Community articles — Lecture Notes

A brief description of counting sort algorithm

this is an article about the examples of checked and unchecked exception.

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Discret Hartley Transform is a unitary transform although its proof is hard to find in the Web. This short note explains that the Discrete Hartley Transform is an involution, which implies that this transform is unitary indeed.

Some notes on combinatorics

Cramer's rule is usually explained by cofactor expansion of determinant. This note explains two alternative and simple proofs.

Notes on quadratic functions for Mathematics Standard Level (Hey Mr.Zamar)

Resenha para a disciplina de Filosofia da Tecnologia sobre o filme "O Congresso Futurista"

trabajo universitario con explicación breve del módulo de young