Mercurial > repos > public > sbplib
view spzeros.m @ 1013:eb441fbdf379 feature/advectionRV
Draft implementation of RungeKutta with exterior RV updates
- Draft class RungeKuttaExteriorRV which updates the residual using a BDF approximation of the derivtive outside of the RK stages.
- Draft class for BDF derivative
author | Vidar Stiernström <vidar.stiernstrom@it.uu.se> |
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date | Wed, 05 Dec 2018 15:04:44 +0100 |
parents | 13d2f20c0c0d |
children |
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function S = spzeros(varargin) switch length(varargin) case 2 S = sparse(varargin{1}, varargin{2}); case 1 v = varargin{1}; switch length(v) case 1 S = sparse(v,v); case 2 S = sparse(v(1), v(2)); otherwise error('Input must be either one integer, two integers or a vector with two integers'); end otherwise error('Too many input arguments.'); end end