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Modify BC in Staggered 1D acoustics to ensure that only physically meaningful changes of variables are used. See hypsyst varcoeff sec 3.
author Martin Almquist <malmquist@stanford.edu>
date Wed, 07 Feb 2018 20:07:34 -0800
parents 46256fffa329
children
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function default_struct(s, val)
    if evalin('caller',sprintf('~exist(''%s'',''var'')',s))
        given = [];
    else
        given = evalin('caller', s);
    end

    final = copyWithDefault(given, val);
    assignin('caller', s, final);
end