simpeg.flow.richards.empirical.Vangenuchten_theta.nDeriv#
- property Vangenuchten_theta.nDeriv#
Derivative of measure of the pore-size distribution, >1 wrt the model.
- Returns:
scipy.sparse.spmatrix,discretize.Zero,ordiscretize.Identity
Derivative of measure of the pore-size distribution, >1 wrt the model.
scipy.sparse.spmatrix, discretize.Zero, or discretize.Identity