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view default_arg.m @ 645:a5307adc6177 feature/d1_staggered

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Add diracDiscr.m. Noticed bug if source is on grid point.
author Martin Almquist <malmquist@stanford.edu>
date Tue, 14 Nov 2017 14:28:35 -0800
parents 48b6fb693025
children
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line source

function default_arg(s, val)
    if evalin('caller',sprintf('~exist(''%s'',''var'') || isempty(%s)',s,s))
        assignin('caller',s,val)
    end
end