Hacker News2d ago

Why Mathematica does not simplify sinh(arccosh(x))

https://www.johndcook.com/blog/2026/03/10/sinh-arccosh/

#HackerNews #Mathematica #sinh #arccosh #simplification #MathematicaTips #MathExplained

Why Mathematica does not simplify Sinh[ArcCosh[x]]

When Mathematica seems to not to know how to simplify an expression, it may be doing the right thing, being more sophisticated than you expect.

John D. Cook | Applied Mathematics Consulting
EmberhartFeb 11
If buying more scratch cards barely changes your odds…
why does it feel like it should?
New YouTube video breaks down the math behind that illusion. https://youtu.be/l1Q1qrvJwjw
#YouTubeEducation #EmberhartJourney #PositiveParenting #KindnessRocks
#ProbabilityTrap #FinancialReality #MathExplained
May the Odds Never Be in Your Favor: Probabilities of Winning Christmas Scratch Cards

YouTube
Hacker NewsDec 18

What Is an Elliptic Curve?

https://www.johndcook.com/blog/2019/02/21/what-is-an-elliptic-curve/

#HackerNews #EllipticCurve #Mathematics #CryptoTheory #MathExplained #HackerNews

What is an elliptic curve? Informal and formal definition

The informal definition of an elliptic curve is simple. The formal definition is more involved.

John D. Cook | Applied Mathematics Consulting
Hacker NewsDec 18

What Is an Elliptic Curve?

https://www.johndcook.com/blog/2019/02/21/what-is-an-elliptic-curve/

#HackerNews #EllipticCurve #Mathematics #CryptoTheory #MathExplained #HackerNews

What is an elliptic curve? Informal and formal definition

The informal definition of an elliptic curve is simple. The formal definition is more involved.

John D. Cook | Applied Mathematics Consulting
Hacker NewsAug 17, 2025

Derivatives, Gradients, Jacobians and Hessians

https://blog.demofox.org/2025/08/16/derivatives-gradients-jacobians-and-hessians-oh-my/

#HackerNews #Derivatives #Gradients #Jacobians #Hessians #MathExplained

Derivatives, Gradients, Jacobians and Hessians – Oh My!

This article explains how these four things fit together and shows some examples of what they are used for. Derivatives Derivatives are the most fundamental concept in calculus. If you have a funct…

The blog at the bottom of the sea