rxExpandSens3_: Expand third order sensitivity

In rxode2: Facilities for Simulating from ODE-Based Models

Expand third order sensitivity

Description

Builds the symengine code for the third order forward sensitivity d/dt(d^3 state / d s1 d s2 d s3) by total-differentiating the stored second order sensitivity RHS (for the pair s2,s3) with respect to the newly added variable s1. Mirrors rxExpandSens2_; assumes the first and second order sensitivities (and the Jacobian) are already loaded in the symengine model environment.

Usage

rxExpandSens3_(state, s1, s2, s3)

Arguments

state	is the state to expand
s1	is the newly added (outer) sensitivity variable
s2	is the second sensitivity variable
s3	is the third sensitivity variable

Value

data frame of symengine third order sensitivity code

rxode2 documentation built on July 28, 2026, 5:08 p.m.