Since I’ve received a number of calls for help with regard to my software packages, in particular MeshPy and PyLinear, I’ve decided to create a public forum for these requests for help. Here they are: the MeshPy forum and the PyLinear forum.

Here’s to years of useful …

If you get errors like

multiple definition of 
`_ZN5boost7numeric5ublas21scalar_divides_assignIT_T0_E8computedE'

when compiling PyLinear, it is because of this GCC bug, and it’s quite likely that you are using GCC 4.1. Supposedly, this will be fixed in GCC 4.2. This bug will likely also affect other UBLAS applications.

The …

As part of the course requirements for the mechanics class I took, a team of which I was a part designed a Rattleback. A rattleback is a top that appears to have a preferred direction of rotation, i.e. if you start spinning it the wrong way, it (unintuitively) will …