Viewing posts by christian
How wet was Cambridge in February?
Posted by: christian on 1 Mar 2024
Just a quick (20 min) analysis of the rainfall in Cambridge in February since 1996 to see how wet it has been compared with previous years. Data are taken from the amateur-maintained weather station on the roof of the Cambridge University Computer Laboratory.
The Kelvin wake pattern
Posted by: christian in Featured on frontpage on 20 Feb 2024
An object (ship, duck, etc.) travelling across the surface of water at a constant velocity $\boldsymbol{u}$ produces a characteristic wake pattern of waves first described by Lord Kelvin.
The two-dimensional wave equation
Posted by: christian in Featured on frontpage on 17 Feb 2024
The wave equation is a second-order linear partial differential equation describing the behaviour of mechanical waves; its two (spatial) dimensional form can be used to describe waves on a surface of water:
Analysing flight punctuality data for UK airports: I. Basic statistics for 2022
Posted by: christian in Featured on frontpage on 9 Feb 2024
The UK Civil Aviation Authority (CAA) publishes regular statistics on the punctuality of flights arriving at and departing UK airports. These data can be retrieved with the script available on the GitHub repository accompanying this blog article: get_data.py.
The equation of the circle through three points
Posted by: christian on 14 Oct 2023
The equation of the circle containing three (non-colinear) points can be found using the following procedure.