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Urgent How to find the point where Maximum Curvature occurs on graph?

  1. Apr 10, 2014 #1
    Urgent!!How to find the point where Maximum Curvature occurs on graph?

    1. The problem statement, all variables and given/known data
    The graph(2D) is plotted from experimental data, not from a given equation and within certain limit. I want to know the x&y coordinate where the maximum curvature occur via software means, not manually. FYI, for those with civil&geotechnical engineering background, the graph i am plotting is about consolidation topic of soil mechanics subject, which is the void ratio vs effective stress curve. I want to get the preconsolidation value from the graph plotted.

    p.s. the attached file is rough idea of what i mean.
     

    Attached Files:

  2. jcsd
  3. Apr 10, 2014 #2

    HallsofIvy

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    Staff Emeritus
    Science Advisor

    From the tone of this, I suspect that you are to determine the point of maximum curvature by looking at the graph and deciding where it appears to "curve" most!
     
  4. Apr 10, 2014 #3
    yes, do u know any software that can find the point?
     
  5. Apr 10, 2014 #4

    ShayanJ

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    Gold Member

  6. Apr 10, 2014 #5
    lol,no offense i aint that advanced to get the maximum curvature by hand calculation, lol, that's why i need a software, if not, imma get the point via naked point instead
     
  7. Apr 10, 2014 #6

    Ray Vickson

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    I think you mean "naked eye", not "naked point". Anyway, that is what you need to do. Also: please avoid 'text-speak' in this Forum; take the trouble to say 'I' instead of 'i' and 'you' instead of 'u', etc.
     
  8. Apr 10, 2014 #7

    Mark44

    Staff: Mentor

    Addressed in a warning to the OP.
     
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