plot3 plots surface rather than line

[Jake Michaelson]

Hi all,

New user of octave/octave-forge here.  I've been very perplexed about 
the behavior of plot3.  I have a data matrix of the columns and 1400 
rows.  I assign x,y,z with code like

x=data(:,1);

...etc. and then use

plot3(x,y,z);

I've tested this on my Linux box and got a surface.  I did the same 
thing on my Mac at home and got a line (which is what I wanted).  Then 
I tried my Mac at work and got a surface again!

Anyone know what's going on here?  I'm using Octave 2.1.71 on all 
machines, as well as the 2005.6.13 version of octave-forge.

Thanks,

Jake



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