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x=[0,52,67,82,97];
y=[0,29.0,71.4,85.0,58.7];
¹«Ê½Îªy=wmax*(1+((te-x)/(te-tm)))*(x/te)^(te/(te-tm))
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General model:
     f(x) = wmax*(1+((te-x)/(te-tm)))*(x/te)^(te/(te-tm))
Coefficients (with 95% confidence bounds):
       te =        83.6  (78.8, 88.41)
       tm =       62.46  (49.97, 74.96)
       wmax =       88.21  (64.88, 111.5)

Goodness of fit:
  SSE: 63.84
  R-square: 0.9864
  Adjusted R-square: 0.9728
  RMSE: 5.65

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