R/util-stepfunctions.R

In GNE: Computation of Generalized Nash Equilibria

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#   Copyright (c) 2012 Christophe Dutang                                                                                                  
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### utility functions for step functions in GNE
###
###         R functions
### 


#step functions


#no relaxation steps (pure classic fixed point algorithms)
purestep <- function(k) 1


#constant-decreasing steps
decrstep <- function(k, param) ifelse(k <= param, 1/2, 1/2/(k-param))

decrstep5 <- function(k) decrstep(k, 5)

decrstep10 <- function(k) decrstep(k, 10)

decrstep20 <- function(k) decrstep(k, 20)