Calculates steepness and virgin biomass given a and b for a Beverton and Holt SRR

# S4 method for FLPar,character
sv(x, model, spr0 = NA)

Arguments

x

FLPar with a and b

model

character with name of stock recruitment relationship, by default "bevholt"

spr0

spawner per recruit at F=0

...

any other arguments

Value

FLPar with values for steepness (s) and virgin biomass (v)

Examples

if (FALSE) {
#bug
params=FLPar(a=37.8,b=8.93)
sv(params,"bevholt",.4)
}