Double the values of an 2D array
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I have a 2D array called Numerical_3, I want to double the values of its rows, except the first row. I have attached the picture
This is the code I am using
Numerical_3 = cell2mat(Numerical_2)
P1 = Numerical_3( :,1);
P2 = Numerical_3( :,2)
P1(2:end-1) = 2*P1(2:end-1);
P2(2:end-1) = 2*P2(2:end-1);
But it is not giving me correct results..
I want to double the values from row 2 till end,
does anybody know?