Notes concerning “Gradient descent”

• Modeling trees with slices containing metaballs 2014-06-29 (updated 2014-07-02) (6 minutes)
• Robust local search in vector spaces using adaptive step sizes, and thoughts on extending quasi-Newton methods 2019-08-17 (updated 2019-09-15) (15 minutes)
• Fast mathematical optimization with affine arithmetic 2019-09-15 (5 minutes)