SIAM Journal on Numerical Analysis, Vol. 49, No. 1/2 (2011), pp. 845-868 (24 pages) We bound the difference between the solution to the continuous Rudin—Osher—Fatemi (ROF) image smoothing model and ...
The complex-step method is a clever way of obtaining a numerical approximation to the first derivative of a function, avoiding the round-off error that plagues ...