Sample data from time-dependent array

Hi, apologies as I am somewhat new to Matlab.

I have two columns of data in a matrix (time, and an array of temperature data). The data is irregularly spaced in time.

For example (time on left and temp on right):

228.0000 23.7800

236.0000 23.8767

244.0000 23.9400

256.0000 24.1400

268.0000 23.8200

276.0000 24.0700

Using this time-dependent data, I'd like to predict temperature values for a new time array. The new time array is different from the first in that there are repeat times (i.e., 236.0000 below), and new times that did not exist in the first (i.e., 246.0000 below).

For example:

228.0000 ?

236.0000 ?

236.0000 ?

236.0000 ?

244.0000 ?

246.0000 ?

256.0000 ?

268.0000 ?

276.0000 ?

Thanks for the patience and help!

Answer 1

[Andrei Bobrov]

data = [  228.0000    23.7800
236.0000    23.8767
244.0000    23.9400
256.0000    24.1400
268.0000    23.8200
276.0000    24.0700];

data2 = [  228.0000
236.0000
236.0000
236.0000
244.0000
246.0000
256.0000
268.0000
276.0000   ];

out = interp1(data(:,1),data(:,2),data2);

[Dustin Harper]

Thanks!