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view +grid/old/triang_interp_pts.m @ 815:fae41958af4f feature/burgers1d

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Add support for artificial viscosity to the 1d burgers scheme. - Add support for artificial viscosity by parametrizing the discretization operator and boundary closure on the viscosity. - Add a time stepper which evaluates and updates the residual viscosity of the solution.
author Vidar Stiernstrom <vidar.stiernstrom@it.uu.se>
date Thu, 06 Sep 2018 12:43:51 +0200
parents 48b6fb693025
children
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% Creates a transfinite interpolation from connecting the four points wiht straight lines.
function [S, g1, g2, g3] = triang_interp_pts(p1,p2,p3)
    if size(p1) ~= [2 1]
        error('p1 is strange!');
    end

    g1 = @(t)(p1 + t*(p2-p1));
    g2 = @(t)(p2 + t*(p3-p2));
    g3 = @(t)(p3 + t*(p1-p3));

    S = grid.triang_interp(g1,g2,g3);
end