view +util/semidiscrete2function.m @ 258:a8d89688ba01 operator_remake

Merged nonequidistant into one class and cleaned up.
author Martin Almquist <martin.almquist@it.uu.se>
date Thu, 08 Sep 2016 13:28:35 +0200
parents 48b6fb693025
children
line wrap: on
line source

function F = semidiscrete2function(D,S)
    % TODO: Find threshhold when sparse makes sense.
    % TODO: Why does having the spase block slow down convergence.m (or does it?)
    if size(D,1) > 500
        D = sparse(D);
    end

    if ~isa(S,'function_handle')
        F = @(w,t)(D*w + S);
    else
        F = @(w,t)(D*w + S(t));
    end
end