Differences Of The Elements Of A Matrix.

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Pranjal Pathak
Pranjal Pathak 2012-1-17
Hi, I have a problem which may be very simple for others but since I am very new to MATLAB I am facing some problem regarding the same.
I have a 128-by-128 matrix. I need to find the differences of the adjacent elements(i.e., 2nd element- 1st element,3rd element- 2nd element...so on),firstly along the rows and secondly along the columns to give two different matrices(using the 'diff'command). Can anyone please help me out in solving this problem?
Thanking You!

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Andrei Bobrov
Andrei Bobrov 2012-1-17
doc diff
eg:
H = diff(I,1,2) % differences between columns
V = diff(I) % differences between rows

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