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view default_arg.m @ 672:82024d32e333 feature/d1_staggered

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Correct char BC in staggered acoustics 1D variable coeff.
author Martin Almquist <malmquist@stanford.edu>
date Wed, 27 Dec 2017 21:16:06 +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