substract row of an array by a vector

Hi,

I have an array of 63X2 and I want to substract the values of the 18, 36 and 54 of the first colum with 2 and then to addition the values of the 18, 36 and of the second colum with 2.

can someone help me with this please!!

Thank you in advance!!

Answer 1

[Stephen23]

Where A is your array:

X = [18,36,54];
A(X,1) = A(X,1) - 2;
A(X,2) = A(X,2) + 2;

[Cedrick De Block]

Thank you very much, it works!!

[Stephen23]

@Cedrick De Block: please accept my answer if it helped you!