The linspace command generates pseudorandom numbers. 

  What is the default parameter for the ztrans() command

To determine whether an input is a MATLAB keyword, which command should be used?

 In MATLAB, how can we check the linearity of systems represented by the transfer function 

A = [true false true; true true false]
A = 1     0     1
   1     1     0
B = cumprod(A,2)

  cumulative product of the rows of A is

What happens if MATLAB's dsolve function does not return a numerical solution?

Statement 1-  Fopen will give a hint that the file is closed. 

Statement 2-  Fclose will give a hint that the file is closed. 

Statement 3-  Gclose will give a hint that the file is closed. 

Statement 1- The nature of data while using pie plots is Discrete data 

Statement 2- The nature of data while using pie plots is  Continuous data 

Statement 3- The nature of data while using pie plots is  Polar data 

 What is the output of the following code? 

P=tf([1 2],[3 4]);
Q=tf([1 2],[3 4]);
Z=P.Q;

What is the result of the following MATLAB code?

A = 1     4     7
   2     5     8
   3     6     9
B = cumsum(A)