Just a couple of physics notes: I wrote r as a scalar. This is the magnitude of the vector r.; The 1 over 4πε 0 is just a constant.; Electric potential is a scalar quantity, not a vector.

How to make Annotated Heatmaps in Python with Plotly. Here is a fairly contrived example showing how one can display a periodic table with custom text and hover using ff.create_annotated_heatmap() ...

How to add dropdowns to update Plotly chart attributes in Python. The "update" method should be used when modifying the data and layout sections of the graph. This example demonstrates how to update ...

Plotly's Dash framework is a life-saver for Python developers who want to develop complete data apps and interactive dashboards without JavaScript, but you'll need to have the right guide to make sure ...