A method for the numerical integration of the one-dimensional heat equation using chebyshev series

ABSTRACTA numerical solution ofwith general linear boundary conditions alongx= ±1, is described where at any timetthe Chebyshev expansion of θ(x,t) in –1 ≤x≤ 1 is computed directly. Compared with the more usual finite difference methods, this method requires much less computation and there are no stability problems. Two cases are considered in detail.