NUMERICAL INTEGRATION OF A SINGLE CLASS OF DIFFERENTIAL EQUATIONS WITH MINOR MODIFICATIONS (2022)
SR INIVAS DASAR I,RAJASHEKAR REDDY VERRA JCR. 2022: 186-192
A terminal boundary-value technique is presented for solving singularly perturbed delay differential equations, the solutions of which exhibit layer behaviour. By introducing a terminal point, the original problem is divided into inner and outer region problems. An implicit terminal boundary condition at the terminal point was determined. The outer region problem with the implicit boundary condition was solved and produces an explicit boundary condition for the inner region problem. Then, the modified inner region problem (using the stretching transformation) is solved as a two-point boundary value problem. The second-order finite difference scheme was used to solve both the inner and outer region problems. The proposed method is iterative on the terminal point. To validate the efficiency of the method, some model examples were solved. The stability and convergence of the scheme was also investigated
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