June 24 2002 11:02:16.398 AM ONEDFE Solve the two-point boundary value problem - d/dX (P dU/dX) + Q U = F on the interval [XL,XR], specifying the value of U or U' at each end. The interval [XL,XR] is broken into 5 subintervals Number of basis functions per element is 2 The equation is to be solved for X greater than XL = 0.E+0 and less than XR = 1. The boundary conditions are: At X = XL, U= 0.E+0 At X = XR, U'= 1. Number of quadrature points per element is 1 Node Location 0, 0.E+0 1, 0.200000003 2, 0.400000006 3, 0.600000024 4, 0.800000012 5, 1. Subint Length 1, 0.200000003 2, 0.200000003 3, 0.200000018 4, 0.199999988 5, 0.199999988 Subint Quadrature point 1, 0.100000001 2, 0.300000012 3, 0.5 4, 0.700000048 5, 0.899999976 Subint Left Node Right Node 1, 0, 1 2, 1, 2 3, 2, 3 4, 3, 4 5, 4, 5 Node Unknown 0, -1 2*1 2*2 2*3 2*4 2*5 Printout of tridiagonal linear system: Equation ALEFT ADIAG ARITE RHS 1, 0.E+0, 10., -5., 0.E+0 2, -5., 10., -4.99999952, 0.E+0 3, -4.99999952, 10., -5.00000095, 0.E+0 4, -5.00000095, 10.0000019, -5.00000095, 0.E+0 5, -5.00000095, 5.00000095, 0.E+0, 1. Computed solution coefficients: Node X(I) U(X(I)) 0 0.00 0.00000 1 0.20 0.200000 2 0.40 0.400000 3 0.60 0.600000 4 0.80 0.800000 5 1.00 1.00000