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177 results for tags mathematics x
  • Blog about programming and mathematics
    The book reviews on https://catonmat.net/top-100-books-part-eight are short, but cover many interesting books.
    Mon Jun 7 19:14:39 2021 - permalink -
    - https://catonmat.net/
    blog book mathematics programming
  • C. R. Bond's site
    Found via the Wikipedia page about Optimum "L" filters
    https://en.wikipedia.org/wiki/Optimum_%22L%22_filter
    Mon Mar 22 19:19:22 2021 - permalink -
    - http://www.crbond.com
    electronics filter mathematics physics TODO
  • Blog with only Org Mode
    Nice blog (in appearance, contents and implementation). See https://archive.casouri.cat/note/2018/blog-in-org-mode-revisited/index.html for an update.
    An interesting idea for entering mathematical symbols is presented on https://archive.casouri.cat/note/2020/insert-math-symbol-in-emacs/index.html
    Wed Mar 3 22:59:05 2021 - permalink -
    - https://archive.casouri.cat/note/2018/blog-with-only-org-mode/index.html
    blog emacs mathematics org-mode
  • Numerical Recipes Books On-Line
    Not only older issues of the Numerical Recipes books, but also classics such as
    Handbook Abramowitz and Stegun, Handbook of Mathematical Functions (10th corrected printing, 1972)

    Bateman, Erdelyi et al. (Bateman Manuscript Project)
    Higher Transcendental Functions (vols. 1, 2, and 3)

    and
    Encyclopaedia Britannica the great 11th Edition (1911)

    Found via https://www.hpmuseum.org/forum/thread-16251-post-142741.html#pid142741

    See also https://numerical.recipes/otherstufftop.html for interesting links
    Mon Feb 8 12:15:48 2021 - permalink -
    - http://numerical.recipes/oldverswitcher.html
    algorithm book mathematics numerical programming TODO
  • The Welch-Berlekamp Algorithm for Correcting Errors in Data – Math ∩ Programming
    Neat description of Reed-Solomon error codes and two simple error-correction algorithms, implemented in Python.
    Found on https://planet.scheme.org/ via the article
    https://jeremykun.com/2020/09/11/searching-for-rh-counterexamples-setting-up-pytest/
    Wed Feb 3 15:09:09 2021 - permalink -
    - https://jeremykun.com/2015/09/07/welch-berlekamp/
    Berlekamp blog coding mathematics Reed Riemann Solomon Welch
  • Uncle Petros and Goldbach's Conjecture - Wikipedia
    Sounds like an interesting book. See Keith Devlin's review https://www.maa.org/press/maa-reviews/uncle-petros-and-goldbachs-conjecture
    Fri Jan 22 15:00:10 2021 - permalink -
    - https://en.wikipedia.org/wiki/Uncle_Petros_and_Goldbach%27s_Conjecture
    book mathematics reading
  • PCG, A Family of Better Random Number Generators | PCG, A Better Random Number Generator
    PCG is a family of simple fast space-efficient statistically good algorithms for random number generation. Unlike many general-purpose RNGs, they are also hard to predict.
    Wed Oct 14 17:50:59 2020 - permalink -
    - https://www.pcg-random.org/index.html
    algorithm mathematics random
  • Blog articles from José Antonio Ortega Ruiz
    Interesting blog written in org-mode, using https://github.com/bastibe/org-static-blog, written by Bastian Bechtold https://bastibe.de/
    Some highlights:
    https://jao.io/blog/eww-to-org.html convert HTML to orgdown
    the links below probably need to be edited, removing the date
    https://jao.io/blog/literate-programming.html literate programming
    https://jao.io/blog/signel.html, a barebones signal chat on top of signal-cli, written in literate style
    https://jao.io/blog/programmers-go-bananas.html category theory
    https://jao.io/blog/dancers-at-the-end-of-time.html sounds like an interesting book.
    https://jao.io/blog/geometrically-speaking.html geometric proofs, Kindergarten Quantum Mechanics
    https://jao.io/blog/observatory.html Mozilla Observatory to check a website's security
    https://jao.io/blog/simple-note-taking.html simple note taking
    Fri Jul 10 14:45:27 2020 - permalink -
    - https://jao.io/blog/
    blog book emacs lisp mathematics org-mode physics Scheme security Sussman TODO web
  • .@ Tony Finch's homepage
    Interesting software, such as
    unifdef selectively removes C preprocessor conditionals. My version of this program now shipped by all the BSDs (including Mac OS X) and is used by the Linux kernel build system.
    regpg safely stores server secrets using gpg, so you can keep them in version control.
    picoro - tiny coroutine implementations in pure C. I wrote an accompanying article, coroutines in 20 lines of standard C.
    Counting the days - tiny routines for converting Gregorian dates into linear counts, like Julian day numbers or Unix time_t. The date of the count - a small routine for converting linear day counts into Gregorian dates.
    https://dotat.at/@/2016-04-22-synergy-vs-xmodmap-fight.html Why you can't use xmodmap to change how Synergy handles modifier keys
    https://dotat.at/@/2023-05-26-whence-time.html Where does my computer get the time from?
    https://dotat.at/@/2023-08-04-unix69.html a neat keyboard map
    https://dotat.at/@/2024-01-29-four-point-egg.html construct an egg shape with straightedge and compass
    His log of links, https://dotat.at/:/ which I found on the TUHS mailing list is also worth reading. He explains a bit about this log on http://dotat.at/.
    Mon Jun 8 22:31:25 2020 - permalink -
    - http://dotat.at/
    blog C compiler cryptography Go hardware key-binding keyboard lisp mathematics software software time TUHS X11
  • There's something about Φ φ phi / Algo pasa con phi
    I have not watched it, perhaps it is something for MP?
    Thu Feb 27 16:43:55 2020 - permalink -
    - https://www.hpmuseum.org/forum/thread-14558.html
    for:mp mathematics
  • A random blog with math, science, and computer content among other things.
    Joe Marshall's non-lisp blog. Lisp/Scheme are the subject of his other blog,
    Abstract Heresies, Unorthodox opinions on computer science and programming. http://funcall.blogspot.com/
    Mon Jan 20 23:44:53 2020 - permalink -
    - https://jrms-random-blog.blogspot.com/
    blog lisp mathematics
  • https://galmon.eu/
    Galileo/GPS/BeiDou/Glonass open source monitor.
    Found via https://hackaday.com/2019/09/24/tracking-the-satellites-that-keep-us-on-track-monitoring-gps-galileo-beidou-and-glonass/
    The source code can be found on https://github.com/berthubert/galmon

    See also the articles https://berthub.eu/articles/posts/galmon-project/ and https://berthub.eu/articles/posts/improved-galileo-fix-time/
    Read https://berthub.eu/articles/posts/galileos-eccentric-satellites/, all formulas are approximations.
    Wed Sep 25 18:04:17 2019 - permalink -
    - https://galmon.eu/
    FOSS mathematics physics satellite-navigation TODO
  • Henry Baker's Archive of Research Papers
    Collection of interesting papers, including the famous MIT HAKMEM http://home.pipeline.com/~hbaker1/hakmem/hakmem.html
    Lisp, garbage collection, modular arithmetic and more.
    Mon Jun 24 11:23:51 2019 - permalink -
    - http://home.pipeline.com/~hbaker1/home.html
    6502 common-lisp lisp mathematics physics
  • Fermat's Library | Home
    Collection of interesting articles. Found via
    https://fermatslibrary.com/s/the-tunnel-of-samos#email-newsletter
    from a post on MoHP.
    Wed Jan 23 11:12:46 2019 - permalink -
    - https://fermatslibrary.com/journal_club
    mathematics reading science
  • Consulting in mathematics, statistics, and scientific computing
    Apart from the blog, there are technical notes https://www.johndcook.com/blog/writing/ and on-line calculators https://www.johndcook.com/blog/online-calculators/
    As an example, see Camp-Paulson normal approximation to the binomial distribution https://www.johndcook.com/blog/camp_paulson/
    The articles https://www.johndcook.com/blog/2024/04/01/more-laguerre-images/ and
    https://www.johndcook.com/blog/2024/03/22/laguerres-root-finding-method/ demonstrate the basins of attraction for Laguerre's root-finding method.
    https://www.johndcook.com/blog/2018/11/24/spheroid-distance/ should be useful for azel.
    https://www.johndcook.com/blog/2020/02/08/arenstorf-orbit/ shows a periodic solution to the restricted 3-body problem.
    https://www.johndcook.com/blog/2022/11/14/simultaneous-root-finding/ describes the Durand-Kerner polynomial root finding method.
    https://www.johndcook.com/blog/2022/11/01/kepler-newton/ discusses solving Kepler's equation

    TODO: https://www.johndcook.com/blog/2022/10/30/arctan-k-tan-t/ states "This plot looks similar to the plot of true anomaly for a highly elliptical orbit. I’m sure they’re related, but I haven’t worked out exactly how."

    https://www.johndcook.com/blog/2022/10/21/math-origins/ explains V.I. Arnolds comment
    "All mathematics is divided into three parts: cryptography (paid for by CIA, KGB and the like), hydrodynamics (supported by manufacturers of atomic submarines), and celestial mechanics (financed by military and other institutions dealing with missiles, such as NASA)."

    https://www.johndcook.com/blog/2018/09/24/riemann-hypothesis-the-fine-structure-constant-and-the-todd-function/ is about  Sir Michael Atiyah's incorrect proof of Riemann's hypothesis, the article https://rjlipton.com/2018/09/26/reading-into-atiyahs-proof/ is an interesting read. (I had bookmarked this entry on Wed Sep 26 15:51:47 2018 and put it here 2024-04-03.)

    The article https://www.johndcook.com/non_central_chi_square.pdf sounds interesting:
    John D. Cook Upper bounds on non-central chi-squared tails and truncated normal moments (2010). UT MD Anderson Cancer Center Department of Biostatistics Working Paper Series. Working Paper 62.
    Abstract. We show that moments of the truncated normal distribution provide upper bounds on the tails of the non-central chi-squared distribution, then develop upper bounds for the former.
    Mon Jul 9 11:55:42 2018 - permalink -
    - https://www.johndcook.com/blog/
    algorithm Laguerre mathematics numerical physics programming Riemann software TODO
  • BC NUMBER THEORY PROGRAMS
    Various number theoretic algrorithms written in the bc(1) programming language.
    See also the calculator program http://www.numbertheory.org/calc/krm_calc.htm from the same author.
    Fri Jul 6 09:46:48 2018 - permalink -
    - http://www.numbertheory.org/gnubc/bc_programs.html
    C mathematics programming Unix
  • 3Blue1Brown
    Recommended on MoHP.
    Tue Jun 5 13:56:45 2018 - permalink -
    - http://www.3blue1brown.com/
    mathematics TODO video
  • How to Read Mathematics
    A reading protocol is a set of strategies that a reader must use in order to benefit fully from reading the text. Poetry calls for a different set of strategies than fiction, and fiction a different set than non-fiction. It would be ridiculous to read fiction and ask oneself what is the author's source for the assertion that the hero is blond and tanned; it would be wrong to read non-fiction and not ask such a question.  This reading protocol extends to a viewing or listening protocol in art and music. Indeed, much of the introductory course material in literature, music and art is spent teaching these protocols.

    Mathematics has a reading protocol all its own, and just as we learn to read literature, we should learn to read mathematics.  Students need to learn how to read mathematics, in the same way they learn how to read a novel or a poem, listen to music, or view a painting.  Ed Rothstein’s book, Emblems of Mind, a fascinating book emphasizing the relationship between mathematics and music, touches implicitly on the reading protocols for mathematics.

    From the book Rediscovering Mathematics: You Do the Math by Shai Simonson. http://web.stonehill.edu/compsci/RediscoveringMath/RM.html
    Fri Apr 27 18:20:35 2018 - permalink -
    - http://web.stonehill.edu/compsci/History_Math/math-read.htm
    mathematics reading
  • Reflections on Relativity
    There a number of interesting articles such as
    - The Mystery of the Grazing Goat  http://www.mathpages.com/home/kmath074/kmath074.htm
    - On The Solution of the Cubic Equation  http://www.mathpages.com/home/kmath444/kmath444.htm
    - Infinite grid of resistors, ...
    Fri Mar 30 16:26:40 2018 - permalink -
    - http://www.mathpages.com/rr/rrtoc.htm
    Einstein mathematics physics
  • Home Page of Evan Miller
    For a good example, read http://www.evanmiller.org/dont-kill-math.html
    Wed Mar 28 00:24:51 2018 - permalink -
    - http://www.evanmiller.org/
    blog language mathematics programming TODO
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