Towards an intuition for the simple harmonic oscillator solution
The solution of the differential equation describing simple harmonic motion is often presented as-is, or “handed down from above”. Usually, there is no atte...
Recent posts
Of sines, cosines, and phase shifts
An alternative form for the solution of a simple harmonic oscillator caused some short-lived confusion and consternation. Resolving the conflict turned out ...
Analysing FIT data with Perl: interactive data analysis
Printing statistics to the terminal or plotting data extracted from FIT files is all well and good. One problem is that the feedback loops are long. Sometim...
Analysing FIT data with Perl: producing PNG plots
Last time, we worked out how to extract, collate, and print statistics about the data contained in a FIT file. Now we’re going to take the next logical step...
Analysing FIT data with Perl: basic beginnings
FIT files record the activities of people using devices such as sports watches and bike head units. Platforms such as Strava and Zwift understand this now q...