Magro is a minimal image processing library for Ruby. Magro uses Numo::NArray arrays as image objects and provides basic image processing functions. Current supporting features are reading and writing JPEG and PNG images, image resizing with bilinear interpolation method, and image filtering.

Numo::GSL development version.

rubydown is R Markdown clone for Rubyists.

Classify short texts with neural network

Computer vision datasets, transforms, and models for Ruby

High performance t-SNE for Ruby

Anngler is an approximate nearest neighbor search for points in n-dimensional space that are close in terms of cosine distance to a given point. The gem is built with serverless architecture in mind with Redis but it also offers a local in-memory storage.

satellite orbit calculation, power calculation, etc.

CArray interface to Numo::NArray

To expand ruby math operations this gem call to others such as Numo:narray and others and implements methods onto them to deal with our needs

Gaussian Filter

Reaction diffusion system (Gray-Scott model).

Lbfgsb.rb is a Ruby binding for L-BFGS-B that is a limited-memory algorithm for solving large nonlinear optimization problems subject to simple bounds on the variables.

Anomaly detection using gaussian distribution, written in ruby

A Ruby FFI interface to the JACK Audio Connection Kit

Ruby code for encoding, decoding, and processing positional audio. This code accompanies my educational video series about sound.

Meshgrid generator for 2D & 3D Numo::Narray.

Function module similar to `filter` in MatLab or Octave.

Multivariate Optimization Library in Ruby. Mopti supports Nelder-Mead simplex method and Scaled Conjugate Gradient.

Extracts data from a double precision floating point binary file. 倍精度浮動小数点バイナリファイルからデータを抽出するよ。