Mercurial > repos > public > sbplib

view default_arg.m @ 387:45c69aff2f41 feature/beams

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Swtich to using centerd difference for calculating the first derivative
author Jonatan Werpers <jonatan@werpers.com>
date Thu, 05 Jan 2017 18:36:01 +0100
parents 48b6fb693025
children
line wrap: on
line source

function default_arg(s, val)
    if evalin('caller',sprintf('~exist(''%s'',''var'') || isempty(%s)',s,s))
        assignin('caller',s,val)
    end
end