# triangle

## Five places the Sierpiński triangle shows up

The Sierpiński triangle is a fractal that comes up in unexpected places. I’m not that interested in fractals, and yet…

## Square wave, triangle wave, and rate of convergence

There are only a few examples of Fourier series that are relatively easy to compute by hand, and so these…

## Maximum gap between binomial coefficients

I recently stumbled on a formula for the largest gap between consecutive items in a row of Pascal’s triangle. For…

## Odd numbers in Pascal’s triangle

Here’s an interesting theorem I ran across recently. The number of odd integers in the nth row of Pascal’s triangle…

## Fractal via bit twiddling

The Sierpinski triangle has come up several times on this blog. Here’s yet another way to produce a Sierpinski triangle,…

## Recursion With Sierpinski’s Triangle

Recursion With Sierpinski’s TriangleJake ShamsBlockedUnblockFollowFollowingMay 3Recursion is a programming technique that involves creating functions that recall themselves. Most problems that…

## Introduction to Spring (Dependency Injection)

Introduction to Spring (Dependency Injection)Kasun DissanayakeBlockedUnblockFollowFollowingMar 19In this tutorial series I am going to cover spring framework and teach how…