Mercurial > repos > public > sbplib

view +util/semidiscrete2function.m @ 995:10c5eda235b7 feature/timesteppers

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Full use of butcher tableau in time.rk.General. Inline rungekutta step methods
author Jonatan Werpers <jonatan@werpers.com>
date Wed, 09 Jan 2019 22:57:13 +0100
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