Table 2 Zero-valued initial condition combinations that result in the loss of structural identifiability of the Pharmacokinetics model (\(M_5\)).
Number of zero-valued initial conditions | States involved |
|---|---|
2 | \(x_1(0) = x_2(0) = 0\) |
2 | \(x_3(0) = x_4(0) = 0\) |