view default_arg.m @ 222:e7e73173d44d feature/beams

time.Rungekutta4SecondOrder: Started adding code to allow timedependent D,E,S. Might be buggy.
author Jonatan Werpers <jonatan@werpers.com>
date Tue, 28 Jun 2016 13:21:02 +0200
parents 48b6fb693025
children
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function default_arg(s, val)
    if evalin('caller',sprintf('~exist(''%s'',''var'') || isempty(%s)',s,s))
        assignin('caller',s,val)
    end
end