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view spzeros.m @ 1154:3108963cc42c feature/rv

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Improve efficiency of diffOps in Burgers2d, the artificial diffusion operator in rv.constructDiffOps and the RungekuttaExteriorRv time-steppers
author Vidar Stiernström <vidar.stiernstrom@it.uu.se>
date Wed, 06 Mar 2019 09:45:52 +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