now, all variables, …
2:21 AM Changeset [2108] by wehart
Changes to make the API for Model() functions/attributes by 1-based …
2:03 AM Changeset [2107] by wehart
Updating solver heuristics to use xrange() and xsequence()
1:57 AM Changeset [2106] by wehart
Using the sequence() and xsequence() functions to further simplify …
1:50 AM Changeset [2105] by wehart
Adding an xsequence() function, which mimics xrange.
1:31 AM Changeset [2104] by wehart
Renamking some directories in the 'skel' projects.
1:29 AM Changeset [2103] by wehart
Creating coopr.plugins.skel. Misc fix in coopr.skel
1:18 AM Changeset [2102] by wehart
Creating a Coopr skeleton package, which can be used to jump-start the …
1:13 AM Changeset [2101] by wehart
A draft of coopr.fdt
1:01 AM Changeset [2100] by wehart
Adding information about termination conditions to CPLEX solver.
1:00 AM Changeset [2099] by wehart
Removing some tabs. Add option to allow a Model to be named in its …
12:59 AM Changeset [2098] by wehart
Allow expressions to be generated from a dictionary variable-id -> …
12:59 AM Changeset [2097] by wehart
Updating Model statistics after a transformation.
12:57 AM Changeset [2096] by wehart
Setup labeling for objectives.
12:57 AM Changeset [2095] by wehart
Renaming TerminationStatus? to TerminationCondition?. This is a more …
12:37 AM Changeset [2094] by wehart
Adding a sequence() function, which is analogous to range() for …

Dec 30, 2009:

2:26 AM Changeset [2093] by wehart
Tagging coopr.pysp release 2.1
2:24 AM Changeset [2092] by wehart
Merged revisions 2068-2091 via svnmerge from …
2:23 AM Changeset [2091] by wehart
Tagging coopr.pyomo release 2.1
2:22 AM Changeset [2090] by wehart
Merged revisions 2070-2089 via svnmerge from …
2:22 AM Changeset [2089] by wehart
Update to changelog.
2:07 AM Changeset [2088] by jwatson
Committing PySP change log in prep for 2.1 release.
1:59 AM Changeset [2087] by wehart
Tagging coopr.plugins release 2.1
1:58 AM Changeset [2086] by wehart
Merged revisions 2071-2085 via svnmerge from …
1:58 AM Changeset [2085] by wehart
Updating coopr.plugin changelog.
1:46 AM Changeset [2084] by wehart
Fixing coopr.misc changelog. I had accidentally updated this with …
1:40 AM Changeset [2083] by wehart
Tagging coopr.opt release 2.1
1:39 AM Changeset [2082] by wehart
Merged revisions 2080-2081 via svnmerge from …
1:39 AM Changeset [2081] by wehart
Misc edit
1:38 AM Changeset [2080] by wehart
Merged revisions 2072-2079 via svnmerge from …
1:38 AM Changeset [2079] by wehart
Update to coopr.opt changelog.
1:36 AM Changeset [2078] by wehart
Tagging coopr.misc release 2.1
1:34 AM Changeset [2077] by wehart
Merged revisions 2073-2076 via svnmerge from …
1:33 AM Changeset [2076] by wehart
Update to changelog.
1:02 AM Changeset [2075] by wehart
Tagging coopr.sucasa 2.0.1
12:56 AM Changeset [2074] by wehart
Tagging coopr.pysos 2.0.1 release
12:47 AM Changeset [2073] by wehart
Merged revisions 1947-2072 via svnmerge from …
12:46 AM Changeset [2072] by wehart
Merged revisions 1973-2071 via svnmerge from …
12:46 AM Changeset [2071] by wehart
Merged revisions 1971-2070 via svnmerge from …
12:45 AM Changeset [2070] by wehart
Merged revisions 1972-2069 via svnmerge from …
12:44 AM Changeset [2069] by wehart
Merged revisions 1951-2068 via svnmerge from …
12:43 AM Changeset [2068] by wehart
Merged revisions 1952-2067 via svnmerge from …
12:41 AM Changeset [2067] by wehart
Adding the 'bidict' package, which is used by FDT.

Dec 29, 2009:

10:54 PM Changeset [2066] by jwatson
Removed some TBD notes in the Benders example, and checked in the full …
8:39 PM Changeset [2065] by jwatson
Speed improvement to CPLEX solution reader - accessing solution …
5:16 PM Changeset [2064] by wehart
Misc rework of variable presolving. Now, model statistics are stored …
4:56 PM Changeset [2063] by wehart
Reformatting this example to make it narrower.
2:00 PM Changeset [2062] by jwatson
Added ef-mipgap option to PH scripts.
1:07 PM Changeset [2061] by jwatson
Fixing some option documentation in PH.
12:59 PM Changeset [2060] by jwatson
Elimnating some debug output.
12:58 PM Changeset [2059] by jwatson
Enabling garbage collection by default in PH.
12:57 PM Changeset [2058] by jwatson
Missed some _initialize_constraint function calls within the PySP EF …
1:54 AM Changeset [2057] by wehart
Misc cleanup of debugging facilities.

Dec 28, 2009:

11:18 PM Changeset [2056] by wehart
Fixes and tests for generating canonical representations.
4:15 PM Changeset [2055] by wehart
Some additional documentation.
4:07 PM Changeset [2054] by wehart
Pleliminary commit for a capability that can extract a canonical …

Dec 27, 2009:

2:50 AM Changeset [2053] by wehart
Adding ability to load a list or tuple of values into a Pyomo model. …
2:29 AM Changeset [2052] by wehart
Updating to variable naming. Special symbols are mapped to a name …
2:22 AM Changeset [2051] by wehart
Bug fix in the NEWGAP computation.
1:42 AM Changeset [2050] by wehart
Adding support for denoting constraint inequalities as 'strict'. …

Dec 26, 2009:

7:06 PM Changeset [2049] by wehart
coopr.pyomo baseline changes due to change in GLPK output.
7:06 PM Changeset [2048] by wehart
Reworking MIP plugins to more selectively print branch-and-bound …
7:04 PM Changeset [2047] by wehart
Removing some debugging print statements
6:13 PM Changeset [2046] by wehart
Resolving #3970. When a parameter is specified with a default value, …
2:23 PM Changeset [2045] by wehart
Bug fix to 'random' solver
1:58 PM Changeset [2044] by wehart
Adding a 'random' solver.

Dec 23, 2009:

11:00 PM Changeset [2043] by jwatson
Updated pyro_mip_server to accept warm-start files and transfer them …
11:00 PM Changeset [2042] by jwatson
Update of Pyro solver manager to propagate warm-start files to …
6:59 PM Changeset [2041] by jwatson
Grab the mipgap solver option from the pickled configuration data.
6:57 PM Changeset [2040] by jwatson
Adding transmission of solver mipgap across the Pyro distributed …
5:13 PM Changeset [2039] by jwatson
Missed fix with new constraint initialization syntax in PH linearization.
4:46 PM Changeset [2038] by dlwoodr
finish the job: we can now duplicate Fernando's example
4:38 PM Changeset [2037] by dlwoodr
add this example from Fernando

Dec 22, 2009:

11:31 PM Changeset [2036] by jwatson
Added "--solver-mipgap" option to the pyomo script, mirroring recent …
11:10 PM Changeset [2035] by jwatson
Added --scenario-mipgap option to PH script. Added _mipgap attribute …
11:08 PM Changeset [2034] by jwatson
Added ability to write the mipgap attribute (if not None) to the …
11:05 PM Changeset [2033] by jwatson
Adding "mipgap" attribute to the base solver class, mirroring the …
5:30 PM Changeset [2032] by jwatson
More readability improvements to the Benders example.
4:56 PM Changeset [2031] by jwatson
More prettification of the Benders example.
4:55 PM Changeset [2030] by jwatson
Added a "solve_all_instances" utility function to the solver manager …
11:52 AM Changeset [2029] by jwatson
Some fixes to the ef writer based on Bill's recent changes to …
11:50 AM Changeset [2028] by jwatson
Changed some references to "._model" to the new+improved ".model".
9:24 AM Changeset [2027] by wehart
Simplified the syntax for adding a constraint to a Constraint object.
1:27 AM Changeset [2026] by wehart
Attempting to update PH. I'm not sure if this works, since I don't …
1:23 AM Changeset [2025] by wehart
Reworking how components interact with models. Now, components can …

Dec 21, 2009:

12:22 PM Changeset [2024] by wehart
Added check to avoid printing an objective with an empty linear sum.

Dec 18, 2009:

6:38 PM Changeset [2023] by jwatson
Pyomo Benders example prettification and cleanup.
11:47 AM Changeset [2022] by wehart
Removing debugging IO
11:35 AM Changeset [2021] by wehart
Misc rework of exception management within Pyomo.
12:25 AM Changeset [2020] by wehart
Misc updates. Cleaning out old models that are no longer used. …

Dec 17, 2009:

11:59 PM Changeset [2019] by wehart
Misc fix. Adding symbol_map attribute. However, this isn't …
11:59 PM Changeset [2018] by wehart
Bug fix due to updates in results object.
11:34 PM Changeset [2017] by wehart
Preliminary rework of the amplbook2 examples.
9:48 PM Changeset [2016] by wehart
Adding helper functions that denote the number of constraints, …
9:33 PM Changeset [2015] by wehart
Adding tests to confirm that set/index dimensionality checks work as …
8:24 PM Changeset [2014] by wehart
Update to CPLEX baselines
6:32 PM Changeset [2013] by jwatson
Added fully-tested (whatever that means!) urc and lrc reduced-cost …
6:00 PM Changeset [2012] by jwatson
Some fixes to Benders example, identified when baseline-ing AMPL …
5:50 PM Changeset [2011] by wehart
A change in semantics for setting up dimen and dim. This change …
4:23 PM Changeset [2010] by wehart
Adding a transformation for eliminating fixed variables.
4:22 PM Changeset [2009] by wehart
Adding an 'index' attribute to variable value objects, which allows a …
4:21 PM Changeset [2008] by wehart
Adding helper functions for accessing constraints, variables and …
4:14 PM Changeset [2007] by wehart
Bug fix in output
10:06 AM Changeset [2006] by jwatson
Missed CPLEX.py in the transition from model _component[] to …
1:47 AM Changeset [2005] by wehart
Adding tests to exercise the Pyomo command-line. Reworked error …

Dec 16, 2009:

10:19 PM Changeset [2004] by wehart
1. Added --model-name option, which allos the specification of an …
1:17 AM Changeset [2003] by wehart
Adding default options to SolutionSet? object's call method. Thus, …
12:34 AM Changeset [2002] by wehart
Adding some tests to validate various types of output that are …
12:22 AM Changeset [2001] by wehart
Adding a plugin interface for model transformations. This can be …

Dec 14, 2009:

11:13 AM Changeset [2000] by wehart
Bug fix.
10:18 AM Changeset [1999] by wehart
Python 2.5 portability fixes.

Dec 13, 2009:

5:17 PM Changeset [1998] by jwatson
Changed references to _component to active_component.
5:17 PM Changeset [1997] by jwatson
Changing _component reference to active_component.
1:39 PM Changeset [1996] by wehart
JP's benders example with some misc edits. This runs, though I'm not …
1:32 PM Changeset [1995] by wehart
Adding a 'create_name' function that simplifies the setup of indexed …
1:01 PM Changeset [1994] by wehart
Initial setup of the PyomoModel?._name_conmap data structure. I've set …
1:57 AM Changeset [1993] by wehart
Adding support for component index deactivation. Again, this isn't …
1:33 AM Changeset [1992] by wehart
A rework of component management in Pyomo. This was initially started …
1:28 AM Changeset [1991] by wehart
Update to test baselines.
Note: See TracTimeline for information about the timeline view.