Use Newton-Raphson iterations to estimate fishing morality by fitting to observed catches
Usage
get_F(
n_newton = 3,
tau,
M_sl,
handling_mortality,
catch_f,
weight_sl,
numbers_sl,
selectivity_sfl,
legal_sfl,
retained_sfl
)
Arguments
- n_newton
the number of Newton-Rhapson iterations
- tau
time step
- M_sl
natural mortality
- handling_mortality
handling mortality
- catch_f
total catch
- weight_sl
weight
- numbers_sl
numbers
- selectivity_sfl
selectivity
- legal_sfl
legal
- retained_sfl
retained
Value
a vector containing Fs from input catch
