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Convert Rungekutta4 to take F(t,y) instead of a matrix
author Jonatan Werpers <jonatan@werpers.com>
date Tue, 08 Jan 2019 12:07:57 +0100
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