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view spzeros.m @ 1012:1e437c9e5132 feature/advectionRV
Create residual viscosity package +rv and generalize the ResidualViscosity class
- Generalize residual viscosity, by passing user-defined flux and calculating the time derivative outside of the update.
- Create separate RungekuttaRV specifically using interior RV updates
- Separate the artifical dissipation operator from the scheme AdvectionRV1D so that the same scheme can be reused for creating the diff op used by the ResidualViscosity class
author | Vidar Stiernström <vidar.stiernstrom@it.uu.se> |
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date | Wed, 05 Dec 2018 13:44:10 +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