Python for Mathematics

What does the following code do?

x = 5

y = 3

z = x + y

• The code assigns the value 3 to the variable x, assigns the value 5 to the variable y, and then adds the values of x and y together and assigns the result to the variable z.
• The code assigns the value 5 to the variable x, assigns the value 3 to the variable y, and then adds the values of x and y together and assigns the result to the variable z.
• The code assigns the value 8 to the variable x, assigns the value 3 to the variable y, and then multiplies the values of x and y together and assigns the result to the variable z.
• The code assigns the value 5 to the variable x, assigns the value 3 to the variable y, and then subtracts the value of y from x and assigns the result to the variable z.

Which Python library is commonly used for mathematical operations like linear algebra and calculus?

• NumPy
• Matplotlib
• Pandas
• SciPy

What does the following NumPy code do?

import numpy as np

a = np.array([1, 2, 3, 4, 5])

b = a + 2

• The code multiplies each element of the array 'a' by 2.
• The code adds 2 to each element of the array 'a'.
• The code subtracts 2 from each element of the array 'a'.
• The code creates a new array 'b' with elements from 'a'.

Which of the following SciPy functions is used for numerical integration?

• scipy.integrate.quad
• scipy.integrate.odeint
• scipy.integrate.trapz
• scipy.integrate.simps

How can you load data from a CSV file into a Pandas DataFrame in Google Colab?

• Use the pd.read_csv('file_path') function to load data from a CSV file into a Pandas DataFrame in Google Colab

• Manually type the data into a DataFrame.

• There is no way to load data from CSV files in Google Colab.

• Use the np.load('file_path') function.

Which type of plot is typically used to visualize categorical data?

• scatter plot
• line plot
• bar plot
• histogram

What type of plot is commonly used to visualize the distribution of numerical data?

• histogram
• line plot
• bar graph
• scatter plot

What will be the value of result in the following code?

x = 5

y = 3

result = x % y

• 1
• 0
• 3
• 2

What function from the SciPy library is used for solving ordinary differential equations (ODEs)?

• scipy.integrate.odeint
• scipy.integrate.odeintegrate
• scipy.integrate.solve
• scipy.integrate.ode

How can you access the first 5 rows of a Pandas DataFrame called df?

• df.first(5)

• df[0:5]
• df.head()

• df.iloc[0:5]