Re: an array with negative index

[Mike Miller]

On Mon, 23 Aug 2004, Jean-Michel besnard wrote:

> I wish to plot a distribution that could look like:
> coefficient value: -4  -3  -2  -1  0  1  2  3  4
> number of hits:    0    5   9  12  17 18 13 5  1
>
> since an array starts at 1, I can't possibly store the "number of hits" 
> with an index corresponding to their "coefficient value".


The plot command allows you to specify both X and Y values.  See "help 
plot" in octave.  You need something like this:

Y = [0    5   9  12  17 18 13 5  1]';
X = [-4:4]';
plot(X,Y)

Mike

--
Michael B. Miller, Ph.D.
Assistant Professor
Division of Epidemiology
and Institute of Human Genetics
University of Minnesota
http://taxa.epi.umn.edu/~mbmiller/



-------------------------------------------------------------
Octave is freely available under the terms of the GNU GPL.

Octave's home on the web:  http://www.octave.org
How to fund new projects:  http://www.octave.org/funding.html
Subscription information:  http://www.octave.org/archive.html
-------------------------------------------------------------