Optimisation

• hessian — finite symmetric difference Hessiann
• maxlik — maximization function
• newton_GGN11 — find the 0 of a function by Grau-Sanchez, Grau and Noguera (2011) method
• newton_GGN11_sp — find the 0 of a function by Grau-Sanchez, Grau and Noguera (2011) method
• newton_U15 — find the 0 of a function by Ullah (2015) method
• newton_U15_sp — find the 0 of a function by Ullah (2015) method
• newton_WKG11 — find the 0 of a function by Wang, Kou and Gu (2011) method
• newton_WKG11_sp — find the 0 of a function by Wang, Kou and Gu (2011) method
• newton_XY16 — find the 0 of a function by Xiao and Yin (2016) method
• newton_XY16_sp — find the 0 of a function by Xiao and Yin (2016) method
• numz0 — numerical derivative
• optimg — Grocer optimization function