For unclear reasons, I really wanted to write down one wacky (read: elegant) calculus exercise tonight — have you integrated the cotangent function twice?
(more…)Category: FWNotebook
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[FW AdvLab] Basic Numerical Modelling with Python
One of the latest lab manuals that I’ve developed for Auckland Physics. I find it potentially helpful for the greater audience of the internet.
This manual is intended for second-year physics majors, and assumes little prior mathematical knowledge beyond single variable calculus.
Keywords: IVP, ODE, Numerical Analysis, scipy
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FW’s NoteBook – Alternative Solution – The Maximisation of The Gravity Due to a Malleable Astroid
For the first time in … ever, I thank reader feedback for this waaaay quicker solution.
Christchurch, NZL
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FW’s Notebook, Spacetime Optics with a Schwarzschild Blackhole
Some scrap calculations that I think are valid.
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Waiting for the black hole image now!
19:02 NZDT,
Auckland
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Quick Scientific Symbols via Apple Text Replacement
Some of my text-friends ask me how I can quickly type out mathematical symbols when we are discussing homework problems. Well, for one, I enabled the Greek keyboard on my phone, and then there’s this: taking advantage of the automatic text-replacement system built right in macOS and iOS.
Full Chart -
How Did pi Get Here? (FWN’s Solution to 3Blue1Brown’s Puzzle)
Joining the discussion today.
Here’s the problem in its animated glory (From 3blue1brown on Youtube) -
FW’S NOTEBOOK #2 – Fagnano Problem
Lurking in my recent research readings, this is a problem at the intersection of middle school geometry and quantum chaos …
This week’s post was delayed such that certain subscribers taking final exams won’t be disturbed. Hope you all had fun.
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Yourong Frank Wang 