gpfy

Name	gpfy JSON
Version	0.7.0 JSON
	download
home_page	None
Summary	Gaussian process with spherical harmonic features in JAX
upload_time	2025-08-24 15:23:37
maintainer	None
docs_url	None
author	None
requires_python	<3.14,>=3.11
license	Apache-2.0
keywords	gaussian process spherical harmonics jax
VCS
bugtrack_url
requirements	No requirements were recorded.
Travis-CI	No Travis.
coveralls test coverage	No coveralls.

            # $GP \mathcal{f} Y_\ell^m$

A lightweight library in JAX for Gaussian process with spherical kernels and sparse spherical harmonic inducing features.

$GP \mathcal{f} Y_\ell^m$ is based on the simple [flax.struct](https://github.com/google/flax/blob/main/flax/struct.py) dataclass. It implements [(Eleftheriadis et al. 2023)](https://arxiv.org/abs/2303.15948), which revisits the Sparse Gaussian Process with Spherical Harmonic features from [Dutordoir et al. 2020](http://proceedings.mlr.press/v119/dutordoir20a.html), and introduces:

1. `PolynomialDecay` kernel with "continuous" depth.
2. Sparse orthogonal basis derived from `SphericalHarmonics` features with phase truncation.

## Installation

### Latest (stable) release from PyPI

```bash
pip install gpfy
```

### Development version
Alternatively, you can install the latest GitHub `develop` version.
First create a virtual enviroment via conda:
```bash
conda create -n gpfy_env python=3.10.0
conda activate gpfy_env
```

Then clone a copy of the repository to your local machine and run the setup configuration in development mode:
```bash
git clone https://github.com/stefanosele/GPfY.git
cd GPfY
make install
```
This will automatically install all required dependencies.

Finally you can check the installation via running the tests:
```bash
make test
```

            

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