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Developing Data Products and Working with NumPy - NumPy - Quiz No.2

gs gs120 Developing Data Products and Working with NumPy - NumPy - Quiz No.2

gs gs120 Data Structure Quiz

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Question 1: Which of the following sets the size of the buffer used in ufuncs?
bufsize(size)
setsize(size)
setbufsize(size)
all of the mentioned
Question 2: Point out the wrong statement.
A universal function is a function that operates on ndarrays in an element-by-element fashion
In Numpy, universal functions are instances of the numpy.ufunction class
Many of the built-in functions are implemented in compiled C code
All of the mentioned
Question 3: Which of the following attribute should be used while checking for type combination input and output?
.types
.type
.class
all of the mentioned
Question 4: Which of the following returns an array of ones with the same shape and type as a given array?
all_like
ones_like
one_alike
all of the mentioned
Question 5: Point out the wrong statement.
Each universal function takes array inputs and produces array outputs
Broadcasting is used throughout NumPy to decide how to handle disparately shaped arrays
The output of the ufunc is necessarily an ndarray, if all input arguments are ndarrays
All of the mentioned
Question 6: Which of the following set the floating-point error callback function or log object?
setter
settercall
setterstack
all of the mentioned
Question 7: Some ufuncs can take output arguments.
True
False
Question 8: ___________ decompose the elements of x into mantissa and twos exponent.
trunc
fmod
frexp
ldexp
Question 9: Which of the following function take only single value as input?
iscomplex
minimum
fmin
all of the mentioned
Question 10: The array object returned by __array_prepare__ is passed to the ufunc for computation.
True
False

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