Description Usage Arguments Details Value Note Author(s) Examples
Builds one projection matrix from a time series of number (or densities) of individuals per stage (size classes or life stages) using Wood's quadratic programming method. The matrix model also requires a constraint matrix C, vector b, and vector listing nonzero elements of desired projection matrix.
1 |
nout |
A time series of population vectors |
C |
constraint matrix |
b |
b vector |
nonzero |
indices of the non-zero elements of the transition matrix (counting by column) |
converted Matlab code from Example 6.3 in Caswell (2001)
A projection matrix.
This function requires solve.QP
in the quadprog
package.
Adapted to R by Patrick Nantel
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