This is the story of how my early undergrad years obsession with cellular automata met a problem in the 2000 Putnam Competition that I was doing for fun

Density Functional Theory

by aroman

In this article I briefly explore Density Functional Theory

Density Matrix Renormalization Group

by aroman

In this post I implement a Density Matrix Renormalization Group program.

Empirical Pseudopotential

by aroman

This blog entry shares a project that computes the band structure of a crystal having the diamond/zincblende structure, for various elements.

Factoring Big Numbers and RSA

by rtybase

A short article showing how not to RSA

Golden Ratio, Fibonacci Numbers and ... Another Sequence

by rtybase

Question about iterated function a(n)=⌊nϕ+0.5⌋

Integer Overflow in Hearthstone

by Grant Curell

Integer Overflow in Hearthstone

Lattice Boltzmann

by aroman

In this post I explore Lattice Boltzmann methods and build a related project

Linear Regression

by rtybase

Discussion of linear regression

Maths in IT #1: Basic Set Theory

by Sander Rossel

A simple introduction to set theory

Maths in IT #2: Venn diagrams

by Sander Rossel

Using Venn diagrams to visualize sets.

Maths in IT #3: Algebra of sets

by Sander Rossel

An introduction to algebra and algebra of sets.

More maths from IMO 2011

by rtybase

Solution to a Math problem.

My God, It’s Full Of Stars: And then there was CMake

by thoughts-on-coding

Welcome back at the 2nd part of the n-body-problem series. With the first post we had a short view on the equations of motion we need to calculate the position in space of a point mass. This time we need to conclude our equations and create a minimum project setup. I would like to use […]

Nuclear Magnetic Resonance and Fourier Transform

by aroman

In this post we introduce the Fourier Transform and hint about some of its usages.

Ray Tracing

by aroman

A ray tracing project

Relaxation Method

by aroman

This post is about the relaxation method combined with a multigrid method applied on the Laplace equation.

Round Up A Number to the Greatest 10s Place

by Tharaka MTR

How to round up a number to the greatest 10s place

Solving Poisson Equation

by aroman

This post also introduces VTK, The Visualization Toolkit

Tackling Andrica's conjecture

by rtybase

Andrica's conjecture is one of those mathematical statements which are extremely easy to formulate, but complicated to prove.

Tackling Andrica's Conjecture - Part 3

by rtybase

Andrica's conjecture is one of those mathematical statements which are extremely easy to formulate, but complicated to prove. This is my third attempt.

The Hartree-Fock program

by aroman

In this article I discuss and make a program about Hartree-Fock.

Time Evolving Block Decimation

by aroman

The subject of this post is Time-Evolving Block Decimation.