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From: Jane on 12 Feb 2010 11:04

Hi,

If I have a set of data such as the following:

X1(1:20,1) Y2(1:20,1)
-5.2352 -158.8660
-4.5818 -157.7073
-3.7797 -157.1772
-4.5348 -154.5838
-2.8563 -153.9182
-0.8382 -152.6234
-0.5937 -151.4343
-1.4135 -150.9876
-3.3390 -150.5532
-5.2323 -150.5474
-6.5954 -149.8370
-7.7168 -149.2079
-9.8864 -149.0401
-9.2928 -148.9681
-9.8588 -148.2953
-9.7940 -147.8790
-9.9081 -147.8316
-9.8623 -147.7575
-9.7143 -147.8512
-9.5494 -147.6228
-8.8987 -148.1387

I want the size of the data to equal 954 instead of 20. How do I use interpolation to do this.

Thank you.
From: Jan Simon on 12 Feb 2010 11:21
Dear Jane!

> I want the size of the data to equal 954 instead of 20. How do I use interpolation to do this.

Have you read the help for INTERP1 already?

Good luck, Jan
From: Jane on 12 Feb 2010 13:04

Yes Im not sure I understand because its returning NANS.
From: Jan Simon on 12 Feb 2010 13:34
Dear Jane!

> Yes Im not sure I understand because its returning NANS.

For what input does INTERP1 reply NANs?

Jan
From: Jane on 12 Feb 2010 14:25
for input of repetition. if there is a third column. would i need to interpolate the first and second and then the first and third.
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