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Matlab
Advanced Matlab
Quiz 1
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Q.1
Which of the following contains the memory for the virtual address space given to MATLAB? [p,q]=memory
a) Error
b) p
c) There’s no virtual space for MATLAB
d) q
Q.2
The function handle given to the timeit command cannot be defined within the timeit function.
a) True
b) False
Q.3
The timeit function returns the time in ms.
a) True
b) False
Q.4
What is the output of the following code? syms x; timeit(@()sin(x))
a) The time required to compute the value of a sin(x)
b) Error due to sin(x)
c) Syntactical Error
d) Time required to initialize sin(x) as a vector of symbolic elements
Q.5
What is the output of the following code? syms x; timeit(@sin(x))
a) Syntactical Error
b) Logical Error
c) .0012
d) .0016
Q.6
Which of the following method increases the performance of operation?
a) Preallocation
b) Postallocation
c) It’s not possible to increase performance
d) Characterization
Q.7
Is a==c? >>a=timeit(@()sin(x)); >>b=cputime; >>sin(x); >>c=cputime-b;
a) No
b) Yes
c) Almost
d) Error
Q.8
What is the output of the following code? a=timeit(()sin(x));
a) Error
b) .0012s
c) 12ms
d) .0016s
Q.9
The amount of memory saved for swap files is more than the physical memory allotted for MATLAB.
a) True
b) False
Q.10
The tick command starts a timer.
a) True
b) False
0 h : 0 m : 1 s
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