#  [](https://www.npmjs.com/package/@thi.ng/sparse)  [](https://mastodon.thi.ng/@toxi) > [!NOTE] > This is one of 209 standalone projects, maintained as part > of the [@thi.ng/umbrella](https://github.com/thi-ng/umbrella/) monorepo > and anti-framework. > > 🚀 Please help me to work full-time on these projects by [sponsoring me on > GitHub](https://github.com/sponsors/postspectacular). Thank you! ❤️ - [About](#about) - [Status](#status) - [Support packages](#support-packages) - [Related packages](#related-packages) - [Installation](#installation) - [Dependencies](#dependencies) - [API](#api) - [Authors](#authors) - [License](#license) ## About Sparse vector & matrix implementations. ## Status **ALPHA** - bleeding edge / work-in-progress [Search or submit any issues for this package](https://github.com/thi-ng/umbrella/issues?q=%5Bsparse%5D+in%3Atitle) ## Support packages - [@thi.ng/sparse-set](https://github.com/thi-ng/umbrella/tree/develop/packages/sparse-set) - TypedArray-based sparse set implementations with extended ES Set API ## Related packages - [@thi.ng/matrices](https://github.com/thi-ng/umbrella/tree/develop/packages/matrices) - Matrix & quaternion operations for 2D/3D geometry processing - [@thi.ng/vectors](https://github.com/thi-ng/umbrella/tree/develop/packages/vectors) - Optimized 2d/3d/4d and arbitrary length vector operations, support for memory mapping/layouts ## Installation ```bash yarn add @thi.ng/sparse ``` ESM import: ```ts import * as spa from "@thi.ng/sparse"; ``` Browser ESM import: ```html ``` [JSDelivr documentation](https://www.jsdelivr.com/) For Node.js REPL: ```js const spa = await import("@thi.ng/sparse"); ``` Package sizes (brotli'd, pre-treeshake): ESM: 3.76 KB ## Dependencies - [@thi.ng/api](https://github.com/thi-ng/umbrella/tree/develop/packages/api) - [@thi.ng/errors](https://github.com/thi-ng/umbrella/tree/develop/packages/errors) - [@thi.ng/transducers](https://github.com/thi-ng/umbrella/tree/develop/packages/transducers) Note: @thi.ng/api is in _most_ cases a type-only import (not used at runtime) ## API [Generated API docs](https://docs.thi.ng/umbrella/sparse/) TODO ## Authors - [Karsten Schmidt](https://thi.ng) If this project contributes to an academic publication, please cite it as: ```bibtex @misc{thing-sparse, title = "@thi.ng/sparse", author = "Karsten Schmidt", note = "https://thi.ng/sparse", year = 2018 } ``` ## License © 2018 - 2025 Karsten Schmidt // Apache License 2.0