Solve for XY plot

[altenbach]

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@altenbach wrote:

If you use spline interpolation, make sure to use low-level functions and calculate the interpolant only once. In any case, you should skip linearly interpolated plot style and calculate the interpolated data as separate plot.

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Here's how that could look like:

[alexderjuengere]

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@altenbach wrote:

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@altenbach wrote:

If you use spline interpolation, make sure to use low-level functions and calculate the interpolant only once. In any case, you should skip linearly interpolated plot style and calculate the interpolated data as separate plot.

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[...]

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nice!