CNS calculation headaches

[Robert Helling]

Willem,

> On 10. Aug 2019, at 16:10, Willem Ferguson <willemferguson at zoology.up.ac.za> wrote:
> 
> An interesting alternative, Robert. I am not happy with the deviation at 1.5 and 1.6. One would have to check what the effect of these two points are on the power curve. What is the effect on the overall fit of the power curve if one omits those two points? What of a 3rd order polynomial that could in principle accommodate the inflection at 1.4? I am not averse to a mathematical solution because the linear interpolation also causes some inaccuracy.
> 
> 

here is the same on a log scale:



I would not be happy to fit this with a line for all points including the last two. Rather, I would use a new line for the last three points (and extrapolate that) for values above pO2=1.5bar.


Robert
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