Lossy 1D Wave Equation Updated 2025-07-16
Wave interference Updated 2025-07-16
Can AGI be trained in simulations? Updated 2025-07-16
Fundamental question related to Ciro's 2D reinforcement learning games.
Bibliography:
- youtu.be/i0UyKsAEaNI?t=120 How to Build AGI? Ilya Sutskever interview by Lex Fridman (2020)
Daniel Sank Updated 2025-07-16
Started at Google Quantum AI in 2014.
Has his LaTeX notes at: github.com/DanielSank/theory. One day he will convert to OurBigBook.com. Interesting to see that he is able to continue his notes despite being at Google.
Excretion Updated 2025-07-16
Existence and uniqueness Updated 2025-07-16
Existence and uniqueness results are fundamental in mathematics because we often define objects by their properties, and then start calling them "the object", which is fantastically convenient.
But calling something "the object" only makes sense if there exists exactly one, and only one, object that satisfies the properties.
One particular context where these come up very explicitly is in solutions to differential equations, e.g. existence and uniqueness of solutions of partial differential equations.
Google Chrome Updated 2025-07-16
How To Get Tenure at a Major Research University by Sean Carroll (2011) Updated 2025-07-16
How to take your bicycle on the plane Updated 2025-07-16
Pulse width modulation Updated 2025-07-16
GPIO generally only supports discrete outputs.
But for some types of hardware, like LEDs and some motors, the system has some inertia, and if you switch on and off fast enough, you get a result similar to having an intermediate voltage.
So with pulse width modulation we can fake analog output from digital output in a good enough manner.
Raspberry Pi Pico W UART Updated 2025-07-16
You can connect form an Ubuntu 22.04 host as:When in but be aware of: Raspberry Pi Pico W freezes a few seconds after after screen disconnects from UART.
screen /dev/ttyACM0 115200screen, you can Ctrl + C to kill main.py, and then execution stops and you are left in a Python shell. From there:- Ctrl + D: reboots
- Ctrl + A K: kills the GNU screen window. Execution continues normally
Other options:
- ampy
runcommand, which solves How to run a MicroPython script from a file on the Raspberry Pi Pico W from the command line?
sigoden/node-express-realworld-example-app Updated 2025-07-16
Exponentiation functional equation Updated 2025-07-16
We define this as the functional equation:It is a bit like cauchy's functional equation but with multiplication instead of addition.
gothinkster/node-express-realworld-example-app Updated 2025-07-16
Half-precision floating-point format Updated 2025-07-16
Phase space Updated 2025-07-16
This idea comes up particularly in the phase space coordinate of Hamiltonian mechanics.
Tea-bagging Updated 2025-07-16
Webdev's Creed Updated 2025-07-16
Without me, my stack is useless. Without my stack, I am useless. I must fire my requests true. I must shoot straighter than my hackers who are trying to kill me. I must shoot him before he shoots me. I will ...My stack is human, even as I am human, because it is my life. Thus, I will learn it as a brother. I will learn its weaknesses, its strength, its parts, its accessories, its ORMs and its asset bundlers. I will keep my stack clean and ready, even as I am clean and ready. We will become part of each other. We will ...
Explanation: this is an allusion to the Rifleman's Creed. This particular version talks about the website stack chosen for a website, i.e. the libraries used.
Ciro Santilli has always felt that choosing a stack is an almost religious choice. It is perhaps part of why the prayer style of the original Rifleman's Creed resonates with the web stack choice.
It is very hard to know how things are going go, the ups and downs, before putting big hours into it.
And once you start, it is hard, though not impossible, to move away.
Clausius entropy Updated 2025-07-16
Computer algebra system Updated 2025-07-16
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