classdef S2VectorFieldHarmonic < S2VectorField
% a class represeneting a function on the sphere

properties
  sF;
end

properties(Dependent = true)
  x;
  y;
  z;
end

methods

  function sVF = S2VectorFieldHarmonic(sF, varargin)
    % initialize a spherical vector field
    if nargin == 0, return; end

    if length(sF) == 3
      sVF.sF = sF(:);

    elseif length(sF) == 2
      f2 = @(y, v) ...
        y(:, 1)./sin(v.theta).^2.*S2VectorField.rho(v)+ ...
        y(:, 2).*S2VectorField.theta(v);
      f = @(v) f2(sF.eval(v), v);

      sVF = S2VectorFieldHarmonic.quadrature(@(v) f(v));
    end

  end

  function x = get.x(sVF), x = sVF.sF(1); end
  function y = get.y(sVF), y = sVF.sF(2); end
  function z = get.z(sVF), z = sVF.sF(3); end
  function sVF = set.x(sVF, x), sVF.sF(1) = x; end
  function sVF = set.y(sVF, y), sVF.sF(2) = y; end
  function sVF = set.z(sVF, z), sVF.sF(3) = z; end

end

methods(Static = true)
  sVF = quadrature(f, varargin)
  sVF = approximation(f, varargin)
end

end

 
ans = S2VectorFieldHarmonic (<a href="matlab:docmethods(ans)">show methods</a>, <a href="matlab:plot(ans)">plot</a>)

Struct contents reference from a non-struct array object.

Error in S2VectorFieldHarmonic/display (line 10)
disp([' bandwidth: ' num2str(sVF.sF.bandwidth)]);

Published with MATLAB® R2017a