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    Home Unlabelled This guy's art is super cool and I immediately thought it would make an interesting algorithm! Does anyone think they're up to designing one? Computer Science

    This guy's art is super cool and I immediately thought it would make an interesting algorithm! Does anyone think they're up to designing one? Computer Science

    December 20, 2020

    This guy's art is super cool and I immediately thought it would make an interesting algorithm! Does anyone think they're up to designing one? Computer Science

    This guy's art is super cool and I immediately thought it would make an interesting algorithm! Does anyone think they're up to designing one?

    Posted: 19 Dec 2020 11:21 PM PST

    What is the relation between distributed algorithms and concurrency models?

    Posted: 19 Dec 2020 10:55 AM PST

    What is the relation between distributed algorithms (e.g. consensus algorithms, as studied by Lamport and Lynch) and concurrency models (e.g. process calculi (e.g. CSP, pi calculus), actor model)?

    Are the purposes of distributed algorithms exactly to solve problems in implementing concurrency models?

    If yes, based on what do distributed algorithms implement concurrency models? (Based on the APIs provided by OSes, such as IPC and socket system calls and APIs provided by Linux?)

    Thanks.

    submitted by /u/timlee126
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    Essential Estimation Algorithms in Machine Learning

    Posted: 20 Dec 2020 01:19 AM PST

    An article on essential estimation algorithms in machine learning and signal processing.

    It includes a discussion on Bayesian vs Frequentists Estimators. ML, MAP, MMSE, LS, and Bayes estimates.

    I found these concepts to be extremely useful in machine learning, signal processing, and statistics.

    https://towardsdatascience.com/essential-parameter-estimation-techniques-in-machine-learning-and-signal-processing-d671c6607aa0?sk=bed53eda6f8c154f62fee91e0e78ff2d

    submitted by /u/chess9145
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    Why is switchinga program to ARM from x86 hard?

    Posted: 19 Dec 2020 12:04 PM PST

    Webifying Computational Research Survey

    Posted: 19 Dec 2020 03:48 PM PST

    Hi all,
    I am thinking about building a platform that helps researchers easily get the code of their published papers on an interactive platform for public use( in the case if they want to). I was wondering if you can fill out the following survey to help me understand whether or not such a platform is necessary. You can access the survey here: https://forms.gle/XUSGw7jfnvF4p3Gx8

    submitted by /u/nhatphan108
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    Getting stuck at the door of Divide and Conquer

    Posted: 19 Dec 2020 01:11 PM PST

    So I've been trying my luck at doing problems in websites like codewars, codeforces and advent of code 2020, and while I can get some of the low level problems right, most of my solutions that I submit to codeforces exceed the allowed time for the tests.

    There's this wall I can't seem to get over when I have to think of elegant solutions, specially struggling with the Divide and Conquer technique. There's this particular problem I want to ask a hint with (pls don't yell at me I'm not asking for the complete solution). Believe me I tried googling but my google fu seems to be murky these days.

    The problem setup is as follows:

    My input is a list of strings which we'll call "Text" and also I have a 3 word phrase (eg: "merry christmas everyone") i want to look for in this Text. (it can be non contiguous throught the text BUT it the index of merry has to be less than the index of christmas and the same thing with everyone)

    The task is to count all unique ocurrences of the phrase within the text (non contiguous).

    So I've tried my hand with it trying to define subproblems as prefixes and suffixes, starting from the last element on Text and discarding it if its not the last word of my phrase, then if I find "everyone", I create a new sub array where I'll try to see if i find the next word "christmas" and if I do I push_front on the sub arrays that I created. And I finish when i get to the beggining of the Text and count how many unique sub arrays of the phrase.

    This solution terminates and works in my IDE but codeforces times me out because i think the complexity is O(n^2).

    Am I applying Divide and Conquer wrong? How can i optimize this a bit? I don't know how to google stuff about this problem so I come to you in search of a little guidance.. I feel like all my solutions are super inefficient and maybe I'm not meant to be a problem solver after all

    submitted by /u/theonewholurks
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    Any chance you know a good terminal text editor that automatically recognizes syntax?

    Posted: 19 Dec 2020 11:06 AM PST

    Longtime Vim user here.

    I just realized that I use ssh way too much, therefore I spend a lot of time reading fully white, non-syntax highlighted *.conf files.

    Figured it might be a good idea to save my eyes. You folks have any recommendations for proper cli text editors?

    And yes vim can do some extensions, but others simply don't highlight at all.

    I need something with the reliability of VS code; that type of automatic syntax recognition.

    submitted by /u/4n4n0n
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