ExamAdept

Which of the following methods is used to reshape a NumPy array?

A:

arr.rearrange(new_shape)

B:

arr.reshape(new_shape)

C:

numpy.resize(arr, new_shape)

D:

numpy.rearrange(arr, new_shape)

Answer: B

The reshape() method in NumPy is used to change the shape of an array.

📖

What is the purpose of the numpy.linspace(start, stop, num) function?

A:

Creates a list of integers from start to stop.

B:

Generates a NumPy array with evenly spaced values from start to stop.

C:

Computes the logarithm of each element in the array.

D:

Rounds the elements of the array to the nearest integer.

Answer: B

The numpy.linspace() function generates a NumPy array with evenly spaced values over a specified range.

📖

How do you find the index of the maximum value in a NumPy array named arr?

A:

np.max_index(arr)

B:

np.argmax(arr)

C:

arr.index(max(arr))

D:

arr.find_max_index()

Answer: B

The argmax() function in NumPy returns the indices of the maximum value in an array.

📖

What does the array.extend(iterable) method do?

A:

Appends the entire array to another array.

B:

Adds elements from an iterable to the end of the array.

C:

Inserts elements from an iterable at a specific index.

D:

Raises a TypeError.

Answer: B

The extend() method in the array module adds elements from an iterable to the end of the array.

📖

What is the purpose of the array.remove(element) method in the array module?

A:

Removes the first occurrence of the specified element from the array.

B:

Removes all occurrences of the specified element from the array.

C:

Removes the element at the specified index.

D:

Raises a ValueError.

Answer: A

The remove() method in the array module removes the first occurrence of the specified element from the array.

📖

Questions for: Arrays