aDepartment of Mathematics, Faculty of Mathematical Sciences, University of Delhi, Delhi 110 007, India
bDepartment of Mathematics, Rajdhani College, University of Delhi, Delhi 110 015, India
Abstract:
We report two parameter alternating group explicit (TAGE) iteration method to solve the tri-diagonal linear system derived from a new finite difference discretization of sixth order accuracy of the two point singular boundary value problem , 0 < r < 1, = 1 and 2 subject to boundary conditions u(0) = A, u(1) = B, where A and B are finite constants. We also discuss Newton-TAGE iteration method for the sixth order numerical solution of two point non-linear boundary value problem. The proof for the convergence of the TAGE iteration method when the coefficient matrix is real and unsymmetric is discussed. Numerical results are presented to illustrate the proposed iterative methods.