%0 Journal Article %A Bahar Arslan %A Awad H Al-Mohy %T Generalized complex step approximation to estimate the first and second order Fréchet derivative of matrix functions %J Filomat %D 2022 %P 5603 %V 36 %N 16 %U http://geodesic.mathdoc.fr/articles/10.2298/FIL2216603A/ %R 10.2298/FIL2216603A %G en %F 10_2298_FIL2216603A