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Avec des valeurs données comment extrapoler une courbe dans le sens décroissant.
There is an assortment of curve fitting tools. Attached is a simple example.
Do you know what the value of Fi should be at T=0?
Do you know the theoretical function that should describe the data?
Where does the data stem from and why do you need that extrapolation?
The Fi data is equally spaced, so it may make more sense to plot T over Fi.
Any reason you have used a logarithmic scale on Fi?
WE
merci; ça m'a beaucoup aidé.