Numerix is an open-source Swift package that provides Complex, Vector, Matrix, and ShapedArray structures for performing linear algebra and other numerical computations on Apple devices. It uses the Accelerate framework to perform high-performance and energy-efficient calculations. More information is available on the Swift Package Index and the documentation website.
Warning
Numerix is under heavy development. Many things are missing and breaking changes will likely happen.
If using Xcode, select File and choose Add Package Dependencies... from the menu, then enter the URL for the Numerix GitHub repository which is https://github.com/wigging/numerix.
If editing a Package.swift manifest, add Numerix as a dependency such as:
dependencies: [
.package(url: "https://github.com/wigging/numerix", branch: "main")
]
targets: [
.target(name: "MyLibrary", dependencies: ["Numerix"])
]The final step is to import the package in a Swift file by using import Numerix.
The example below uses the Numerix package to perform matrix multiplication of two 3x3 matrices. The printed result is shown in the comments.
import Numerix
let a: Matrix = [[1, 2, 3],
[4, 5, 6.0],
[2, 3, 4]]
let b: Matrix = [[1, 2, 3.5],
[4, 5, 6],
[4, 5, 9.1]]
let c = a * b
print(c)
// ⎛ 21.0 27.0 42.8 ⎞
// ⎜ 48.0 63.0 98.6 ⎟
// ⎝ 30.0 39.0 61.4 ⎠
debugPrint(c)
// 3x3 Matrix<Double>
// ⎛ 21.0 27.0 42.8 ⎞
// ⎜ 48.0 63.0 98.6 ⎟
// ⎝ 30.0 39.0 61.4 ⎠Documentation for the Numerix package can be viewed here. The documentation can also be built and viewed in Xcode by selecting Product then Build Documentation from the Xcode menu.
Please read the contributing guidelines if you would like to contribute to the Numerix package. The guidelines discuss testing, documentation, code style, and other practices used for the development of this package.
