Subscript indices must either be real positive integers or logicals while using plot function

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sermet 2016-12-16

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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/317120-subscript-indices-must-either-be-real-positive-integers-or-logicals-while-using-plot-function

评论： KSSV 2016-12-16

   figure(1)
   %time_north_sec=1x111 double
   %Q_north_cut_off=111x111 double
   plot(time_north_sec,Q_north_cut_off(:,1)*1e6)
   xlabel('Lag (second)','FontWeight', 'bold')
   ylabel('autocovariance function (mm^2)','FontWeight', 'bold')
  title('North Autocovariance Function')
  set(gca, 'fontsize', 16, 'fontweight', 'bold');
  ylim = get(gca,'YLim');
  ylim([31, 0]);

After running the code I get "Subscript indices must either be real positive integers or logicals while using plot function" although the plot seems OK.

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采纳的回答

KSSV 2016-12-16

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此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/317120-subscript-indices-must-either-be-real-positive-integers-or-logicals-while-using-plot-function#answer_247424

编辑：KSSV 2016-12-16

figure(1)
   %time_north_sec=1x111 double
   %Q_north_cut_off=111x111 double
   plot(time_north_sec,Q_north_cut_off(:,1)*1e6)
   xlabel('Lag (second)','FontWeight', 'bold')
   ylabel('autocovariance function (mm^2)','FontWeight', 'bold')
  title('North Autocovariance Function')
  set(gca, 'fontsize', 16, 'fontweight', 'bold');
%     ylim = get(gca,'YLim');
  ylim([0 31]);