Jonathan Carroll's micro blog

Interpolation animation in Julia

I love small projects for helping me learn, especially programming. I’m still learning Julia, and have found myself wanting more “little silly things” I can digest and learn from. A …

R challenge - contour in a matrix

As part of what will hopefully become a larger post, I’m interested in finding an R way to achieve the following: given an n x n matrix of zeroes with a single non-zero element of some value v, …

ByRow optimizations in Julia

I’m still fairly new to Julia, even though I’ve been trying to learn it for a few years. It’s extremely powerful (fast, expressive, … whatever metric you want to use) but with …

First post on jcarroll.xyz

I like blogging, but in the spirit of lowering the resistance to getting posts out, I’ve started a micro blog jcarroll.xyz where I’ll capture shorter, less polished pieces and random …