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Mathematical Proof That the Lightning Network Cannot Be a Decentralized Bitcoin Scaling Solution
Claims to be a mathematical proof that the core developers proposal for extending Bitcoin won't work. Actually raises a great number of important points but is not a mathematical proof as they claim.
bitcoin  math  via:reddit 
yesterday by mcherm
Voltage, Temperature, and Harmonic Functions | Math ∩ Programming
This is a guest post by my friend and colleague Samantha Davies. Samantha is a math Ph.D student at the University of Washington, and a newly minted math blogger. Go check out her blog, With High Probability. If I said "let's talk about temperature and voltage", you might be interested, but few would react the same if instead I…
math  complex-analysis 
yesterday by karlicoss
"Things are meant to be for a reason" | MetaFilter
Yup. Powerball machines do not dole out a predefined winning numbers for one random ticket. They generate random numbers for each ticket.

More, with most computers, random numbers are not actually random. They are generated from a number of factors, called seeds, including time - to the second, not the minute. If she hadn't let the little old lady go ahead, she still would not have received the winning number unless the machine had printed the ticket at the exact same instant, which is laughably unlikely.

So, her generosity allowed something magical for someone else, and it did not rob her in the least. Win/Win.
numbers  lottery  computation  code  math 
yesterday by jomc
Over 150 of the Best Machine Learning, NLP, Math/Stats and Python Tutorials I’ve Found (2017)
To help others that are going through a similar discovery process, I’ve put together a list of the best tutorial content that I’ve found so far. It’s by no means an exhaustive list of every ML-related tutorial on the web — that would be overwhelming and duplicative. Plus, there is a bunch of mediocre content out there. My goal was to link to the best tutorials I found on the important subtopics within machine learning and NLP.
MachineLearning  NeuralNet  Deep_Learning  AI  CompSci  Math  Stats  Python 
2 days ago by mfernando

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