Description Usage Arguments Value Author(s) References See Also Examples
Solves catch equation using Newton-Raphson iteration.
1 | solveCatchEq(catch, number2, M, accuracy=1e-04)
|
catch |
catch in number in t. |
number2 |
number at sea in t+1. |
M |
natural mortality rate. |
accuracy |
desired accuracy. |
List with components
Number |
number at sea. |
F |
fishing mortality rate. |
accuracy |
attained accuracy. |
Sandro Klippel
Lassen, H., Medley, P., 2001. Virtual population analysis - A pratical manual for stock assessment. Vol. 400 of FAO Fisheries Technical Paper. FAO, Rome.
Press, W., Teukolsky, S., Vetterling, W., Flannery, B., 1992. Numerical Recipes in FORTRAN 77: The Art of Scientific Computing, 2nd Edition. Cambridge University Press, Cambridge.
1 | solveCatchEq(25, 22.2, 0.2)
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