# gl-mat2

> gl-matrix's mat2, split into smaller pieces

Latest version **1.0.1** (published 2017-09-03) · zlib license · 0 weekly downloads

## Install

```sh
npm install gl-mat2
pnpm add gl-mat2
yarn add gl-mat2
bun add gl-mat2
```

## Health

**Score 15/100 (F)** — status: abandoned.

Positive: no vulnerabilities.

Warnings: low downloads; no types; no esm support.

Negative: abandoned; low maintenance score.

## Facts

| | |
|---|---|
| Version | 1.0.1 |
| Published | 2017-09-03 |
| First published | 2014-07-17 |
| Weekly downloads | 0 |
| License | zlib |
| TypeScript types | none |
| Module format | CommonJS |
| Dependencies | 0 |
| Known vulnerabilities | 0 |
| Install scripts | no |
| GitHub stars | 7 |
| Maintainers | mikkoh, tatumcreative, wwwtyro, rezaali, mikolalysenko, chrisdickinson, mattdesl, substack, hughsk, thibauts, yoshuawuyts |
| Keywords | gl-matrix, matrix, maths |

## Links

- npm: https://www.npmjs.com/package/gl-mat2
- Repository: https://github.com/gl-modules/gl-mat2
- Issues: https://github.com/gl-modules/gl-mat2/issues
- npm.io page: https://npm.io/package/gl-mat2

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## Recent versions

- 1.0.1 (latest) — 2017-09-03
- 1.0.0 — 2014-07-17

## README

# gl-mat2 [![stable](http://badges.github.io/stability-badges/dist/stable.svg)](http://github.com/badges/stability-badges)

Part of a fork of [@toji](http://github.com/toji)'s
[gl-matrix](http://github.com/toji/gl-matrix) split into smaller pieces: this
package contains `glMatrix.mat2`.

## Usage

[![NPM](https://nodei.co/npm/gl-mat2.png)](https://nodei.co/npm/gl-mat2/)

### `mat2 = require('gl-mat2')`

Will load all of the module's functionality and expose it on a single
object. Note that any of the methods may also be required directly
from their files.

For example, the following are equivalent:

``` javascript
var scale = require('gl-mat2').scale
var scale = require('gl-mat2/scale')
```

## API

  - [mat2.adjoint()](#mat2adjointoutmat2amat2)
  - [mat2.copy()](#mat2copyoutmat2amat2)
  - [mat2.create()](#mat2create)
  - [mat2.determinant()](#mat2determinantamat2)
  - [mat2.frob()](#mat2frobamat2)
  - [mat2.identity()](#mat2identityoutmat2)
  - [mat2.invert()](#mat2invertoutmat2amat2)
  - [mat2.ldu()](#mat2ldulmat2dmat2umat2amat2)
  - [mat2.multiply()](#mat2multiplyoutmat2amat2bmat2)
  - [mat2.rotate()](#mat2rotateoutmat2amat2radnumber)
  - [mat2.scale()](#mat2scaleoutmat2amat2vvec2)
  - [mat2.transpose()](#mat2transposeoutmat2amat2)

### `mat2.adjoint(out:mat2, a:mat2)`

  Calculates the adjugate of a mat2

### `mat2.copy(out:mat2, a:mat2)`

  Copy the values from one mat2 to another

### `mat2.create()`

  Creates a new identity mat2

### `mat2.determinant(a:mat2)`

  Calculates the determinant of a mat2

### `mat2.frob(a:mat2)`

  Returns Frobenius norm of a mat2

### `mat2.identity(out:mat2)`

  Set a mat2 to the identity matrix

### `mat2.invert(out:mat2, a:mat2)`

  Inverts a mat2

### `mat2.ldu(L:mat2, D:mat2, U:mat2, a:mat2)`

  Returns L, D and U matrices (Lower triangular, Diagonal and Upper triangular) by factorizing the input matrix

### `mat2.multiply(out:mat2, a:mat2, b:mat2)`

  Multiplies two mat2's

### `mat2.rotate(out:mat2, a:mat2, rad:Number)`

  Rotates a mat2 by the given angle

### `mat2.scale(out:mat2, a:mat2, v:vec2)`

  Scales the mat2 by the dimensions in the given vec2

### `mat2.transpose(out:mat2, a:mat2)`

  Transpose the values of a mat2

## License

[zlib](http://en.wikipedia.org/wiki/Zlib_License). See [LICENSE.md](https://github.com/stackgl/gl-mat2/blob/master/LICENSE.md) for details.

---
_Source: https://npm.io/package/gl-mat2 · Machine-readable twin of the npm.io package page. Health data is recomputed on every publish._