pastvalue {ddesolve}R Documentation

Retrieve Past Values (lags) During Gradient Calculation

Description

These routines provides access to variable history at lagged times. The lagged time t must not be less than t0, nor should it be greater than the current time of gradient calculation. The routine cannot be directly called by a user, and will only work during the integration process as triggered by the dde routine.

Usage

 
pastvalue(t)
pastgradient(t)

Arguments

t access history at time t.

Value

vector of variable history at time t.

See Also

dde


[Package ddesolve version 1.02 Index]