pysib — System Identification Toolbox
pysib is a System Identification Toolbox for identifying discrete-time SISO dynamic systems from input/output data.
The package implements classical polynomial model structures used in system identification, with an emphasis on reliable model estimation rather than fast black-box routines.
Documentation: https://pysib.net/
Install
pip install pysib
Requirements: Python >= 3.9, NumPy, SciPy, Matplotlib, and LAPACK (Accelerate on macOS, liblapack on Linux).
For development from a local checkout:
pip install -e .
Quick Start
import numpy as np
import pysib
from scipy.signal import lfilter
N = 1000
u = np.sin(np.arange(N) * 2 * np.pi / 100)
y = lfilter([0, 1], [1, -0.9], u) + 0.01 * np.random.randn(N)
# Estimate an ARX model by least squares
theta, model = pysib.arx(u, y, na=1, nb=1, nz=1)
# Estimate an Output Error model with the nonlinear optimizer
theta, model = pysib.oe(u, y, nb=1, nf=1, nz=1)
# Use the estimated model
yp = pysib.predict(u, y, model)
ys = pysib.simulate(u, model)
All estimators return (theta, model), where theta is the estimated parameter vector and model is a dictionary with polynomial arrays A, B, C, D, and F.
Included API
- Estimators:
arx,iv,correlation,sm,oe,armax,bj,oe_filtered,armax_filtered,bj_filtered. - Model use:
predict,simulate. - Utility:
plota.
See https://pysib.net/ for the complete documentation.
Publications
- Documentation site: https://pysib.net/
- Software archive: https://doi.org/10.5281/zenodo.20572074
- User Manual: https://pysib.net/manual/main.pdf
- arXiv preprint: https://arxiv.org/abs/2606.26376
Test
python3 -m pytest tests/ -v
1 maintainer
Metadata
1 maintainer
Release files for pysib 0.2.5
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 | |
|---|---|---|---|---|
| pysib-0.2.5.tar.gz | 17.2 kB | Without provenance | Details |
Built distributions (wheels)
| File | Reset | |||
|---|---|---|---|---|
| pysib-0.2.5-cp314-cp314t-musllinux_1_2_x86_64.whl | CPython 3.14 | CPython 3.14 free-threading | Linux musl 1.2+ x86-64 | Details |
| pysib-0.2.5-cp314-cp314t-manylinux_2_27_x86_64.manylinux_2_28_x86_64.whl | CPython 3.14 | CPython 3.14 free-threading | Linux glibc 2.28+ x86-64, Linux glibc 2.27+ x86-64 | Details |
| pysib-0.2.5-cp314-cp314t-macosx_11_0_arm64.whl | CPython 3.14 | CPython 3.14 free-threading | macOS 11.0+ ARM64 | Details |
| pysib-0.2.5-cp314-cp314-musllinux_1_2_x86_64.whl | CPython 3.14 | CPython 3.14 | Linux musl 1.2+ x86-64 | Details |
| pysib-0.2.5-cp314-cp314-manylinux_2_27_x86_64.manylinux_2_28_x86_64.whl | CPython 3.14 | CPython 3.14 | Linux glibc 2.28+ x86-64, Linux glibc 2.27+ x86-64 | Details |
| pysib-0.2.5-cp314-cp314-macosx_11_0_arm64.whl | CPython 3.14 | CPython 3.14 | macOS 11.0+ ARM64 | Details |
| pysib-0.2.5-cp313-cp313-musllinux_1_2_x86_64.whl | CPython 3.13 | CPython 3.13 | Linux musl 1.2+ x86-64 | Details |
| pysib-0.2.5-cp313-cp313-manylinux_2_27_x86_64.manylinux_2_28_x86_64.whl | CPython 3.13 | CPython 3.13 | Linux glibc 2.28+ x86-64, Linux glibc 2.27+ x86-64 | Details |
| pysib-0.2.5-cp313-cp313-macosx_11_0_arm64.whl | CPython 3.13 | CPython 3.13 | macOS 11.0+ ARM64 | Details |
| pysib-0.2.5-cp312-cp312-musllinux_1_2_x86_64.whl | CPython 3.12 | CPython 3.12 | Linux musl 1.2+ x86-64 | Details |
| pysib-0.2.5-cp312-cp312-manylinux_2_27_x86_64.manylinux_2_28_x86_64.whl | CPython 3.12 | CPython 3.12 | Linux glibc 2.27+ x86-64, Linux glibc 2.28+ x86-64 | Details |
| pysib-0.2.5-cp312-cp312-macosx_11_0_arm64.whl | CPython 3.12 | CPython 3.12 | macOS 11.0+ ARM64 | Details |
| pysib-0.2.5-cp311-cp311-musllinux_1_2_x86_64.whl | CPython 3.11 | CPython 3.11 | Linux musl 1.2+ x86-64 | Details |
| pysib-0.2.5-cp311-cp311-manylinux_2_27_x86_64.manylinux_2_28_x86_64.whl | CPython 3.11 | CPython 3.11 | Linux glibc 2.28+ x86-64, Linux glibc 2.27+ x86-64 | Details |
| pysib-0.2.5-cp311-cp311-macosx_11_0_arm64.whl | CPython 3.11 | CPython 3.11 | macOS 11.0+ ARM64 | Details |
| pysib-0.2.5-cp310-cp310-musllinux_1_2_x86_64.whl | CPython 3.10 | CPython 3.10 | Linux musl 1.2+ x86-64 | Details |
| pysib-0.2.5-cp310-cp310-manylinux_2_27_x86_64.manylinux_2_28_x86_64.whl | CPython 3.10 | CPython 3.10 | Linux glibc 2.28+ x86-64, Linux glibc 2.27+ x86-64 | Details |
| pysib-0.2.5-cp310-cp310-macosx_11_0_arm64.whl | CPython 3.10 | CPython 3.10 | macOS 11.0+ ARM64 | Details |
| pysib-0.2.5-cp39-cp39-musllinux_1_2_x86_64.whl | CPython 3.9 | CPython 3.9 | Linux musl 1.2+ x86-64 | Details |
| pysib-0.2.5-cp39-cp39-manylinux_2_27_x86_64.manylinux_2_28_x86_64.whl | CPython 3.9 | CPython 3.9 | Linux glibc 2.27+ x86-64, Linux glibc 2.28+ x86-64 | Details |
| pysib-0.2.5-cp39-cp39-macosx_11_0_arm64.whl | CPython 3.9 | CPython 3.9 | macOS 11.0+ ARM64 | Details |
Total release size: 94.1 MB
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twine/6.2.0 CPython/3.13.13
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Release files / pysib-0.2.5-cp39-cp39-manylinux_2_27_x86_64.manylinux_2_28_x86_64.whl
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| Size | 4.6 MB |
| Tags | CPython 3.9 Linux glibc 2.27+ x86-64 Linux glibc 2.28+ x86-64 |
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Release files / pysib-0.2.5-cp39-cp39-macosx_11_0_arm64.whl
| Download URL | pysib-0.2.5-cp39-cp39-macosx_11_0_arm64.whl |
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Security for pysib 0.2.5
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