PyPI Stats
whalenpt

rkstiff

Runge-Kutta adaptive-step solvers for nonlinear PDEs. Solvers include both exponential time differencing and integrating factor methods.
PyPI GitHub
Downloads
Day
24
Week
58
Month
420
Stars
15
Forks
2
Issues
0
Version
1.0.2

Package Insights

What's this?
Score breakdown - each component scores 0–100, weighted by percentage
Maintenance
55
Popularity
21
Adoption
26
Community
20
How the maintenance status was determined
Last commit
171 days ago
Monthly downloads
420
Active
Activity within 30 days
• Stable
Activity within 31-180 days
Minimal
Activity within 181-365 days, or no activity data
At Risk
No activity for > 365 days, but > 10,000 monthly downloads
Archived
Repository flagged as archived on GitHub
How the popularity category was determined
Monthly downloads
420
Stars
15
Stars per 1k downloads
35.71
Industry Standard
> 10,000,000 monthly downloads
Hidden Gem
< 0.5 stars per 1k downloads and > 100,000 monthly downloads
Community Favorite
> 5 stars per 1k downloads
Rising Star
Balanced ratio of stars to downloads
• Unknown
Fewer than 1,000 monthly downloads, or no star data
Needs at least 1,000 monthly downloads to classify popularity.
How download momentum is calculated
Week daily avg
8
Month daily avg
14
Momentum
—
((week_daily_avg - month_daily_avg) / month_daily_avg) * 100
Momentum not reported for packages with < 5,000 monthly downloads — percentages are noisy at low volume.
Python version support tiers
requires_python
>=3.9
Cutting Edge
Minimum supported version is 3.12 or newer
• Modern
Minimum supported version is 3.9, 3.10, or 3.11
Legacy
Supports 3.8 or older (or Python 2)
Unknown
No requires_python specified or unparseable
License categories
License
MIT License
• Permissive
MIT, Apache, BSD, ISC, Unlicense, CC0, etc.
Copyleft
GPL, LGPL, AGPL, MPL, EPL, etc.
Proprietary
Commercial, all rights reserved, custom EULAs
Unknown
No license specified, or none of the above match
How the release cadence was determined
Last release
171 days ago
Total releases
12
Releases/year
2.3
Rapid
Last release within 365 days and > 12 releases/year
• Regular
Last release within 365 days
Slow
Last release 366-730 days ago
Stalled
Last release > 730 days ago, or no releases
Unknown
No usable release date available
How contributor risk was determined
Contributors
1
Monthly downloads
420
High Load
≤ 2 contributors and ≥ 50,000 monthly downloads
Moderate Load
< 10 contributors and ≥ 500,000 monthly downloads
Low Load
< 25 contributors and ≥ 5,000,000 monthly downloads, or sole maintainer with ≥ 10,000 monthly downloads
• Balanced
Enough contributors for the package's popularity
Unknown
No contributor data available
Engagement
24
 
Issue Burden
-
per 1k stars
Discussions
-
per 1k stars
Fork Ratio
50.0%
contrib / forks
Stale Release
No
 
PR Velocity
Active
 

Weekly Downloads

GitHub Stars

Not all downloads include detailed metadata. Breakdowns reflect the subset that does.

Downloads by OS

No OS data available

Python Versions

No Python version data available

Top Countries

1. CA CA
1
2. US US
1

Dependencies

2
19 optional dependencies

Used By

1

Package Information

License
MIT License
First Release
March 1, 2021
Last Release
5 months ago
Last Commit
5 months ago
Latest Version
1.0.2
Total Releases
12
Contributors
1
Open PRs
1
Archived
No
Python Versions
3 3.9 3.10 3.11 3.12 3.13
Wheels
py2 py3
Keywords
ETD Runge-Kutta Nonlinear PDEs
Topics
runge-kutta nonlinear-pde partial-differential-equations adaptive-stepsize exponential-time-differencing integrating-factor spectral-methods hankel-tranform nls kdv sine-gordon burgers-equation kuramoto-sivashinsky
Tracking Since
January 14, 2026
Data Updated
May 3, 2026
Data Freshness
Fresh

Links