Skip to content
Navigation Menu
Sign in
Products
Platform
GitHub
Repository hosting, code review, and collaboration
Copilot
AI coding agent for tasks, projects, and automated work
Build & Ship
Actions
CI/CD and automation
Code Quality
Quality analysis, fixes, and enforcement
Codespaces
Cloud development environments
Secure
Code Security
Vulnerability detection and remediation
Secret Protection
Secret scanning and leak prevention
All Features
Developers
Learn
Documentation
Training
Certifications
Build
Build with Copilot
Customize Copilot
Integrations
Explore
Trending repos
GitHub Sponsors
Developer articles
Changelog
Changelog
Your source for the latest features, improvements, and fixes across GitHub products, all in one place.
Businesses
By Stage
Enterprises
Team
Startups
Nonprofits
By Industry
Healthcare
Financial services
Manufacturing
Government
See all industries
Evaluate GitHub
Why GitHub
Customer Stories
Business insights
Trust Center
Add-ons
GitHub Advanced Security
Enterprise-grade code security
Copilot for business
Enterprise-grade AI features
Premium Support
Enterprise-grade 24/7 support
Resources
Learn & Connect
Documentation
Resource center
Blog
Events & webinars
Community Forum
Customer Stories
Integrations
Support
Customer support
Training
GitHub Status
Company
About
Partners
Changelog
GitHub Universe
GitHub Universe
The event for developers, by developers — talks, workshops, and what’s next for GitHub.
Pricing
Search
/
Sign in
Sign up
Appearance settings
You signed in with another tab or window.
Reload
to refresh your session.
You signed out in another tab or window.
Reload
to refresh your session.
You switched accounts on another tab or window.
Reload
to refresh your session.
Dismiss alert
{{ message }}
energy-models
mathspec
Repository navigation
Code
Issues
79
(79)
Pull requests
27
(27)
Actions
Projects
Security and quality
Insights
More
items
All pull requests
Labels
32
(32)
Milestones
9
(9)
New pull request
Search pull requests
is
:
pr
state
:
open
is:pr state:open
Clear filter
Search
Pull requests
Open
27
(27)
Closed
690
(690)
Author
Label
Projects
Milestones
Reviews
Assignee
Sort by
Newest
descending
Sort…
Sort by Newest descending
More items
Comfortable display density
Compact display density
feat(language)!: maps give labels, relations give rows
#1001
·
FabianHofmann
opened
Nov 12, 2026
Contributor
·
4/4
·
·
1
feat(language): a dimension may list combinations
#999
·
FabianHofmann
opened
Nov 11, 2026
Contributor
·
·
1
1
fix(sos): a late-starting curve is no longer its hull
#994
·
FBumann
opened
Nov 10, 2026
Contributor
·
·
1
1
feat(piecewise)!: replace
piecewise
with
curve
macro (with PyPSA examples)
#992
·
brynpickering
opened
Nov 10, 2026
Contributor
·
·
4
docs(pypsa): the file states four more piecewise curves
#989
·
FabianHofmann
opened
Nov 9, 2026
Contributor
·
·
1
feat(language): a missing row reads per relation label
datarecord-alignment
v0.5.0
#984
·
FabianHofmann
opened
Nov 5, 2026
Contributor
·
3/4
·
·
1
4
feat(language): assumptions may require a row to exist
datarecord-alignment
v0.5.0
#982
·
FabianHofmann
opened
Nov 5, 2026
Contributor
·
2/4
·
·
1
1
feat(language): relation rows may index an entry
datarecord-alignment
v0.5.0
#980
·
FabianHofmann
opened
Nov 5, 2026
Contributor
·
1/4
·
·
1
13
feat(composition): rename gives a spec other names, so one fragment can serve several classes in one merge
#905
·
FBumann
opened
Oct 20, 2026
Contributor
·
2/2
·
·
4
docs(pypsa): the PyPSA spec is written as fragments, with each committable class, the relaxed commitment and the risk preference as layers that a model takes or leaves out
#902
·
FBumann
opened
Oct 20, 2026
Contributor
·
1/2
·
·
1
test: a fuzzer edits the example specs at random, runs in CI against a baseline, and keeps what it found as strict xfails
#893
·
FBumann
opened
Oct 16, 2026
Contributor
·
·
1
docs(pypsa): the pypsa spec names its fix, ext, commitment, maintenance and ramp row sets as masks
#888
·
FBumann
opened
Oct 15, 2026
Contributor
·
·
1
docs(pypsa): the linearized unit commitment names the units it tightens as a mask
#887
·
FBumann
opened
Oct 15, 2026
Contributor
·
·
1
feat(program): a program exports to JSON, so an engine in another language reads it
#842
·
FabianHofmann
opened
Oct 6, 2026
Contributor
·
·
1
2
test(bench): each public verb has a benchmark, measured from empty caches and reported by CodSpeed
#838
·
FBumann
opened
Oct 3, 2026
Contributor
·
·
4
feat(spec): a spec reports how its optimum moves with a parameter, which for a fixed decision is a Benders cut
#826
·
FBumann
opened
Oct 1, 2026
Contributor
·
3/3
·
·
1
feat(spec): a decided variable becomes a supplied number in one call, so a subproblem is not a second file
area: composition
#824
·
FBumann
opened
Oct 1, 2026
Contributor
·
2/3
·
·
1
3
docs(examples): the GEMS basic models library is written as one fragment per GEMS model
docs
#819
·
FBumann
opened
Oct 1, 2026
Contributor
·
1/2
·
·
4
docs: an example page renders its spec when the site builds, so the tree holds only its prose
docs
#812
·
FabianHofmann
opened
Oct 1, 2026
Contributor
·
·
1
1
docs: a page compares mathspec with GEMS
docs
#805
·
FBumann
opened
Oct 1, 2026
Contributor
·
2/2
·
·
5
docs(pypsa): the generator spec declares PyPSA's generator attributes and derives its period, cost and commitment data from them
docs
#802
·
FabianHofmann
opened
Oct 1, 2026
Contributor
·
·
docs(calliope): all of calliope's math is a set of fragments that merge, with its modes laid over them as patches
area: composition
docs
#770
·
FBumann
opened
Sep 28, 2026
Contributor
·
·
6
feat: advice names the assumption that proves a quadratic objective or row convex
#747
·
FBumann
opened
Sep 27, 2026
Contributor
·
2/4
·
·
2
feat: a program names its problem class and proves from the file whether its quadratic part is convex
design: accepted
#746
·
FBumann
opened
Sep 27, 2026
Contributor
·
1/4
·
·
5
feat(language): a spec file declares how its names print, one symbol table per notation, and composed files join their tables
area: typesetting
#716
·
FBumann
opened
Sep 25, 2026
Contributor
·
·
1
3
Previous
1
2
Next
You can’t perform that action at this time.