Mercurial > repos > public > sbplib

view default_arg.m @ 834:f1f0bf087e1c feature/burgers1d

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Add support for artificial viscosity - Add option to use upwind operators for discretizing the scheme - Add option to use dissipation operators constructed from undivided differences when discretizing with narrow stencil operators
author Vidar Stiernström <vidar.stiernstrom@it.uu.se>
date Thu, 13 Sep 2018 14:21:47 +0200
parents 48b6fb693025
children
line wrap: on
line source

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