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Octave plotting x axis precision

From: wangboyuan
Subject: Octave plotting x axis precision
Date: Fri, 18 Mar 2016 05:32:55 -0700 (PDT)


I wonder how can I increase the precision of the x/y axis when I am plotting
the graph. 

I have initialised the >>option long 
and I have a data set for example: 

ans = 


ans = 


and when I do plot(x(1:3),y(1,3)), i can only see a straight vertical line
between -62 and -63, it seems like that the x axis doesnt have enough
decimal places to recognise the changes. 

 get(gca, 'xticklabel') 
ans = 
  [1,1] = -2e+006 
  [1,2] = -1.5e+006 
  [1,3] = -1e+006 
  [1,4] = -500000 
  [1,5] = 0 
  [1,6] = 500000 
  [1,7] = 1e+006 
  [1,8] = 1.5e+006 

This is what I get from the get gca() function. Is there anyway to increase
the precision of the x axis so that I can see the data point moving ? 

Thank you very much for the help

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