Mercurial > repos > public > sbplib
view spzeros.m @ 852:fbb8be3177c8 feature/burgers1d
Fix bug in SAT terms for upwind operators
- Set the appropriate boundary derivatives in respect to choice of upwind discretization of D2
- Distinguish between upwind discretizations e.g upwind+ vs upwind-
author | Vidar Stiernström <vidar.stiernstrom@it.uu.se> |
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date | Thu, 27 Sep 2018 09:30:21 +0200 |
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