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Nonlinear least squares curve fitting in Julia

Posted on: 10 May 2021 | By: Rowan Easter-Robinson – Leave a Comment

One commenter on my arduino curve-fitting post asked if it was possible to fit to nonlinear functions as well, such as a decaying sine wave. I said I had no idea, so I did some research and found the Levenberg-Marquardt algorithm. The LM algorithm takes …

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Filed Under: Filed Under:Statistics, Uncategorised
Tagged With: Tagged With:Julia, Maths

Calculating Matrix Determinants in C

Posted on: 21 March 2021 | By: Rowan Easter-Robinson – Leave a Comment

I’ve just finished a research project focused around creating a general classifier for a large data-set. It deals with time series data, and as such must split this time series data into segments using change point detection. In one of the cost functions I was …

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Filed Under: Filed Under:Uncategorised
Tagged With: Tagged With:C, Maths, matrix

You don’t need the Cloud (yet)

Posted on: 1 February 2021 | By: Rowan Easter-Robinson – Leave a Comment

I’ve been working for a startup for the past few months, which has been a (mostly) delightful experience compared with corporate hell. We use Azure every day of the week to deliver best-in-class data gathering and insights in a fairly niche market. This cloud experience …

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Filed Under: Filed Under:Uncategorised

Bootstrap 4 radio buttons and Vue’s v-model

Posted on: 18 June 2020 | By: Rowan Easter-Robinson – Leave a Comment

If you’ve ever tried to make consistent, fairly passable-looking forms, your first knee-jerk reaction is probably to reach for Bootstrap. Now it offers a number of great out-of-the box options for forms, one of which I use regularly is split buttons as a radio. It …

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Bret Victor, future of programming, and LISP

Posted on: 2 May 2020 | By: Rowan Easter-Robinson – Leave a Comment

I’ve been doing a bit of reading recently, and starting with one of Bret Victor’s talks, some of his references and Paul Graham’s essays I’ve ended up in a rabbit hole I’m quite enjoying. Weird computation, mostly centred around the LISP family of programming languages. …

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Recent Posts

  • Nonlinear least squares curve fitting in Julia
  • Calculating Matrix Determinants in C
  • You don’t need the Cloud (yet)
  • Why every Mechanical Engineer should be upskilling themselves in weird ways
  • LightSource – Add lights to Fusion 360 to Render your beautiful part!

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