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Programming in LabVIEW MathScript-Simple If Statement Exercises

Module by: Anthony Antonacci, Darryl Morrell. E-mail the authors

Based on: Programming in MATLAB-Simple If Statement Exercises by Darryl Morrell

Summary: This module provides several simple exercises designed to test and increase your understanding of if statements in LabVIEW MathScript.

Some If Statement Exercises

Exercise 1

What will the following LABVIEW MATHSCRIPT code print? 


a = 10;
if a ~= 0
    disp('a is not equal to 0')
end

[ Show Solution ]

Exercise 2

What will the following LABVIEW MATHSCRIPT code print? 


a = 10;
if a > 0
    disp('a is positive')
else
    disp('a is not positive')
end

[ Show Solution ]

Exercise 3

What will the following LABVIEW MATHSCRIPT code print? 


a = 5;
b = 3;
c = 2;
if a < b*c
    disp('Hello world')
else
    disp('Goodbye world')
end

[ Show Solution ]

Exercise 4

Suppose the code in Exercise 2 is modified by adding parentheses around a > 0. What will it print? 


a = 10;
if (a > 0)
    disp('a is positive')
else
    disp('a is not positive')
end

[ Show Solution ]

Exercise 5

Suppose the code in Exercise 3 is modified by adding the parentheses shown below. What will it print? 


a = 5;
b = 3;
c = 2;
if (a < b)*c
    disp('Hello world')
else
    disp('Goodbye world')
end

[ Show Solution ]

Exercise 6

What will the following LABVIEW MATHSCRIPT code print? 


p1 = 3.14;
p2 = 3.14159;
if p1 == p2
    disp('p1 and p2 are equal')
else
    disp('p1 and p2 are not equal')
end

[ Show Solution ]

Exercise 7

What will the following LABVIEW MATHSCRIPT code print? 


a = 5;
b = 10;
if a = b
    disp('a and b are equal')
else
    disp('a and b are not equal')
end

[ Show Solution ]

Exercise 8

For what values of the variable a will the following LABVIEW MATHSCRIPT code print 'Hello world'? 


if ~ a == 0
    disp('Hello world')
else
    disp('Goodbye world')
end

[ Show Solution ]

Exercise 9

For what values of the variable a will the following LABVIEW MATHSCRIPT code print 'Hello world'? 


if a >= 0 && a < 7
    disp('Hello world')
else
    disp('Goodbye world')
end

[ Show Solution ]

Exercise 10

For what values of the variable a will the following LABVIEW MATHSCRIPT code print 'Hello world'? 


if a < 3 || a > 10
    disp('Hello world')
else
    disp('Goodbye world')
end

[ Show Solution ]

Exercise 11

For what values of the variable a will the following LABVIEW MATHSCRIPT code print 'Hello world'? 


if a < 7 || a >= 3
    disp('Hello world')
else
    disp('Goodbye world')
end

[ Show Solution ]

Exercise 12

Write an if statement that will print 'a is very close to zero' if the value of the variable a is between -0.01 and 0.01.

[ Show Solution ]

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