Articles — Page 3

Kelvin WedgeDerivationNegative Result

Axisymmetric Angular Fourier Modes and Hankel Transform of a Radial Heaviside Pressure Field

The math is sound. The method is not. We consider an axisymmetric pressure distribution \(p(r, \theta)=\bar{p} H(r-l)\) (radial dependence only) and show that its angular Fourier…

Mathematics

UK Driving School & Car Words

Knowledge related to the UK driving test

Life Notes
Leetcode

Add Two Numbers - References in Python (with C++ Comparisons)

Python variables do not store raw values directly but instead hold references to objects on the heap. This note builds a practical mental model for how references work, how they…

Coding
Leetcode

two sum decorators

A decorator is just a callable that takes a function and returns a new one, often a wrapper, letting us extend behavior while keeping functions clean and following the…

Coding
Leetcode

two sum type annotation

Several examples are presented to clarify the definition and application of type annotations in Python.

Coding
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