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view default_arg.m @ 681:7368affc8f78 feature/poroelastic

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Add D2 variable periodic for second order.
author Martin Almquist <malmquist@stanford.edu>
date Wed, 07 Feb 2018 15:42:50 -0800
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