MATLAB implicit plot

gistfile1.matlab

% Credits to Vincent Morio
% http://www.mathworks.com/matlabcentral/newsreader/view_thread/152947

% Limits
xlims = [-5 5];
ylims = [-5 5];
zlims = [-5 5];
steps = 30;
noedge = true;

[Y,X,Z] = ...
ndgrid(...
    linspace(xlims(1),xlims(2),steps),...
    linspace(ylims(1),ylims(2),steps),...
    linspace(zlims(1),zlims(2),steps));

impfunc = sinh(X).^2-sinh(Y).^2-1; % Function here

p = patch(isosurface(X,Y,Z,impfunc,0));
isonormals(X,Y,Z,impfunc,p);
set(p,'FaceColor','b','EdgeColor','k','FaceAlpha',0.5);
if (noedge)
    set(p,'EdgeColor','none');
end
daspect([1 1 1])
axis square;
grid on;
camlight 
view(-27,46);
lighting gouraud