16th September 2013

Inspired by a discussion with my son regarding movement of a point-charge between two other charges I revisited the definition of the line integral. Wikipedia offers an excellent visualization of the definition of the line integral for a vector field. See animated graphic below:

This is something a book barely can do.

BTW, still today, I find multivariate calculus interesting, see On Differential Forms.

**Categories: **mathematics
**Tags: **, , , , , ,
**Author: **Elmar Klausmeier