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view +util/semidiscrete2function.m @ 1038:8537fdd6830a feature/burgers1d

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Use opSets in Burgers1d. Note. Also changed from viscid formulation to inviscid formulation. Might be changed back later.
author Vidar Stiernström <vidar.stiernstrom@it.uu.se>
date Fri, 18 Jan 2019 09:04:38 +0100
parents 48b6fb693025
children
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function F = semidiscrete2function(D,S)
    % TODO: Find threshhold when sparse makes sense.
    % TODO: Why does having the spase block slow down convergence.m (or does it?)
    if size(D,1) > 500
        D = sparse(D);
    end

    if ~isa(S,'function_handle')
        F = @(w,t)(D*w + S);
    else
        F = @(w,t)(D*w + S(t));
    end
end