MATLAB Basics set 21

Que.What is the output of the following code?
clear ALL

a. Clears the workspace
b. Clears the matrices
c. Clears the vectors
d. Clears ALL
Discussion
Que.All matrices are vectors but all vectors are not matrices in MATLAB.
a. True
b. False
c. May be True or False
d. Can’t say
Discussion
Que.What is the output of the following code?
ismatrix([]);

a. logical 1
b. logical 0
c. logical -1
d. Error
Discussion
Que.What is the output of the following code?
isvector([]);

a. 1
b. 0
c. Syntactical error
d. Logical error
Discussion
Que.If the dimensions of vectors don’t match, the plot command will always give an error.
a. True
b. False
c. May be True or False
d. Can’t say
Discussion
Que.What is the name of a primary function?
a. Name of M-file
b. Name of Script File
c. Name of Help file
d. Name of Private-File
Discussion
Que.Predominantly, what are the two kinds of errors in MATLAB programs?
a. Syntax and runtime
b. Syntax and logic
c. Logic and runtime
d. Syntax and algorithmic
Discussion
Que.Which code would you use to find the value of the function f?
f(x)=sin(x) + cos (x) + tan (x) at x = 
Que.What are persistent variables?
a. Variables which retain values between calls to the function
b. Variables which help in calling a function
c. Variables which deal with functions
d. Variables global to the function
Discussion


Que.Variables need to have same name while being passed from the primary function to the sub-function.
a. True
b. False
c. May be True or False
d. Can't say
Discussion


Que.Find the error in below code.
>>f = inline('t.^4', 't');  g = inline('int(h(t), t)', 't');

a. There is no function as inline
b. The error will be in defining g
c. The error will be in evaluating a numeric value for the function g
d. Syntactical error in defining g
Discussion