' - - File:XVc:  Solve Boundary Value Problem (BVP) 
'  Given:  X"(t) - (1 + t^2) x = -1

F{t,x,y} = y
G{t,x,y} = (1 + t^2)  x- 1

to = -1: xo = 0: tb = 1: xb = 0 : n = 100
BVP[F, G, {to,xo,tb,xb,n}]



