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Carl Chatfield

Personal blog · blog.chatfield.iomathprogramming

Carl Chatfield's personal blog at blog.chatfield.io covers math and programming. Since 2022, 3 different Hacker News readers have linked it 4 times, most often “Simple Method for Distance to Ellipse”. The last post was in 2020, but the archive is still widely read.

Visit the blog
4mentions?
3HN people?
2022–2026first – last linked?
Links on Hacker News per year · peak 3 in 2026

Too few sampled comments (1) to say how often HN recommends it.?

Why HN links it

The one linked post is a writeup on a simple method for computing distance to an ellipse. It was shared in a thread about the monthly number of StackOverflow questions over time.

Summarised by Claude from a sample of 1 HN comments that link here. Each comment is marked recommending, critical or neutral (citing without judging); how this works.

Thoughts and Ramblings

Most-linked posts?

  1. Simple Method for Distance to Ellipse
    3 people · 3 mentions · first linked 2026-01-04

What Hacker News says?

  1. It's been a long time, but here is the writeup https://blog.chatfield.io/simple-method-for-distance-to-elli...

    Comment linking /simple-method-for-distance-to-ellipse/

    on “Total monthly number of StackOverflow questions over time”
  2. Submitted Asymmetric Logistics: The Case for a Ukrainian Drone Lift as a story · 6 points

    HN discussion
  3. Submitted Simple Method for Distance to Ellipse as a story · 2 points

    HN discussion
  4. Submitted Simple Method for Distance to Ellipse (2017) as a story · 1 points

    HN discussion

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