# Dexpressions

0th

Percentile

##### List of unevaluated expressions for (mixed) partial derivatives of fitness with respect to linear predictors.

Unevaluated expressions for (mixed) partial derivatives of fitness with respect to linear predictors for survival and fecundity.

Keywords
symbolmath
##### Usage
Dexpressions
##### Value

PW.d0W

Fitness (W) function for the Poisson-Weibull (PW) model.

PW.d1Wds

First Partial derivative of fitness (d1W) with respect to survival (d1s) linear predictor for the Poisson-Weibull (PW) model.

PW.d1Wdf

First Partial derivative of fitness (d1W) with respect to fecundity (d1f) linear redictor for the Poisson-Weibull (PW) model.

PW.d3Wd2sd1f

Mixed third partial derivative of fitness (d3W) with 2nd derivative of survival linear predictor (d2s) and first derivative of fecundity linear predictor (d1f) from the Poisson-Weibull (PW) model.

PW.d3Wdsd2f

and so on ...

PW.d2Wd2f

PW.d2Wd2s

PW.d3Wd3s

PW.d3Wd3f

Dtensor