randperm(1,9)

 the stem may have negative values 

X=1:4;
Y=cumprod(X)

  A second order system with no initial condition is always linear 

Which command is used to save command window text to a file?

What is the result of the following MATLAB code?

a=1:5;
c=a.^2;

The function to evaluate the following series is

1^2+2^2+3^2+4^2+5^2+…83^2

What is the output of the matrix multiplication A = [0;0;1]' * [1 2 3; 4 5 6; 7 8 9]?

What is the output when the following MATLAB script is executed?

a = randi([20:30], 1);

b = nextpow2(a);

disp(b);

A =  1     4     7
    2     5     8
    3     6     9


B = cumsum(A)