Why isn't my legend matching my Graph

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Bryan 2017-12-3

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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/370673-why-isn-t-my-legend-matching-my-graph

编辑： Walter Roberson 2017-12-3

image1.jpeg

Below Is my For loop in my main script. The actions are using my main functions. For some reason my legend doesnt match my graph that I made. Attached is the picture of what I'm getting. Only the first entry in the legend is correct, and the rest is the wrong color or wrong type of label ( ex/ a dot instead of a line). Please Help. Thanks in advance.

 for n = 1:7
           [Xo, Yo, Zo, Imag, theta, phi, omgX, omgY, omgZ] = read_input('A.data',n);
              [T, X, Y, Z, U, V, W] = basketball( Xo, Yo, Zo, Imag, theta, phi, omgX, omgY, omgZ);
               hold on
               plotStyle = {'b','k','r','g','m','c','w'};
               plot3(X,Y,Z,plotStyle{n})
               plot3(Xcourt,Ycourt,Zcourt,'.','color',[0.5 0.2 0.3]);
               plot3(Xrim,Yrim,Zrim,'-','color',[.8 0 0.8],'LineWidth',2);
               plot3(Xboard,Yboard,Zboard,'.','color',[0.8 0.7 0.7]);
               legend('Shot #1', 'Shot #2', 'Shot #3','Shot #4', 'Shot #5','Shot #6','Shot #7')
                  box on; grid on; axis tight; axis equal;
                  xlabel('x (m)'); ylabel('y (m)'); zlabel('z (m)');
                  title('Basketball Court');
                  view(2); 
                  set(gca,'FontSize',16);
    end

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Image Analyst 2017-12-3

You probably shouldn't have legend inside the loop because you'll have 7 curves the first time, 14 curves the second time, 21 curves the 3rd time, etc. but you're only doing 7 legends. Put the legend outside the loop.

Bryan 2017-12-3