Date: Apr 17, 2013 10:57 AM
Author: dpb
Subject: Re: Interp1 Best Method?

On 4/17/2013 7:20 AM, XLT_Frank wrote:
> Morning. I am looking to determine if interop1 is the best method for
> the following:
>
> data1 has two columns, time1 and sensor value. the intervals are on
> demand with 4000+ rows
>
> data2 has two columns, time2 and sensor value. the intervals are at 20Hz
> with 32,000+ rows
>
> I want to take data2 and realign with data1 because I only need to know
> the sensor values in data2 when the sensor value in data1 occurs. Is
> this method also okay when dealing with floating point values for my
> time code (still deciding on format of time vs. date vs. time and date
> serial).


I'd instead use the integer sampling rate as the time instead of float
since you want an exact comparison and that's iffy w/ floating point and
then use ISMEMBER or INTERSECT.

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