On Mon, Sep 22, 2014 at 11:51:38AM +0100, Jacob Sebastian Mealy wrote:
> I am just wondering how Gwyddion defines and caluclates the average
> wavelength of a line profile.

It's

    λ_a = 2 π R_a/Δ_a

which is according to ISO IIRC (Δ_a is like R_a but for local slopes
instead of values).

Regards,

Yeti


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