Random walk

While reading scientific publications, most of people, including a large part of the physicists, do not read the equations, since they think they are unable to understand them. However, it is rather easy to understand and then develop a feeling on the...

The problem Given a log-log data graph from published experimental results, I want to digitize the coordinates of the points in order to compare with my calculations. For this mission, you can use the great open source Digitizer (also available in Ubuntu...

In the situation you're reading an electronic book (PDF, DejaVu, etc), it is rather often the case to have a shift between the PDF page numbering and the book numbering. In this case, a very simple relation allows you to connect the PDF page number to...