Question 1

To clear the contents of the Command Window, type:

Accepted Answer

A)  clear 
B)  clr 
C)  clc 
D)  $\text { shift-c }$ 
A)  clear 
B)  clr 
C)  clc 
D)  $\text { shift-c }$ C

Question 2

You can transfer old commands from the Command History Window to the Command Window.

Accepted Answer

A) True 
 B)False  True

Question 3

If you define $x = 2 / 3$ , and then type format bank, how will the value of x be displayed?

Accepted Answer

A)  x = 0.66666666667 
B)  x = 0.6667 
C)  x = 0.67 
D)  x $x = 2 / 3$ 
A)  x = 0.66666666667 
B)  x = 0.6667 
C)  x = 0.67 
D)  x $x = 2 / 3$ C

Question 4

Suppose you have defined $x = [ 1,2,3 ]$ and $y = [ 2,4,6 ]$ in the Command Window. Determine the result of the following MATLAB operation: $> > x + y$

Accepted Answer

A) ans $ =3 \quad 6 \quad 9 $ 
B) ans $ =\begin{array}{llllll}1 & 2 & 3 & 2 & 4 & 6\end{array} $ 
C) ans $ =612 $ 
D) ans $ =18 $ 
A) ans $ =3 \quad 6 \quad 9 $ 
B) ans $ =\begin{array}{llllll}1 & 2 & 3 & 2 & 4 & 6\end{array} $ 
C) ans $ =612 $ 
D) ans $ =18 $

Question 5

If you define $x = 2 / 3$ , and then type format long, how will the value of x be displayed?

Accepted Answer

A)  x = 0.66666666666666666666667 
B)  x = 0.66666666666667 
C)  x = 0.67000000000000 
D)  $x = 2 / 3$ 
A)  x = 0.66666666666666666666667 
B)  x = 0.66666666666667 
C)  x = 0.67000000000000 
D)  $x = 2 / 3$

Question 6

What is the MATLAB command for calculating the square root of a number?

Accepted Answer

A) square_root 
B) sqrt 
C) $ \mathrm{sqr} $ 
D) sq $ \mathrm{rt} $ 
A) square_root 
B) sqrt 
C) $ \mathrm{sqr} $ 
D) sq $ \mathrm{rt} $

Question 7

Suppose you have defined $x = [ 1,2,3 ] \text { and } y = [ 2,4,6 ]$ in the Command Window. Determine the result of the following MATLAB operation: $> > \mathbf { X } \cdot { } ^ { * } \mathbf { y }$

Accepted Answer

A)  ans $ =369 $ 
B) ans $ =2 \quad 8 \quad 18 $ 
C) ans $ =\begin{array}{llllll}1 & 2 & 3 & 2 & 4 & 6\end{array} $ 
D) ans $ =6 \quad 12 $ 
A)  ans $ =369 $ 
B) ans $ =2 \quad 8 \quad 18 $ 
C) ans $ =\begin{array}{llllll}1 & 2 & 3 & 2 & 4 & 6\end{array} $ 
D) ans $ =6 \quad 12 $

Question 8

Which of the following MATLAB commands would calculate the value of $e ^ { x }$ ?

Accepted Answer

A) $ e^{\wedge} x $ 
B) $ \exp (x) $ 
C) $ \exp ^{\wedge} \mathrm{x} $ 
D) exponent $ (\mathrm{x}) $ 
A) $ e^{\wedge} x $ 
B) $ \exp (x) $ 
C) $ \exp ^{\wedge} \mathrm{x} $ 
D) exponent $ (\mathrm{x}) $

Question 9

If you define $x = 2 / 3$ , and then type format short, how will the value of x be displayed?

Accepted Answer

A)  x = 0.66666666667 
B)  x = 0.6667 
C)  x = 0.67 
D)  x $x = 2 / 3$ 
A)  x = 0.66666666667 
B)  x = 0.6667 
C)  x = 0.67 
D)  x $x = 2 / 3$

Question 10

Which of the following commands are commonly used while plotting in MATLAB?

Accepted Answer

A)  plot 
B)  title 
C)  grid 
D)  all of the above 
A)  plot 
B)  title 
C)  grid 
D)  all of the above

Question 11

If you define $x = 2 / 3$ , and then type format rat, how will the value of x be displayed?

Accepted Answer

A)  x = 0.66666666667 
B)  x = 0.6667 
C)  x = 0.67 
D)  x $x = 2 / 3$ 
A)  x = 0.66666666667 
B)  x = 0.6667 
C)  x = 0.67 
D)  x $x = 2 / 3$

Question 12

The part of the screen where you enter variables and issue MATLAB commands is known as the

Accepted Answer

A)  menu bar. 
B)  current folder. 
C)  command window. 
D)  command history window. 
A)  menu bar. 
B)  current folder. 
C)  command window. 
D)  command history window.

Question 13

To generate the set of x even numbers in the range of two to ten, what should you enter in the Command Window?

Accepted Answer

A)  x = 2;2;10 
B)  x = 2:2:10 
C)  x = 2:10:2 
D)  x = 2,10,2 
A)  x = 2;2;10 
B)  x = 2:2:10 
C)  x = 2:10:2 
D)  x = 2,10,2

Question 14

An M-file is used when you write a program that is more than a few lines long.

Accepted Answer

A) True 
 B)False

Question 15

What is the MATLAB command for calculating standard deviation?

Accepted Answer

A)  standard 
B)  stddev 
C)  std 
A)  standard 
B)  stddev 
C)  std

To clear the contents of the Command Window, type:

You can transfer old commands from the Command History Window to the Command Window.

If you define $x = 2 / 3$ , and then type format bank, how will the value of x be displayed?

Suppose you have defined $x = [ 1,2,3 ]$ and $y = [ 2,4,6 ]$ in the Command Window. Determine the result of the following MATLAB operation: $> > x + y$

If you define $x = 2 / 3$ , and then type format long, how will the value of x be displayed?

What is the MATLAB command for calculating the square root of a number?

Suppose you have defined $x = [ 1,2,3 ] \text { and } y = [ 2,4,6 ]$ in the Command Window. Determine the result of the following MATLAB operation: $> > \mathbf { X } \cdot { } ^ { * } \mathbf { y }$

Which of the following MATLAB commands would calculate the value of $e ^ { x }$ ?

If you define $x = 2 / 3$ , and then type format short, how will the value of x be displayed?

Which of the following commands are commonly used while plotting in MATLAB?

If you define $x = 2 / 3$ , and then type format rat, how will the value of x be displayed?

The part of the screen where you enter variables and issue MATLAB commands is known as the

To generate the set of x even numbers in the range of two to ten, what should you enter in the Command Window?

An M-file is used when you write a program that is more than a few lines long.

What is the MATLAB command for calculating standard deviation?

Introduction to the Engineering Profession

Preparing for an Engineering Career

Introduction to Engineering Design

Engineering Communication

Engineering Ethics

Fundamental Dimensions and Units

Length and Length-Related Variables in Engineering

Time and Time-Related Variables in Engineering

Mass and Mass-Related Variables in Engineering

Force and Force-Related Variables in Engineering

Temperature and Temperature-Related Variables in Engineering

Electric Current and Related Variables in Engineering

Energy and Power

Computational Engineering Tools: Electronic Spreadsheets

Engineering Drawings and Symbols

Engineering Materials

Mathematics in Engineering

Probability and Statistics in Engineering

Engineering Economics

Filters

Exam 15: Computational Engineering Tools: Matlab

To clear the contents of the Command Window, type:

You can transfer old commands from the Command History Window to the Command Window.

If you define x=2/3x = 2 / 3x=2/3 , and then type format bank, how will the value of x be displayed?

Suppose you have defined x=[1,2,3]x = [ 1,2,3 ]x=[1,2,3] and y=[2,4,6]y = [ 2,4,6 ]y=[2,4,6] in the Command Window. Determine the result of the following MATLAB operation: >>x+y> > x + y>>x+y

If you define x=2/3x = 2 / 3x=2/3 , and then type format long, how will the value of x be displayed?

What is the MATLAB command for calculating the square root of a number?

Suppose you have defined x=[1,2,3] and y=[2,4,6]x = [ 1,2,3 ] \text { and } y = [ 2,4,6 ]x=[1,2,3] and y=[2,4,6] in the Command Window. Determine the result of the following MATLAB operation: >>X⋅∗y> > \mathbf { X } \cdot { } ^ { * } \mathbf { y }>>X⋅∗y

Which of the following MATLAB commands would calculate the value of exe ^ { x }ex ?

If you define x=2/3x = 2 / 3x=2/3 , and then type format short, how will the value of x be displayed?

Which of the following commands are commonly used while plotting in MATLAB?

If you define x=2/3x = 2 / 3x=2/3 , and then type format rat, how will the value of x be displayed?

The part of the screen where you enter variables and issue MATLAB commands is known as the

To generate the set of x even numbers in the range of two to ten, what should you enter in the Command Window?

An M-file is used when you write a program that is more than a few lines long.

What is the MATLAB command for calculating standard deviation?

Introduction to the Engineering Profession

Preparing for an Engineering Career

Introduction to Engineering Design

Engineering Communication

Engineering Ethics

Fundamental Dimensions and Units

Length and Length-Related Variables in Engineering

Time and Time-Related Variables in Engineering

Mass and Mass-Related Variables in Engineering

Force and Force-Related Variables in Engineering

Temperature and Temperature-Related Variables in Engineering

Electric Current and Related Variables in Engineering

Energy and Power

Computational Engineering Tools: Electronic Spreadsheets

Engineering Drawings and Symbols

Engineering Materials

Mathematics in Engineering

Probability and Statistics in Engineering

Engineering Economics

Filters

If you define $x = 2 / 3$ , and then type format bank, how will the value of x be displayed?

Suppose you have defined $x = [ 1,2,3 ]$ and $y = [ 2,4,6 ]$ in the Command Window. Determine the result of the following MATLAB operation: $> > x + y$

If you define $x = 2 / 3$ , and then type format long, how will the value of x be displayed?

Suppose you have defined $x = [ 1,2,3 ] \text { and } y = [ 2,4,6 ]$ in the Command Window. Determine the result of the following MATLAB operation: $> > \mathbf { X } \cdot { } ^ { * } \mathbf { y }$

Which of the following MATLAB commands would calculate the value of $e ^ { x }$ ?

If you define $x = 2 / 3$ , and then type format short, how will the value of x be displayed?

If you define $x = 2 / 3$ , and then type format rat, how will the value of x be displayed?