(This has y increasing downwards.)
The straight line comes from the (x,-x) pairs I remarked on, which make up ~2/3 of the dataset. The parabolic thing comes from values …,a,b,… where a = 1-(b/2)^2 to something like full precision.
(This has y increasing downwards.)
The straight line comes from the (x,-x) pairs I remarked on, which make up ~2/3 of the dataset. The parabolic thing comes from values …,a,b,… where a = 1-(b/2)^2 to something like full precision.