Frolian's blog standing on the shoulders of PyGiants
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Do I have a water leak? A bayesian answer

Tue, 30 Jul 2024

Can we determine if there is a water leak in my house, based on daily water consumption analysis? We’ll try to answer this question using a bayesian model implemented using pymc.

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Probability Statistics Dataviz Housing Problems

Using the normal modes of the Helmholtz equation to compress an image

Mon, 03 Jun 2024

In this short post, we’re making an animation of image compression based on the normal modes of an acoustic rectangle.

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Waves Physics Mathematics Animations

2D Triangle Maps using Shape Functions

Tue, 19 Mar 2024

Using shape functions on the triangle, we are showing an elegant way to map from a reference triangle to a target triangle.

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Graphics Numerical Computing Math

A tiny reverse mode automatic differentiation example

Tue, 13 Feb 2024

A step further towards understanding automatic differentiation, this time with a tiny example of how to apply the reverse mode.

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Mathematics Derivatives

The forward mode of automatic differentiation

Tue, 06 Feb 2024

We're examining what happens when a wave hits a boundary normal to its propagation direction.

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Mathematics Derivatives

The $n-1$ sample variance estimation problem intuition

Tue, 30 Jan 2024

I’ve been recently brushing up on statistics and have rediscovered an interesting problem I never fully understood: why do we divide by $n-1$ in the unbiased variance estimator?

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Statistics Math Animations

Cannonball trajectories

Wed, 23 Aug 2023

Cannonball trajectories, analytical solution and numerical integration.

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Physics Numerical Physics

GMSH tutorial: how to draw a mesh over an image?

Fri, 16 Dec 2022

This post is a tutorial on how to use the meshing program GMSH to draw geometry on top of an image in order to produce a mesh with it.

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Geometry Physics Image Processing

Three springs and a mass go to twitter

Wed, 18 May 2022

A short animation of a mass connected to three massless springs.

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Physics Animations

Intrinsic and Extrinsic Rotations using Euler Angles

Thu, 05 May 2022

I’ve had a hard time wrapping my head around the way to code rotations using Euler angles. In this blog post, I’m trying to apply them to the task of rotating a bunny.

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Mathematics Animations
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