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#math

37 Beiträge25 Beteiligte0 Beiträge heute
Öffentlich
Mary Nelson

Catherine Rampell:
"The GOP has an Orwellian solution to pay for Trump’s tax cuts
Extending them will cost trillions of dollars? No problem."

Republicans have " devised a cheat. Rather than admitting how much their tax agenda would cost, they are simply asserting that they get their first $4 trillion — free!"

#GiftLink #USpol #USpolitics #Republicans #TaxCuts #Math

wapo.st/4ckf3y8

The Washington Post · The GOP has an Orwellian solution to pay for Trump’s tax cutsVon Catherine Rampell
Öffentlich
Hourly Hectoc Bot

Hello,
Here is a new hectoc challenge for you:

215836

The goal is to combine the 6 numbers to a total of 100. You can use the mathematical operations + - * / ^ and the parenthesis ( ). Numbers can be combined, but you have to use all 6 of them and are not allowed to change the order. See hectoc.seism0saurus.de for an example. Please use CW "solution".

Have fun! Your hourly hectoc bot
by @seism0saurus

hectoc.seism0saurus.deHectoc
#math#mentalcalculator#hectoc
Öffentlich
Hourly Hectoc Bot

Hello,
A new hectoc for you:

236129

The goal is to combine the 6 numbers to a total of 100. You can use the mathematical operations + - * / ^ and the parenthesis ( ). Numbers can be combined, but you have to use all 6 of them and are not allowed to change the order. See hectoc.seism0saurus.de for an example. Please use CW "solution".

Have fun! Your hourly hectoc bot
by @seism0saurus

hectoc.seism0saurus.deHectoc
#math#mentalcalculator#hectoc
Öffentlich
Gnome Kat

Does anyone know of a good #math #maths discord that is good for amature math people?

Most the math spaces I see are full of more hardcore math people and it can be intimidating and also I have found the spaces to not be super welcoming towards people who are on the more amature side.

Öffentlich
Fractal Kitty

I have posted the 238th Carnival of Mathematics!

fractalkitty.com/238th-carniva

If I missed something please let me know.

There is an extremely slow bit of javascript for untouchable numbers that hopefully won't make the post untouchable.

Thank you @aperiodical for organizing this.

This month we have posts from @mjd Peter Cameron, @two_star, @j2kun, Brian Clegg, @fortnow @KarenCampe, Amédée d'Aboville, Ed Vogel, @standupmaths

There was also an amazing amount of math and art being shared on blueSky with @Ayliean 's math art March prompts

what appears to be a grey circle made of circles, but is created from a K238 graph where there are 238 dots around a circle that connect to every other dot.
#carnivalOfMathematics#indieweb#blogCarnival
Öffentlich *
Pat

I've made a fraction-based calculator, for simplifying rational expressions (written in ANSI-C using vi)

I was aiming to merge a scientific calculator with "bc", because I often need to simplify various fractions and whatnot. Quite happy with the result!

Uses shunting yard algorithm to evaluate the expressions, and a naive descent parser (I think?) to tokenise

Aside: OpenBSD's "editline" is very easy to use

Please ask any questions :)

patpatpat.xyz/data/frac

Screenshot of a terminal running "frac". Each line contains an expression, followed by the result
#c#bsd#unix
Öffentlich
José A. Alonso

Category theory using Haskell (An introduction with Moggi and Yoneda). ~ Shuichi Yukita. books.google.com/books?id=4Xc2 #CategoryTheory #Math #Haskell #FunctionalProgramming

Google BooksCategory Theory Using HaskellThis unique book offers an introductory course on category theory, which became a working language in algebraic geometry and number theory in the 1950s and began to spread to logic and computer science soon after it was created. Offering excellent use of helpful examples in Haskell, the work covers (among other things) concepts of functors, natural transformations, monads, adjoints, universality, category equivalence, and many others. The main goal is to understand the Yoneda lemma, which can be used to reverse-engineer the implementation of a function. Later chapters offer more insights into computer science, including computation with output, nondeterministic computation, and continuation passing. Topics and features: Contains rigorous mathematical arguments to support the theory Provides numerous Haskell code-implementing examples Engages with plentiful diagram chasing, with special emphasis on the design patterns for constructing a large diagram out of basic small pieces Offers insights into category theory to quantum computing and the foundation of computing discipline Serves as a preparatory course for monoidal categories and higher categories The work will be useful to undergraduate students in computer science who have enough background in college mathematics such as linear algebra and basics in Haskell polymorphic functions. Further, it will appeal to graduate students and researchers in computing disciplines who want to newly acquire serious knowledge of category theory.
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