This is the Computation representation of the variation of Electric Potential Due to Point Charge.
Reference:
[1] Let’s Code Physics. “Electric Potential from Charge Density (Computational Electromagnetism 2).” YouTube, 24 Aug. 2020, www.youtube.com/watch?v=pZ7O0bdUA2Q&list=PLdCdV2GBGyXOV45Sojhe-zCEV9Oz-pxvJ&index=2. Accessed 3 Feb. 2021.