Linear interpolation for 60 points

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Panouoilis
Panouoilis 2013-7-29
I have a question and i would appreciate it if someone can help.
I have a matrix that contains 840 values, which represent the power output of a PV during a day for every minute. Is there any way to apply linear interpolation in order to find the power output for every second?
Graphically, i can draw the lines between every two minutes, divide each line to 60 points and take the values that i want. Is there any function in matlab for that?
Thank you!

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Jan
Jan 2013-7-29
编辑：Jan 2013-7-29
This is a job for interp1:
data = rand(1, 840);
minute = 1:840;
second = 1:1/60:840;
data2 = interp1(minute, data, second);

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