Which Root?

I thought it might be interesting to see the previous image coloured according to the root to which the iteration eventually converges. Here for simplicity, I concentrate on a single root whose location is circled. All points which converge to this root are colored red with the intensity of the color representing the same information as in previous diagrams. Points which converge to all other roots are colored blue. I also have a version of this image where the root is not identified which I find more aesthetically appealing.

newtonroot.jpg

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