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    CompSci Weekend SuperThread (November 09, 2018) Computer Science

    November 09, 2018

    CompSci Weekend SuperThread (November 09, 2018) Computer Science

    CompSci Weekend SuperThread (November 09, 2018)

    Posted: 08 Nov 2018 05:05 PM PST

    /r/compsci strives to be the best online community for computer scientists. We moderate posts to keep things on topic.

    This Weekend SuperThread provides a discussion area for posts that might be off-topic normally. Anything Goes: post your questions, ideas, requests for help, musings, or whatever comes to mind as comments in this thread.

    Pointers

    • If you're looking to answer questions, sort by new comments.
    • If you're looking for answers, sort by top comment.
    • Upvote a question you've answered for visibility.
    • Downvoting is discouraged. Save it for discourteous content only.

    Caveats

    • It's not truly "Anything Goes". Please follow Reddiquette and use common sense.
    • Homework help questions are discouraged.
    submitted by /u/AutoModerator
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    TIL that Turing machines can be expressed as an ODE

    Posted: 08 Nov 2018 07:46 PM PST

    An overview of sorting algorithms and a pretty fast multithreaded Quicksort in C

    Posted: 08 Nov 2018 05:08 AM PST

    This is why coupling is your worst enemy

    Posted: 08 Nov 2018 08:33 PM PST

    Team using 180M processor hours on the Titan HPC to model jet engine turbulence, aiming to cut noise and pollution

    Posted: 08 Nov 2018 10:30 AM PST

    Searching for software for drawing graphs like this

    Posted: 08 Nov 2018 03:09 PM PST

    Hello I am searching for software where I can draw graphs like this

    They should mainly be black and white. Some of the boxes and points should also be hatched(Like in the second picture)

    Thank you(My text ends here/Not that a few users are confused because of similar style of the text in picture 1)

    ​

    ____________________________________________________________________________________________________________________________________________________________________________________

    Picture 1

    ​

    Picture 2

    submitted by /u/HilmBi
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    Please give me peace of mind for this problem , Theory of Computing

    Posted: 08 Nov 2018 12:59 PM PST

    On a HW assignment , my teacher seems to have given a solution that is false. A similar question appeared on the exam and I couldn't get myself to do it his way b/c I know im right. Please prove me wrong or support my answer.

     

    the question is:

    Given a language L and a DFA A that recognizes L . Is there a DFA that recognizes the complement of L? Does the same hold if A is an NFA?

     

    My answer is first of all, understand that L is regular because it has a DFA that accepts the language. I also know that if L is regular then L' has to be regular. Therefore there is a DFA for L'.

    Okay , if the DFA A was an NFA it would be the same case because for every NFA there is a DFA that is the language is regular. L' would also be regular given there is a NFA for L therefore L' would have a DFA.

    My teacher's answer was NO "if A was an NFA , then there may not be a DFA for L' "

    submitted by /u/horrofan
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    are there architectural differences between consumer mobile processors and their desktop counterparts?

    Posted: 08 Nov 2018 06:43 AM PST

    I'm specifically interested in the intel core product line,for example is a desktop core i5 just clocked higher with extra cores?

    submitted by /u/BongFuhrer69
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    Looking into computer science for University. What kind of maths do I need?

    Posted: 08 Nov 2018 10:07 AM PST

    So I've recently been looking into a computer science course for university, since going to a games development course doesn't seem like the best idea.

    The issue is, my math isn't too strong anymore. I was never amazing at it, but I did get a c at gcse level. Unfortunately, since I am studying games design in college, I haven't used math since school. I am considering taking the foundation year course, which should cover the maths, but I would still like to know what kinds I would need, perhaps to have a quick look at them beforehand.

    submitted by /u/pixxelbypixxel
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