|  | function plotTrajectory(values,color)
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							|  | % plotTrajectory: plot the poses in a values object
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							|  | % assumes keys are 0 to N-1, where N is values.size()
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							|  | X=[];Y=[];
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							|  | for i=0:values.size()-1
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							|  |     pose_i = values.pose(i);
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							|  |     X=[X;pose_i.x];
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							|  |     Y=[Y;pose_i.y];
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							|  | end
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							|  | plot(X,Y,color);
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