TY - JOUR T1 - Mathematical modelling of a glucose-insulin system for type 2 diabetic patients in Chad AU - Ntaganda, Jean Marie AU - Adoum, Adam Hassan AU - Haggar, Mahamat Saleh Daoussa PY - 2022 DA - December DO - 10.53391/mmnsa.2022.020 JF - Mathematical Modelling and Numerical Simulation with Applications JO - MMNSA PB - Mehmet YAVUZ WT - DergiPark SN - 2791-8564 SP - 244 EP - 251 VL - 2 IS - 4 LA - en AB - In this paper, we focus on modelling the glucose-insulin system for the purpose of estimating glucagon, insulin, and glucose in the liver in the internal organs of the human body. A three-compartmental mathematical model is proposed. The model parameters are estimated using a nonlinear inverse optimization problem and data collected in Chad. In order to identify insulin and glucose in the liver for type 2 diabetic patients, the Sampling Importance Resampling (SIR) particle filtering algorithm is used and implemented through discretization of the developed mathematical model. 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