pydiffsol
Pydiffsol provides python bindings for diffsol, a Rust library for solving ordinary differential equations (ODEs) or semi-explicit differential algebraic equations (DAEs).
- Documentation: https://pydiffsol.readthedocs.io/en/latest
- Source code: https://github.com/alexallmont/pydiffsol
Equations are specified with diffsl, a domain specific language (DSL) that uses automatic differentiation to calculate the necessary jacobians, and JIT compilation using LLVM or Cranelift to generate efficient native code at runtime.
This provides the performance of Rust with the flexibility of Python. Users create a Python Ode object with DiffSL code, specifying the diffsol solver, matrix, linear solver and scalar types. All standard solver configuration settings such as tolerances, min step size, max newton steps etc. can be set through the Ode instance.
Currently supported solver types are BDF, ESDIRK34, TRBDF2 and TSIT45.
Wheels are built for linux, windows and macos.
Example usage
import pydiffsol as ds
import numpy as np
ode = ds.Ode(
"""
in { r = 1.0 }
k { 1.0 }
u { 0.1 }
F { r * u * (1.0 - u / k) }
""",
matrix_type=ds.nalgebra_dense,
)
# Solve up to t = 0.4, overriding r input param = 2.0
params = np.array([2.0])
solution = ode.solve(params, 0.4)
print(solution.ys, solution.ts)
# Above defaults to bdf. Try esdirk34 instead
ode.ode_solver = ds.esdirk34
solution = ode.solve(params, 0.4)
print(solution.ys, solution.ts)
1 maintainer
Metadata
1 maintainer
Release files for pydiffsol 0.6.2
For a detailed explanation of source distributions (sdists) and built distributions (wheels), please see the package formats documentation.
Source distribution (sdist)
| File | Size | Uploaded | Provenance | |
|---|---|---|---|---|
| pydiffsol-0.6.2.tar.gz | 241.3 kB | Without provenance | Details |
Built distributions (wheels)
| File | Reset | |||
|---|---|---|---|---|
| pydiffsol-0.6.2-cp310-abi3-win_amd64.whl | CPython 3.10 | abi3 | Windows x86-64 | Details |
| pydiffsol-0.6.2-cp310-abi3-manylinux_2_28_x86_64.whl | CPython 3.10 | abi3 | Linux glibc 2.28+ x86-64 | Details |
| pydiffsol-0.6.2-cp310-abi3-manylinux_2_28_aarch64.whl | CPython 3.10 | abi3 | Linux glibc 2.28+ ARM64 | Details |
| pydiffsol-0.6.2-cp310-abi3-macosx_14_0_arm64.whl | CPython 3.10 | abi3 | macOS 14.0+ ARM64 | Details |
Total release size: 154.2 MB
Release files / pydiffsol-0.6.2.tar.gz
| Download URL | pydiffsol-0.6.2.tar.gz |
|---|---|
| Size | 241.3 kB |
| Tags | Source |
|
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Release files / pydiffsol-0.6.2-cp310-abi3-win_amd64.whl
| Download URL | pydiffsol-0.6.2-cp310-abi3-win_amd64.whl |
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| Size | 4.4 MB |
| Tags | CPython 3.10 Windows x86-64 abi3 |
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Release files / pydiffsol-0.6.2-cp310-abi3-manylinux_2_28_x86_64.whl
| Download URL | pydiffsol-0.6.2-cp310-abi3-manylinux_2_28_x86_64.whl |
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| Size | 54.4 MB |
| Tags | CPython 3.10 Linux glibc 2.28+ x86-64 abi3 |
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Release files / pydiffsol-0.6.2-cp310-abi3-manylinux_2_28_aarch64.whl
| Download URL | pydiffsol-0.6.2-cp310-abi3-manylinux_2_28_aarch64.whl |
|---|---|
| Size | 51.0 MB |
| Tags | CPython 3.10 Linux glibc 2.28+ ARM64 abi3 |
|
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Release files / pydiffsol-0.6.2-cp310-abi3-macosx_14_0_arm64.whl
| Download URL | pydiffsol-0.6.2-cp310-abi3-macosx_14_0_arm64.whl |
|---|---|
| Size | 44.1 MB |
| Tags | CPython 3.10 abi3 macOS 14.0+ ARM64 |
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