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Math Help - Need help with some function for my game

  1. #1
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    Smile Need help with some function for my game

    Hello, guys and gals, sorry for my english. I'm making a little game but I'm a little stuck in its economy, to continue I need the functions that give me this :





    Thanks in advance for any help
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  2. #2
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    Re: Need help with some function for my game

    first graph ... y = \frac{k}{x} where k is a constant should work

    second graph ... one possible curve; Logistic function - Wikipedia, the free encyclopedia
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  3. #3
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    Re: Need help with some function for my game

    Thanks for your help.

    Is there some site where I can play around with functions and their constants and see the resulting graph live ? (I know how to google but I suppose you already have some handy one in mind, heh)
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  4. #4
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    Re: Need help with some function for my game

    You can get nice graphing utility, for free, here:
    Graph | Plotting of mathematical functions
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  5. #5
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    Re: Need help with some function for my game

    Nice ! Thanks
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  6. #6
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    Re: Need help with some function for my game

    Sorry for the bump but I'm trying to find a function to give me the second one, but I just can't ...
    Draw Function Graphs - Plotter

    Something like the bottom picture in this page :
    Team:Imperial College/Growth Curve - 2008.igem.org
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