Is there an easy way to make errorbar only plot the points

and not the interconnecting line?

--

Cliff Stamp

Is there an easy way to make errorbar only plot the points

and not the interconnecting line?

--

Cliff Stamp

In article

> Is there an easy way to make errorbar only plot the points

> and not the interconnecting line?

> --

> Cliff Stamp

x = 1:10;

y = sin(x);

e = std(y)*ones(size(x));

errorbar(x,y,e,'.')

- Clay

24 Prime Park Way http://www.mathworks.com

Natick, MA 01760-1500 ftp.mathworks.com

==== Tel: 508-647-7000 ==== Fax: 508-647-7001 =====================

1. ERRORBAR: How to only plot every X errorbar?

Per,

Simply make a new vector which is a "duplicate" of the error vector, zero

out the elements that you don't want error bars for, and use that as the

"new" error vector.

For example, the following creates a really messy graph (adapted from the

help for ERRORBAR):

% Set up all of the data...

x = 1:.1:10;

y = sin(x);

e = std(y)*ones(size(x));

% Plot it. The graph is kind of messy.

errorbar(x,y,e);

To make a less messy graph, create a new error vector, zero out most of its

elements, and display that instead.

% Make a copy of e with only every fifth element nonzero.

e2 = e;

for i = 1:length(e2), if rem(i, 5), e2(i) = 0; end; end

% Plot using that one instead.

errorbar(x,y,e2)

Hope this helps,

--

Bob Gilmore, Software Engineer,

The MathWorks, Inc.

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