What is Viridicle?

Viridicle is a library for simulating stochastic graphical ecological models. It implements the continuous time models described in Section 6 of Durrett and Levin 1994. The library is written in C for speed, but has a Python API for ease of use. It supports well-mixed systems, multi-dimensional periodic lattices, and arbitrary graphs, with up to 256 species, and is substantially faster than comparable software written in Python alone.

Viridicle models an ecological system as a graph, where each vertex denotes a discrete site - an island, an oasis, a point on a Petri dish, etc. Each site is small enough that we can model its state by assigning it a single number specifying which species is occupying it. Traditionally, 0 denotes an unoccupied site, but neither the mathematics nor the code require this.

The system changes over time as a continuous-time Markov chain, where each directed edge in the system is a Poisson point process. That is, at any given moment, for every edge in the system, the time until the edge's vertices change to state is exponentially distributed with some rate that depends on the state of the system. The model is implemented using the Gillespie algorithm. For further details, consult the documentation.

Installation

To install Viridicle from the PyPi repo, run:

pip install viridicle

If you want to compile from source yourself, first make sure that you have gcc installed, along with Python, including its development headers. Then, run:

git clone https://github.com/TheoremEngine/viridicle.git
cd viridicle
python3 setup.py install

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Avatar for MarkLowell from gravatar.com MarkLowell

Credits

Author: Mark Lowell

License

GNU General Public License v3 or later (GPLv3+)

Requires

Python >=3.6

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  • Released:
Latest release

1 maintainer

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Credits

Author: Mark Lowell

License

GNU General Public License v3 or later (GPLv3+)

Requires

Python >=3.6

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Release files for viridicle 0.1.1

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Table of built distributions (wheels) for viridicle 0.1.1
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viridicle-0.1.1-cp39-cp39-win_amd64.whl 77.4 kB Without provenance CPython 3.9 CPython 3.9 Windows x86-64 Details
viridicle-0.1.1-cp39-cp39-manylinux2010_x86_64.whl 196.0 kB Without provenance CPython 3.9 CPython 3.9 Linux glibc 2.12+ x86-64 Details
viridicle-0.1.1-cp39-cp39-manylinux1_x86_64.whl 196.0 kB Without provenance CPython 3.9 CPython 3.9 Linux glibc 2.5+ x86-64 Details
viridicle-0.1.1-cp39-cp39-macosx_10_9_x86_64.whl 78.3 kB Without provenance CPython 3.9 CPython 3.9 macOS 10.9+ x86-64 Details
viridicle-0.1.1-cp38-cp38-win_amd64.whl 77.4 kB Without provenance CPython 3.8 CPython 3.8 Windows x86-64 Details
viridicle-0.1.1-cp38-cp38-manylinux2010_x86_64.whl 197.5 kB Without provenance CPython 3.8 CPython 3.8 Linux glibc 2.12+ x86-64 Details
viridicle-0.1.1-cp38-cp38-manylinux1_x86_64.whl 197.5 kB Without provenance CPython 3.8 CPython 3.8 Linux glibc 2.5+ x86-64 Details
viridicle-0.1.1-cp38-cp38-macosx_10_9_x86_64.whl 78.3 kB Without provenance CPython 3.8 CPython 3.8 macOS 10.9+ x86-64 Details
viridicle-0.1.1-cp37-cp37m-win_amd64.whl 77.2 kB Without provenance CPython 3.7 CPython 3.7 pymalloc Windows x86-64 Details
viridicle-0.1.1-cp37-cp37m-manylinux2010_x86_64.whl 199.9 kB Without provenance CPython 3.7 CPython 3.7 pymalloc Linux glibc 2.12+ x86-64 Details
viridicle-0.1.1-cp37-cp37m-manylinux1_x86_64.whl 199.9 kB Without provenance CPython 3.7 CPython 3.7 pymalloc Linux glibc 2.5+ x86-64 Details
viridicle-0.1.1-cp37-cp37m-macosx_10_9_x86_64.whl 78.1 kB Without provenance CPython 3.7 CPython 3.7 pymalloc macOS 10.9+ x86-64 Details
viridicle-0.1.1-cp36-cp36m-win_amd64.whl 72.9 kB Without provenance CPython 3.6 CPython 3.6 pymalloc Windows x86-64 Details
viridicle-0.1.1-cp36-cp36m-manylinux2010_x86_64.whl 156.6 kB Without provenance CPython 3.6 CPython 3.6 pymalloc Linux glibc 2.12+ x86-64 Details
viridicle-0.1.1-cp36-cp36m-manylinux1_x86_64.whl 156.6 kB Without provenance CPython 3.6 CPython 3.6 pymalloc Linux glibc 2.5+ x86-64 Details
viridicle-0.1.1-cp36-cp36m-macosx_10_9_x86_64.whl 67.8 kB Without provenance CPython 3.6 CPython 3.6 pymalloc macOS 10.9+ x86-64 Details

Total release size: 2.1 MB

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