This post aims at providing some intuition and meaning for the following algebra relationship: Reduced ring – Radical ideal – Nilpotent Reduced ring – Radical ideal – Nilpotent A basic…

## Quick method to find line of shortest distance for skew lines

In linear algebra it is sometimes needed to find the equation of the line of shortest distance for two skew lines. What follows is a very quick method of finding…

## A temperature instability in our FEM model

The geometry The simulation domain is 30×1 km, depicting a fjord. The right boundary faces the open ocean, the horizontal top boundary faces the atmosphere, the bottom is the bedrock,…