GR4J Rainfall-Runoff using Deterministic Methods

GR4J Rainfall-Runoff Model with Deterministic Methods (Matlab)

1- Deterministic Method using (1) Interior Point Algorithm, (2) Sequential Quadratic Programming: SQP and (3) Optimisation by Solver based on non linear optimization like The Levenberg-Marquardt algorithm.

2- Initial (Start) points can be defined by the users according each Basin, in “Initial_Param.txt” file:

3- The Bounds of parameters (4 Parameters of GR4J Model) can be modified in “Bounds_Param.txt” file

4-Displays Nash and RMSE Value