matlab中用两个方向向量画平面

 

% filename: plane_plot.m
% version:  7.6.0.324 (R2008a)
plane_plot([1 2 4],[3 3 1]);
function plane_plot(n1,n2,n)
    if nargin<3
        n=10;
    end
    s=bsxfun(@times,[n1,n2],((0:n-1)/(n-1))');
    x=bsxfun(@plus,s(:,1),s(:,4)');
    y=bsxfun(@plus,s(:,2),s(:,5)');
    z=bsxfun(@plus,s(:,3),s(:,6)');
    mesh(x,y,z);
    line('xdata',[0,n1(1)],'ydata',[0,n1(2)],'zdata',[0,n1(3)],'color','r','linewidth',1);
    line('xdata',[0,n2(1)],'ydata',[0,n2(2)],'zdata',[0,n2(3)],'color','r','linewidth',1);
end