Can you recommend math challenge sites? – 5 Posts

• 10/16/2024 13:00

  nachtbarjunge 00

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  Hi folks.
  
  I never was bad in math and got a academic grade in applied computer science, but I think I have some knowlegde gaps, too. Additionally I rarely have to use higher math methods (e.g. at work). Most of the time i++, is enough.
  
  Now I would like to refresh my math skills and maybe close those knowlegde gaps.
  
  I think it would be fun, to solve math questions on a challenge site like this. It would be nice if there is a site with a broader range of math challenges. For my sake it could start with really easy challenges (as I am not Carl Friedrich Gauss), but should have hard challenges, too.
  
  Can you recommend any sites with math questions or math challenge site.
  
  Thanks in advance.
  
  P.S. I would most of the challenges solveable by pen and paper, There are more than enogh programming challenges around, I think.

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• 10/16/2024 13:00

  Hessiann 00

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  Hi natch,
  I would really encourage you to try the ones in tbs, in science topic. They are hard....some are really hard, but see this: I was never bad at math, like you, in fact Im quite good, but im quite good to assist to classes, take notes, study, and solve problems in a exam, but I never did fully understand what I was doing....like a derivative, or integration, I could solve some freaking hard integration problems, needing to use 2 or 3 sheets of paper, but I didnt understand what the f*** they were for.
  Even with that knowledge gap, I solved challs like Vibrations and polyhedra (with polyhedra I received some guidance, but nothing spoiler). How did I solve them? Days and days googling....you start googling to find the solution to the problem. After a time, you will note you cant find it, so you start looking for some basis on the subject, start reading, download a book with excersices....untill you have 20 sheets of paper written with calculus and you suddenly solve it
  
  Finally, here you can find some algebra problems ( http://www.cstutoringcenter.com ) or you can go to WECHALL and check all those nice sites linked to it, and I bet with all of them you can solve a lot of math problems
  
  Keep us updated with your skills improvement
  
  hess

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• 10/16/2024 13:00

  fourmi 00

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  Have a look at http://projecteuler.net/

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• 10/16/2024 13:00

  MrL 00

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  Quote from nachtbarjunge:

  
  Additionally I rarely have to use higher math methods (e.g. at work). Most of the time i++, is enough.

  
  
  Yeah, well, learning tons of math before working as a programmer is about to train logical and practical thinking, and solving problems.
  The actual programming work does not require math, so the knowledge fades away pretty fast.
  
  Try cstutoringcenter.com - 225 math challanges from 9 different divisions.

  Edited by MrL 10/17/2012 19:10 ago

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• 10/16/2024 13:00

  Hessiann 00

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  Anyway, I know what he means....
  This saturday I was working on my thesis, and I had this problem, where I had to find a function to represent the relation between an entry flow of garbage and the decision of constructing a new landfill....To construct a new landfill, it takes 360 days, after that time, we have a new working landfill to deposit the garbage of the city. So, the problem was that I needed to know exactly when to start constructing the new landfill, according to the entry flow of garbage, in such a way that I start the construction at time \"t\" and when I finish the new landfill, the old one is completely full of garbage. That way, I dont waste space in the old landfill and I dont finish the new one too late (in that case I will have tons of garbage going to nowhere).
  I cannot believe im about to be an engineer and I cant manage to find such a function/equation.
  I was thinking in using the Order replacement formula from Operations Research...
  
  In my opinion, at university they should teach us how to use maths to solve problems, not just math theory

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