Collaborative Calculation and Data Science

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See https://sagemanifolds.obspm.fr/intro_to_manifolds.html  and https://github.com/sagemanifolds/IntroToManifolds  

Try doing some basic maths questions in the Lean Theorem Prover. Functions, real numbers, equivalence relations and groups. Click on README.md and then on "Open in CoCalc with one click".

Mathematical heart shapes for Valentine's Day

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solve 3n+1 Problem. `h(x)=4*x+1` and `v(x)=(2*x-1)/3 or (4*x-1)/3` iterate to Collatz-Odd-Tree

PythonTeX example: have LaTex \maketitle show local date instead of UTC date.

📚  The CoCalc Library - books, templates and other resources

My random explorations into number theory and various statistics and distributions of arithmetic functions. These are my rambles and should not be taken as any more than that. I do hope to have lots of cool graphs and plots. I also will include failed ideas, since I think it's important to show those as well. Will be frequently updated.

ARQUIVOS DISCIPLINA FÍSICA EXPERIMENTAL IFC LUZERNA. 
Para baixar todos os arquivos de uma pasta, click em "EDIT" -> "open it directly", selecione os arquivos ou pastas e click em Download (observe que o arquivo a ser baixado é um arquivo compactado ). Altere o nome do arquivo conforme desejar, click novamente em Download e salve na pasta de sua preferência. 

Charles Meneveau and Colm-cille P. Caulfield, 'Introducing JFM Notebooks', Journal of Fluid Mechanics 952 (2022), E1 (https://doi.org/10.1017/jfm.2022.903). Figure 3 key words: stratified shear flow, density contours, oscillating flow

© The Authors, 2022. Published by Cambridge University Press.

To edit and run the notebooks: (1) click the 'Edit...' button below; (2) on the following screen, click 'Use CoCalc Anonymously', (3) then click 'Create New Project'.

Browse Jupyter Notebooks, Computational Whiteboards and much more on CoCalc