NumPy MCQ
1 .
NumPY stands for?

Correct Answer : Option (A) :   Numerical Python

Explanation : NumPy, which stands for Numerical Python, is a library consisting of multidimensional array objects

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2 .
Numpy developed by?

Correct Answer : Option (C) :   Travis Oliphant

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3 .
Which of the following Numpy operation are correct?

Correct Answer : Option (D) :   All of the above

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4 .
NumPy is often used along with packages like?

Correct Answer : Option (D) :   Both B and C

Explanation : NumPy is often used along with packages like SciPy (Scientific Python) and Matplotlib (plotting library)

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5 .
Which of the following is contained in NumPy library?

Correct Answer : Option (D) :   All of the mentioned

Explanation : NumPy is the fundamental package for scientific computing with Python.

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6 .
Which of the following function can be used to combine different vectors so as to obtain the result for each n-uplet?

Correct Answer : Option (B) :   ix_

Explanation : Length of the 1D boolean array must coincide with the length of the dimension (or axis) you want to slice.

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7 .
Which of the following sets the size of the buffer used in ufuncs?

Correct Answer : Option (C) :   setbufsize(size)

Explanation : Adjusting the size of the buffer may therefore alter the speed at which ufunc calculations of various sorts are completed.

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8 .
Which of the following attribute should be used while checking for type combination input and output?

Correct Answer : Option (A) :   .types

Explanation : Universal functions in NumPy are flexible enough to have mixed type signatures.

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9 .
Which of the following function stacks 1D arrays as columns into a 2D array?

Correct Answer : Option (A) :   column_stack

Explanation : column_stack is equivalent to vstack only for 1D arrays.

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10 .
The ________ function returns its argument with a modified shape, whereas the ________ method modifies the array itself.

Correct Answer : Option (B) :   reshape, resize

Explanation : If a dimension is given as -1 in a reshaping operation, the other dimensions are automatically calculated.

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