how to find equation from the graph

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Anas A.Salam
Anas A.Salam am 14 Mai 2013
hello i have a data graph as show in this image
could i find a equation from this graph ??
thank you
  1 Kommentar
Walter Roberson
Walter Roberson am 14 Mai 2013
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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