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annotate default_arg.m @ 888:8732d6bd9890 feature/timesteppers

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Add general Runge-Kutta class - Add a general Runge-Kutta class which time integrates the solution based on coefficients obtained from a Butcher tableau - Add butcher tableau which returns coefficents for the specified Runge-Kutta method - Remove RungKutta4proper, since obsolete
author Vidar Stiernström <vidar.stiernstrom@it.uu.se>
date Thu, 15 Nov 2018 17:10:01 -0800
parents 48b6fb693025
children
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48b6fb693025 Initial commit.
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
48b6fb693025 Initial commit.
Jonatan Werpers <jonatan@werpers.com>
parents:
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5 end