how to find equation from the graph

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Anas A.Salam
Anas A.Salam 2013-5-14
hello i have a data graph as show in this image
could i find a equation from this graph ??
thank you
  1 个评论
Walter Roberson
Walter Roberson 2013-5-14
Is it defined by only the 26 or so points that are obvious vertices? Does the equation need to reproduce the step-like nature, or can it just go through the obvious vertices?

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