o create a web application using Jupyter and nbconvert, you will need to follow these steps:

1. First, make sure that you have Jupyter installed on your computer. If you don’t have it, you can install it by running pip install jupyter in your terminal.
2. Next, create a Jupyter notebook with the code and content that you want to include in your web application.
3. Once you have your Jupyter notebook ready, you can use the nbconvert command to convert it to an HTML file. To do this, run the following command in your terminal:

jupyter nbconvert --to html mynotebook.ipynb

or

jupyter nbconvert --execute mynotebook.ipynb --to html

This will create an HTML file called mynotebook.html in the same directory as your Jupyter notebook.

4. You can then open this HTML file in a web browser to view your web application.
5. If you want to deploy your web application to the internet, you will need to host the HTML file on a web server. There are many options for hosting web applications, including free options like GitHub Pages and paid options like Amazon Web Services or Google Cloud Platform.

It is generated Jupyter notebook example using mesh generation using ngsolve.

from ngsolve import *
# from netgen.geom2d import unit_square
from netgen.occ import unit_square
from ngsolve.webgui import Draw

mesh = Mesh(unit_square.GenerateMesh(maxh=0.1))

Draw (mesh);