Question 31 : The student receives an error while trying to plot multiple graphs using the hold command. What is there error if there is no a syntactical error?
1. Cannot be determined
2. The plot function is not defined with a constant variable range
3. There is no hold command
4. There has to be a syntactical error only
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Question 32 : How do we access a global variable in nested functions?
1. Simply seek the variable from the primary function
2. Make a copy of the global variables from the primary function
3. Declare the variable within the function
4. Declare the variable as global
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Question 33 : What does the Workspace show?
1. Attributes of variables, functions from command window
2. Attributes of variables, script files from command window
3. Attributes of variables, script files, functions from command window
4. Attributes of variables from command window
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Question 34 : To specify different curves in an angle histogram plot, we use the _________ function.
1. legend
2. display
3. gtext()
4. mtext
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Question 35 : What is the difference between sqrt(10) and sqrt(sym(10))?
1. There is no difference
2. sqrt(sym(10)) is incorrect
3. There is no function as sqrt
4. sqrt(10) returns exact value while sqrt(sym(10)) returns 10^(1/2)
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Question 36 : To bring the scale of each axis to logarithmically spaced, the student entered 'semilogx()'. What really happened?
1. The plot will appear with both axis now logarithmically spaced
2. semilogx() is an invalid function
3. The plot will appear with x axis logarithmically spaced
4. Error
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Question 37 : What are the functions to see the graph of a continuous and a discrete function?
1. plot() & stem()
2. cont() & disc()
3. plot() & disc()
4. cont() & stem()
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Question 38 : How would you simplify log(x²⁰) – log(x¹³) - log(x⁷) in MATLAB? (Assume x is defined as a string variable)
1. simplify(log(x²⁰)-log(x¹³)-log(x⁷));
2. log(x²⁰) – log(x¹³) - log(x⁷)
3. simplify(log(x²⁰)-log(x¹³)-log(x⁷),'IgnoreAnalyticConstraints',true)
4. simplify(log(x²⁰)-log(x¹³)-log(x⁷))
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Question 39 : Which line is treated as H1 line?
1. Comment line succeeding function definition
2. Comment line preceding function definition
3. Comment line after function
4. All lines before and after function definition
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Question 40 : What are persistent variables?
1. Variables which retain values between calls to the function
2. Variables which help in calling a function
3. Variables which deal with functions
4. Variables global to the function
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