## 2D Coordinate Rotation

A 2D coordinate $(x1, y1)$ can be easily rotated by $\theta$ around another point $(xc, yc)$ to give the new rotated point $(x2, y2)$ with the equation:

A 2D coordinate $(x1, y1)$ can be easily rotated by $\theta$ around another point $(xc, yc)$ to give the new rotated point $(x2, y2)$ with the equation:

How To Check If A Point Is Inside A Rectangle?

A tutorial on convolution.

Butterworth, Chebyshev, Bessel, elliptic, transfer functions, polynomials, equations, graphs and more information on analogue filter tunings.

Overview

Info on inferential statistics.

The Mathematics subsection of this blog.

Overview

Overview

Overview

What is the sigmoid function, and how is it used in neural networks?

What is the arithmetic, geometric and harmonic mean of a set of numbers, and why are they important?