I have mat file need to substract 24rows x 1column . Please provide solutions .

Load. N1 N2. S1. S2. 0. 2.55 8.999. -5.6363 2.9636 11.23 3.400 4.330. -7.3333. -8.999. Need to substract in N1 =3.400-2.55. Like for n rows

[Dyuman Joshi]

Format your question properly so that it is understandable.

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[solleti prabhakarchary]

I have values of different loads and N1 values .Need to substract with row2-row1,row3-row1....like row1 was constant here.

[Dyuman Joshi]

Your statement is still quite unclear.

From what I have understood,

y=randi(20,4,5)

y = 4×5

9 18 2 3 11 6 6 12 18 8 18 18 19 9 10 17 1 20 13 11

for i=2:size(y,1)
    z=y(i,:)-y(1,:)
end

z = 1×5

-3 -12 10 15 -3

z = 1×5

9 0 17 6 -1

z = 1×5

8 -17 18 10 0