extract from matrix matlab code example
Example 1: matlab matrix index
A = [16 5 9; 4 2 11; 7 14 9]; % Create matrix
A(2,3) % Extract the element in row 2, column 3
ans = 11
A(1:2,2:3) % Extract elements in rows 1 and 2, and columns 2 and 3
ans = 5 9
2 11
Example 2: matlab matrix indexing
v = [16 5 9 4 2 11 7 14];
v(3) % Extract the third element (ans = 9)