Mulitple Histogram plot with bars

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Anthony 2011-8-27

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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/14640-mulitple-histogram-plot-with-bars

I am trying to create two histograms on a plot. I tried this

 [n, xout] = hist(data(1:179396,1));
  bar(xout, n, 'barwidth', 1, 'basevalue', 1); hold;
  Current plot held
[n2, xout2] = hist(data(1:179484,1));
bar(xout2, n2, 'barwidth', 1, 'basevalue', 1);
set(gca, 'XTick', 0:20:1000)
set(gca,'YScale','log')
 and I got the "Index exceeds matrix dimensions" error. 
I was wondering if anyone could help me. I know it should give that error. but I was wondering if there is a way to get around this.