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view default_arg.m @ 1130:99fd66ffe714 feature/laplace_curvilinear_test

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Add derivative of delta functions and corresponding tests, tested for 1D.
author Martin Almquist <malmquist@stanford.edu>
date Tue, 21 May 2019 18:44:01 -0700
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