'Fitting a curve to estimate x and y coordinate of any point
I am trying to estimate the x given y == 0.9 for a curve I plotted with a set of points xs and ys. But as we could see in the snapshot, the fitted curve does not give an accurate estimate of x.
What I currently do is using scipy.interpolate.interp1d like below
f = interp1d(xs, ys, kind="cubic")
x = f(0.9)
I am wondering if there is better alternative to interp1d that gives my a better estimate?
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