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From: morris on 22 Mar 2010 07:56
I am having soem issues aligning my data. 3 different devices start at for exapmpl 09:30am, 09:56 am and 10:00am. I need to analyze my data in absolute time with the true starting time to be 10:00am where they intersect.

First two isuse is when i plot the graph, they have an extra line in the graph.
The 2nd issue is that they are not aligning correctly.

Any suggestions would be helpful . hope i have not confused the issue.
thanks
From: John D'Errico on 22 Mar 2010 08:04
"morris " <morris.anglin(a)ncl.ac.uk> wrote in message <ho7lsl$rku$1(a)fred.mathworks.com>...
> I am having soem issues aligning my data. 3 different devices start at for exapmpl 09:30am, 09:56 am and 10:00am. I need to analyze my data in absolute time with the true starting time to be 10:00am where they intersect.
>
> First two isuse is when i plot the graph, they have an extra line in the graph.

Huh?????


> The 2nd issue is that they are not aligning correctly.

This is a common problem. People talk about aligning
things, or use a variety of euphemisms for the issue.
You wish to interpolate your data?

Then use interp1.


> Any suggestions would be helpful . hope i have not confused the issue.

An extra line?

John
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