Update 3_numerical.rst #75

	name: Deploy Sphinx Docs to GitHub Pages

	on:
	push:
	branches: [ main ]

	permissions:
	contents: write

	jobs:
	build-and-deploy:
	runs-on: ubuntu-latest

	steps:
	- name: Checkout repository
	uses: actions/checkout@v4
	with:
	fetch-depth: 0

	- name: Install system dependencies
	run: \|
	sudo apt-get update
	sudo apt-get install -y doxygen

	- name: Set up Python
	uses: actions/setup-python@v4
	with:
	python-version: '3.x'

	- name: Install dependencies
	run: \|
	pip install Sphinx sphinx_rtd_theme

	- name: Build HTML
	run: sphinx-build -b html source build/html

	- name: Clean up nested Git metadata
	run: \|
	find build/html -type d -name .git -prune -exec rm -rf {} +


	- name: Deploy to gh-pages
	uses: peaceiris/actions-gh-pages@v4
	with:
	github_token: ${{ secrets.GITHUB_TOKEN }}
	publish_branch: gh-pages
	publish_dir: build/html

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