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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
  • Animated Tower of Hanoi
  • A Graphical Dice Simulator
  • About Me
  • Contact Us
  • A Neural Network in Python, Part 2: activation functions, bias, SGD, etc.
  • Me, Myself, & I
  • Disturbed - The Sound of Silence
  • Editors & IDEs
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Alan

Software engineer for more than 20 years with major scientific research projects, e.g: Hubble Space Telescope, NASA, European Southern Observatory, Joint European Torus, European Synchrotron Radiation Facility.

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Tags

AI assignment Astrophysics bit operations Books boolean chr color complex conditionals data types def dict eval except float for fractal function graphics if import input libraries list loop math matplotlib modulo Music not numpy pillow print puzzles pyaudio pygame random range recursion RGB simulation sin tuple while