### Install Numo::NArray on Ubuntu/Debian/Windows

Source: https://www.rubydoc.info/gems/numo-narray/0.9.2.1/gems/numo-narray

Installs the Numo::NArray gem using apt and specific_install. This process requires git, Ruby development headers, rake, and make. It fetches and installs the gem directly from its GitHub repository.

```bash
apt install -y git ruby gcc ruby-dev rake make
gem install specific_install
gem specific_install https://github.com/ruby-numo/numo-narray.git
```

--------------------------------

### Build Numo::NArray from Source

Source: https://www.rubydoc.info/gems/numo-narray/0.9.2.1/gems/numo-narray

Instructions for building Numo::NArray from its GitHub repository. This involves cloning the repository, installing dependencies with Bundler, and compiling the native extensions.

```bash
git clone https://github.com/ruby-numo/numo-narray
cd numo-narray
bundle install
bundle exec rake compile
```

--------------------------------

### Run Tests for Numo::NArray

Source: https://www.rubydoc.info/gems/numo-narray/0.9.2.1/gems/numo-narray

Executes the test suite for the Numo::NArray gem. This command ensures the library is functioning correctly after building or making modifications. It also shows how to run tests for a specific line in a test file.

```bash
bundle exec rake test
bundle exec ruby test/bit_test.rb --location 27
```

--------------------------------

### Basic Usage of Numo::NArray in Ruby

Source: https://www.rubydoc.info/gems/numo-narray/0.9.2.1/gems/numo-narray

Demonstrates the basic usage of Numo::NArray in Ruby. It shows how to require the library, create a new DFloat array, access its shape, dimensions, class, and size.

```ruby
require "numo/narray"
a = Numo::DFloat.new(3,5).seq
a.shape
a.ndim
a.class
a.size
```

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