popbio (version 2.4.4)

lambda: Population growth rate

Description

Calculates the population growth rate of a projection matrix

Usage

lambda(A)

Arguments

A

A projection matrix

Value

The dominant eigenvalue

Details

see section 4.4 in Caswell (2001)

References

Caswell, H. 2001. Matrix population models: construction, analysis, and interpretation, Second edition. Sinauer, Sunderland, Massachusetts, USA.

See Also

eigen and pop.projection

Examples

# NOT RUN {
A<-matrix(c(0,0,2,.3,0,0,0,.6,0), nrow=3,byrow=TRUE)
lambda(A)
# third
Re(eigen(A)$values)

data(hudsonia)
sapply(hudsonia, lambda)



# }