13 Questions
What is the term for a 0-D array in NumPy?
Scalars
How can the number of dimensions in a NumPy array be checked?
Using the ndim attribute
What method in NumPy is used to check the data type of an array?
dtype()
Which character represents unsigned integers in NumPy?
u
Which method in NumPy is used to change the data type of an existing array?
astype()
When changing the data type of an existing array in NumPy, what is the recommended method to use?
.astype()
How does iterating work on a 1-D NumPy array?
It goes through each element one by one
How can high dimensionality arrays be iterated through without using multiple nested for loops in NumPy?
By utilizing nditer() function with buffering
What is the purpose of the op_dtypes argument when iterating through a NumPy array?
To change the datatype of elements while iterating
In NumPy, what is the significance of passing flags=['buffered'] to the nditer() function?
It enables efficient memory management for datatype conversion
What is the main difference between pseudo random numbers and true random numbers?
True random numbers are generated through keystrokes, mouse movements, or network data, while pseudo random numbers are generated using algorithms.
In NumPy, what method can be used to generate a random float between 0 and 1?
rand()
What is the significance of passing a 'size' parameter to the randint() method in NumPy?
To determine the shape of the resulting array
Test your knowledge on creating NumPy ndarray objects. Learn how to use the array() function to create arrays in NumPy, including passing lists, tuples, or array-like objects. Explore the concept of dimensions in arrays and understand 0-D arrays.
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