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view +util/semidiscrete2function.m @ 1089:d7f6c10eab13 feature/dataspline

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Add function parametrization/dataSpline which accepts data points and returns a Curve object consisting of a spline interpolant with the arclength parametrization.
author Martin Almquist <malmquist@stanford.edu>
date Thu, 04 Apr 2019 17:57:24 -0700
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