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Alan Richmond

Scientific systems programmer (ex NASA, ESA/ESO, Hubble), web developer, online retailer (retired)

  • About Me
    • Me, Myself, & I
    • Alan Richmond’s CV
    • Academic Publications
    • Testimonials
      • 1988 – 1990 Testimonial from STScI
      • 1985 – 1988 Testimonial from ST-ECF
      • 1991 – 1993 Testimonial from ESRF
      • 1981 – 1987 Testimonial from JET/Max Planck Institute for Plasma Physics
    • Contact Me
  • Richmond Sites
    • Pretty Math Pictures
    • Neil Richmond Photography
    • Mark Richmond (facebook)
  • Alan Turing: computable numbers and Turing machines, the Turing test, his Zeta machine and the Riemann Hypothesis, a history timeline
    • The Imitation Game: A Poor Imitation of Reality
    • Alan Turing Timeline
    • Dr. Turing’s Automatic Machine
    • Turing’s Zeta Machine & the Riemann Hypothesis
    • The Turing Test
    • Alan Turing on Computable Numbers and Computer Programs
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Recent Posts: Pretty Math Pictures

Multi-pendulum Harmonograph simulator using numpy and matplotlib

Multi-pendulum Harmonograph simulator using numpy and matplotlib

Spectral Harmonographs

Spectral Harmonographs

Harmonograph in Pygame

Harmonograph in Pygame

Stars and Stripes

Stars and Stripes

Rainbow Flag in Pygame

Rainbow Flag in Pygame

Top Posts & Pages

  • A Neural Network in Python, Part 1: sigmoid function, gradient descent & backpropagation
  • Create Your Own Ubuntu-respin Linux Distro
  • Solar System Scope
  • A Graphical Dice Simulator
  • Alan Turing on Computable Numbers and Computer Programs
  • Book Review: Coloring the Universe
  • Popular Sorting Algorithms
  • Make 'Computer Music' with a very small program!
  • A Basic Introduction to HTML
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Tag: matplotlib

A Neural Network in Python, Part 2: activation functions, bias, SGD, etc.

A Neural Network in Python, Part 2: activation functions, bias, SGD, etc.

This is Part 2 of A Neural Network

9 Feb - by Alan - 0 - In Advanced Artificial Intelligence
A Neural Network in Python, Part 1: sigmoid function, gradient descent & backpropagation

A Neural Network in Python, Part 1: sigmoid function, gradient descent & backpropagation

In this article, I’ll show you a toy example

31 Jan - by Alan - 4 - In Advanced Artificial Intelligence
Make ‘Computer Music’ with a very small program!

Make ‘Computer Music’ with a very small program!

This is a fun little program to generate ‘computer music’,

11 May - by Alan - 1 - In Audio Intermediate