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给定一个矩阵，绘制一个三维数据图。
data=textread('F:/时段.txt'); data=data(:,1:end-1); car_num = size(data,1); day_num = size(data,2); hour_num = 3; for i=1:car_num%车序号 %每辆车一条曲线 count = 1; u = []; for j=1:day_num%天序号 u(count,1) = i; u(count,2) = j; u(count,3) = data(i,j); count = count + 1; end %绘制每辆车的曲线 x=u(:,1);%车 y=u(:,2);%天 z=u(:,3);%时段 plot3(x,y,z,'bo',x,y,z); grid on; hold on; axis([0, car_num+1,0,day_num,0,hour_num]);% 坐标轴的显示范围 set(gca, 'XTick', 0:car_num+1); % 车 set(gca, 'YTick', 0:day_num); % 天 set(gca, 'ZTick', 0:hour_num); % 时段 end xlabel('车'); ylabel('天'); zlabel('时段'); title('折线图'); 3 3 2 0 0 0 0 1 3 1 3 0 0 0 0 3 1 3 0 0 0 0 1 0 0 0 0 2 2 2 1 0 1 2 0 0 0 0 1 3 1 0 0 0 0 2 2 1 0 0 0 0 1 1 1 0 0 0 0 3 1 3 3 1 0 0 0 0 0 1 0 0 0 0 1 2 1 3 0 0 0 0 3 1 2 0 0 0 0 2 2 0 0 0 0 1 2 3 3 0 0 0 0 3 2 3 0 0 0 0 2 3 2 0 0 0 0 2 1 2 0 3 1 3 0 0 0 0 0 3 2 0 0 0 0 0 2 1 2 0 0 0 0 0 3 3 1 3 0 0 0 0 3 2 3 2 0 0 0 0 1 3 3 2 0 0 0 0 3 0 3 0 0 0 0 2 1 3 2 0 2 2 2 0 0 0 0 2 1 2 2 0 0 0 0 0 2 1 2 2 0 0 0 0 2 1 0 2 0 0 1 0 0 0 0 1 1 1 2 0 0 0 0 3 2 2 1 0 0 0 0 3 1 3 3 0 0 0 0 1 2 0 0 0 0 3 3 1 3 0 0 0 0 2 2 0 0 0 0 0 3 3 2 0 0 0 0 2 1 2 0 0 0 2 0 1 3 0 0 0 0 0 3 1 1 3 0 0 0 0 1 2 1 0 0 0 0 3 1 3 3 0 0 3 0 0 0 0 3 1 2 3 0 0 0 0 2 2 0 1 0 0 0 0 2 1 3 0 0 0 3 2 2 3 0 0 0 0 2 2 2 0 0 0 0 1 1 1 0 0 0 0 3 3 2 0 0 0 0 1 0 0 0 0 2 2 3 2 0 0 0 0 1 3 3 0 0 0 0 1 2 2 0 0 0 0 3 0 2 3 3 0 2 0 0 0 0 2 3 3 2 0 0 0 0 1 2 3 0 0 0 0 2 2 1 1 0 0 0 0 0 0 0 0 3 3 3 1 0 0 0 0 2 1 0 0 0 0 0 3 1 1 0 0 0 0 1 0 2 3 3 0 2 0 0 0 0 3 2 2 1 0 0 0 0 1 2 2 1 0 0 0 0 2 3 3 3 0 0 0 0 0 1 2 0 0 0 0 2 3 2 0 0 0 0 0 3 3 0 0 0 0 0 1 0 0 0 0 3 3 1 0 3 1 0 0 0 0 2 1 1 0 0 0 0 1 1 2 0 0 0 0 1 2 2 1 0 0 0 0 0 0 1 1 2 0 0 0 0 3 2 0 1 0 0 0 0 3 1 1 3 0 0 0 0 0 0 3 3 1 1 2 0 0 0 0 1 3 3 2 0 0 0 0 3 2 3 1 0 0 0 0 0 3 2 3 1 0 0 0 2 1 2 3 0 0 0 0 1 2 1 0 0 0 0 0 3 1 1 0 0 0 0 3 1 1 2 0 0 0 0 0 1 1 1 0 0 0 0 1 2 0 3 0 0 0 0 1 0 3 3 0 0 0 0 3 3 3 3 0 0 0 0 0 2 1 1 1 0 0 0 0 3 3 3 0 0 0 0 0 1 3 3 2 0 0 0 0 2 3 0 0 1 2 1 3 0 0 0 0 1 2 3 2 0 0 0 0 1 0 2 2 0 0 0 0 1 1 2 1 0 0 0 0 2 3 3 3 0 0 0 0 1 1 3 2 0 0 0 0 1 2 3 3 0 0 0 0 3 1 0 0 0 0 0 0 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 0 0 0 0 0 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 0 0 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3 0 1 2 0 0 0 0 1 3 0 0 0 0 0 3 0 0 0 0 0 0 3 0 1 0 0 1 0 0 0 0 0 0 0 0 3 0 0 0 0 0 0 1 0 0 0 0 2 0 0 0 0 2 2 2 0 0 3 0 0 0 0 0 3 0 0 1 0 0 0 0 0 2 0 0 0 0 0 2 0 0 0 0 0 0 1 0 0 0 0 0 3 0 0 0 0 0 0 0 0 1 0 0 0 0 1 3 0 3 0 0 0 0 1 0 0 3 2 0 0 0 0 2 0 0 0 0 0 0 3 0 0 0 0 1 0 3 0 0 0 0 3 2 0 0 0 0 1 0 1 0 0 0 0 0 0 2 0 2 0 0 0 0 0 0 0 0 1 0 0 0 0 0 2 0 0 0 0 1 0 0 2 0 0 0 0 3 3 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 3 0 0 0 0 1 0 0 1 0 0 0 0 0 1 2 0 2 0 0 0 0 3 0 0 3 0 3 1 1 0 0 0 0 3 0 0 0 0 2 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 2 0 1 0 0 0 0 2 0 0 0 0 0 0 0 0 0 1 0 0 2 0 0 0 0 0 2 2 0 0 0 0 3 3 1 0 0 0 0 1 2 3 1 0 0 0 0 0 2 1 3 0 0 0 2 0 1 3 0 0 0 0 0 0 0 1 2 0 0 0 0 2 1 3 0 0 0 0 0 0 0 0 3 0 0 1 0 0 0 0 1 0 0 0 0 0 0 0 0 1 1 0 3 0 0 0 0 0 2 3 0 2 0 0 0 0 0 0 0 0 2 1 0 0 0 0 0 0 0 0 0 0 2 1 0 0 0 0 0 0 1 0 1 3 0 0 0 0 1 0 3 2 0 0 0 0 0 0 0 2 3 0 0 0 0 3 1 0 1 0 0 0 0 0 0 3 0 0 1 0 0 0 0 0 0 0 3 0 0 1 0 0 0 0 1 2 2 3 0 0 0 0 0 0 0 3 1 2 0 0 0 0 1 0 3 0 0 0 0 0 1 0 0 0 0 2 0 3 1 0 0 0 0 2 0 0 2 0 0 0 0 0 0 0 0 2 2 2 0 0 0 0 0 0 0 1 1 0 2 0 0 0 0 0 1 0 0 0 0 0 1 1 3 0 0 0 0 0 3 0 3 0 0 0 0 0 2 3 2 0 0 0 0 0 0 0 0 0 3 0 3 0 0 0 0 0 0 0 0 1 0 2 0 0 0 0 0 2 3 0 2 0 0 3 0 3 0 0 0 0 1 0 0 0 0 3 3 0 0 0 0 1 1 0 0 0 0 1 1 0 1 0 0 0 0 0 1 0 0 0 0 0 0 0 0 2 0 0 0 0 2 0 3 0 0 0 0 2 0 0 0 0 2 0 0 0 1 0 0 0 0 2 0 0 0 0 0 2 0 3 2 0 0 0 0 0 0 2 2 3 0 0 0 0 0 0 2 1 1 0 0 0 0 0 2 0 0 0 0 2 0 0 0 0 0 3 1 2 1 0 0 0 0 0 0 1 2 1 2 0 0 0 0 0 0 1 1 3 3 0 0 0 0 3 0 0 0 0 1 0 0 2 0 0 0 0 3 0 0 0 0 1 3 0 0 0 0 0 0 1 1 0 0 0 0 2 0 0 0 0 1 0 3 0 0 0 1 0 0 0 0 0 3 0 0 2 0 0 0 0 3 0 0 0 0 1 2 0 2 0 0 0 0 其中，数据共55行，每一行数据代表一辆车的信息，该行中的第i列代表该车的第i天的状态，例如第一行，第一列中的3代表，第一辆车在第一天的第三个时段出行。
文章来源: 【Matlab】三维折线图