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view default_arg.m @ 663:b45ec2b28cc2 feature/poroelastic

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First implementation of elastic shear operator with free boundary BC.
author Martin Almquist <malmquist@stanford.edu>
date Thu, 14 Dec 2017 13:54:20 -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