math
Here’s all the math you can do in your head while you run 26.2 miles (unfortunately no math makes that number smaller, or easier to do math while running)
https://theconversation.com/how-math-and-eating-while-running-can-help-you-complete-your-best-marathon-179629
#BostonMarathon #Math #Mathstodon
Mathematics Teaching 296 now available online https://atm.org.uk/Mathematics-Teaching-Journal-Archive/177731
Design and cover photographs by me
Four free articles for non-members:
Everyone can think mathematically by Tom Francome
Tom Francome explores ways of developing the mathematical thinking of all students, including low attainers.
https://atm.org.uk/write/MediaUploads/Journals/MT296/02.pdf
Book review Learning with AI by Ian Benson
Ian Benson reviews 'Learning with AI' by Joan Monahan Watson published by Johns Hopkins University Press (296 pages, $24.95)
https://atm.org.uk/write/MediaUploads/Journals/MT296/14.pdf
Book review Breaking images by Pete Wright
Pete Wright reviews ‘Breaking images: Iconoclastic analyses of mathematics and its education’, edited by Brian Greer, David Kollosche, and Ole Skovsmose.
https://atm.org.uk/write/MediaUploads/Journals/MT296/15.pdf
Ole Skovsmose—the man who put the critique in critical mathematics education by Peter Gates
Peter Gates has collated this obituary for Ole Skovmose.
https://atm.org.uk/write/MediaUploads/Journals/MT296/16.pdf
#MathematicsTeaching #iTeachMath #MathEd #MathsEd #Math #Mathematics #education #design #GraphicDesign #atm #MT #MT296 #photography
I never really got the jargon for “divisor,” “numerator,” etc. into my head… Basic stuff, I know. 
Subtraction: minuend - subtrahend = difference
Addition: addend + addend = sum
Division: dividend / divisor = quotient
Division: numerator / denominator = ratio
Multiplication: multiplier × mutliplicand = product
And now we both know! Never again will we get confused reading elementary math texts. 
#lang_en #math #maths
Interesting article about the bizarre life of mathematician Alexander Grothendeik
Happy birthday to #mathematician & geodesist Gladys West (née Brown in 1930)! Shown with satellite tracks & 3 satellites important to her career: Seasat, GEOS-3 & a GPS satellite. Her work, using math to precisely model the shape of Earth, laid the groundwork for GPS! Born to sharecropper parents in Virginia, she graduated with a Math BSc in ‘52 then MSc at VSU in ‘55. 🧵1/n
#linocut #printmaking #womenInSTEM #BlackInSTEM #histsci #Spacetober #EarthScience #Math
Although the Nonprofit Industrial Complex has some sophisticated gatekeepers barring access, I've renewed my efforts to find San Francisco Bay Area cooperators interested in my proposed nonprofit for unique S.T.E.A.M.-focused ArtScience demonstration projects that serve the common good.
While general participants are welcome, I need the commitment of board-level founders.
#SFBA, #EastBay, #NonProfit, #Research, #Design, #Development, #CitizenScience, #Science, #Technology, #Engineering, #Arts, #Math, #Cooperative, #Mutualism, #Prefigurative
Year 2025. The only “square year” that most of us will see: 45^2 = 2025. The previous one was 1936 (44^2) and the next one will be 2116 (46^2).
Also
(1+2+3+4+5+6+7+8+9)^2 = 2025
and
1^3+2^3+3^3+4^3+5^3+6^3+7^3+8^3+9^3 = 2025
A big shout-out to @gbhnews for another incredible podcast series! I'm midway through "Scratch & Win", which documents the meteoric rise of the Massachusetts State Lottery, and it's pure nerd catnip: organized crime, gambling, power, machine politics, combinatorics, computer science history! I can't believe the interviews they managed to get (and that the closing song is sung by the former state treasurer). All props to the production and editing team. Ian, Isabel, Lacy, and everyone involved should be really proud. Waiting for the inevitable HBO miniseries!
https://www.wgbh.org/podcasts/scratch-win
Quote from episode 1 transcript:
The Massachusetts Lottery had already rejected nearly twenty prototypes by the time they settled on a final design -- the one with the paper flaps. Only to have John Koza, this recently graduated wiz kid with a dimpled chin and a combover, show up and tell them it was flawed. So on the spot they made a deal. Koza could take home 50 tickets and do his best to prove they could be hacked.
#MApoli #Massachusetts #History #Lottery #Gambling #math #podcast #PublicRadio #GBH #PRX
Euler’s number is often depicted as e or γ, and the Euler-Mascheroni constant is often C or γ.
Unicode has a character EULER CONSTANT ℇ.
It looks… nothing like C, e, or γ. 
It’s historical baggage from our dear friends at Xerox, and… apparently noone knows which Euler’s constant they wanted ℇ to be?! 
https://unicode.org/mail-arch/unicode-ml/y2002-m04/0073.html
The Fourier Transform is a mathematical operation that transforms a function of time (or space) into a function of frequency. It decomposes a complex signal into its constituent sinusoidal components, each with a specific frequency, amplitude, and phase. This is particularly useful in many fields, such as signal processing, physics, and engineering, because it allows for analysing the frequency characteristics of signals. The Fourier Transform provides a bridge between the time and frequency domains, enabling the analysis and manipulation of signals in more intuitive and computationally efficient ways. The result of applying a Fourier Transform is often represented as a spectrum, showing how much of each frequency is present in the original signal.
\[\Large\boxed{\boxed{\widehat{f}(\xi) = \int_{-\infty}^{\infty} f(x)\ e^{-i 2\pi \xi x}\,\mathrm dx, \quad \forall\xi \in \mathbb{R}.}}\]
Inverse Fourier Transform:
\[\Large\boxed{\boxed{ f(x) = \int_{-\infty}^{\infty} \widehat f(\xi)\ e^{i 2 \pi \xi x}\,\mathrm d\xi,\quad \forall x \in \mathbb R.}}\]
The equation allows us to listen to mp3s today. Digital Music Couldn’t Exist Without the Fourier Transform: http://bit.ly/22kbNfi
#Fourier #FourierTransform #Transform #Time #Frequency #Space #TimeDomain #FrequencyDomain #Wavenumber #WavenumberDomain #Function #Math #Maths #JosephFourier #Signal #Signals #FT #IFT #DFT #FFT #Physics #SignalProcessing #Engineering #Analysis #Computing #Computation #Operation #ComplexSignal #Sinusoidal #Amplitude #Phase #Spectra #Spectrum #Pustam #Raut #PustamRaut #EGR #Mathstodon #Mastodon #GeoFlow #SpectralMethod
Happy birthday to #mathematician Maryam Mirzakhani (1977-2017)! The Fields Medal, one of the most prestigious #math awards, is awarded to mathematicians < 40. In 2014, she became 1st woman to win. Her research included Teichmüller theory, hyperbolic geometry, ergodic theory, & symplectic geometry, and Fields committee cited her work in “the dynamics and geometry of Riemann surfaces and their moduli spaces”.
🧵1/n
#sciart #mathart #linocut #printmaking #womeninSTEM #histsci #mastoArt
This is the kind of math we like around here 😜
@bookstodon @fantasybookstodon @bookbubble @humour @reading
#Math
#Book #Books #BookMemes #Memes #Humor #Humour
#Novel #Novels #Bookshelf
#Mastobooks #BooksofMastodon #Bookstodon #Bookworm #Bookwyrm #Bookstodon #BookLove #BoostingIsSharing
Recently we have a few links going round once more about how and if physics explains time.
So why not drop in some self promotion.😎
I am in the "time does not exist in itself" camp. Should be easy to read for everyone with some #math background.
《大學入門微積分》筆記
Introduction to University Calculus Notes吾習單維彰教授《大學入門微積分》之課，謹將筆記照片上傳於網路。感謝單教授與國立中央大學之辛勤教誨與付出！
I have studied Professor Shann Wei-chang’s course Introduction to University Calculus and hereby upload photos of my notes to the internet. I sincerely thank Professor Shann and National Central University for their dedicated teaching and efforts!
如欲下載原圖，請訪問吾之網誌：《大學入門微積分》筆記
If you want to download the original image, please visit my weblog: Introduction to University Calculus Notes
原影片課程：YouTube原版 bilibili搬運
#筆記 #數學 #基礎 #微積分 #入門 #單維彰 #大學 #大學入門微積分 #中央大學 #笔记 #数学 #基础 #微积分 #入门级r #单维彰 #大学 #大学入门微积分 #中央大学 #note #math #mathematics #basic #calculus #introduction #Shann_Wei-chang #university #college #NCU
