That seems plausible. I actually spent a little time digging into this, and I'm not sure if this method is actually due to Chebyshev! This link has the most ex

That seems plausible. I actually spent a little time digging into this, and I'm not sure if this method is actually due to Chebyshev! This link has the most extensive references I found: https://encyclopediaofmath.org/wiki/Chebyshev_iteration_method and from what I can tell it's actually due to Richardson.