annotate default_arg.m @ 549:ae905a11e32c feature/grids

Change away from matrix formulation in Rk4 second order form The new formulation can be up to 8 times faster
author Jonatan Werpers <jonatan@werpers.com>
date Mon, 28 Aug 2017 11:06:00 +0200
parents 48b6fb693025
children
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Jonatan Werpers <jonatan@werpers.com>
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1 function default_arg(s, val)
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2 if evalin('caller',sprintf('~exist(''%s'',''var'') || isempty(%s)',s,s))
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3 assignin('caller',s,val)
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4 end
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5 end