Jonathan Carroll's micro blog

Finished reading: Life Unfolding: How the Human Body Creates Itself

Life Unfolding: How the Human Body Creates Itself by Jamie A. Davies How a single cell develops into a full human, and a lot of the molecular biology along the way. I thoroughly enjoyed this read - every chapter had highly interesting points about the particular pathways involved and how the cells …

Finished reading: Life from an RNA World: The Ancestor Within

(backlog from March 2022) Life from an RNA World: The Ancestor Within by Michael Yarus This was a nice tour of how the complex mechanisms of DNA replication came to be, and how the process works to produce proteins and phenotypes. This was the first time I really felt I understood the difference …

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 lot of the projects I see in Julia are big mathematical models, and I’m just not ready to dive …

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, fill the surrounding entries such that each other element is at most one less than those surrounding …

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 that comes some complexity. I saw this post in my feed and it seemed like a great bite-sized chunk …

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 thoughts / snippets. This is my first post, testing all the functionality. DNS might still take a little …