Universal functions (ufuncs) in NumPy - Mini Project: Build & Apply

Using NumPy Universal Functions (ufuncs) for Array Operations

📖 Scenario: Imagine you are analyzing daily temperatures recorded over a week in Celsius. You want to quickly convert these temperatures to Fahrenheit and also find the square root of each temperature value to explore some mathematical transformations.

🎯 Goal: Build a small program that uses NumPy universal functions (ufuncs) to convert a list of temperatures from Celsius to Fahrenheit and calculate the square root of each temperature.

📋 What You'll Learn

Create a NumPy array called temps_celsius with the exact values: 0, 10, 20, 30, 40, 50, 60

Create a variable called temps_fahrenheit that converts temps_celsius to Fahrenheit using a NumPy ufunc

Create a variable called temps_sqrt that contains the square root of each temperature in temps_celsius using a NumPy ufunc

Print both temps_fahrenheit and temps_sqrt arrays

💡 Why This Matters

🌍 Real World

Scientists and engineers often use NumPy ufuncs to quickly apply mathematical operations to large datasets, such as temperature readings, sensor data, or financial numbers.

💼 Career

Understanding and using NumPy ufuncs is essential for data scientists and analysts to efficiently process and analyze numerical data in Python.

1

Create the NumPy array of temperatures in Celsius

Import NumPy as np and create a NumPy array called temps_celsius with these exact values: 0, 10, 20, 30, 40, 50, 60

NumPy

import numpy as np
# Create the temps_celsius array with values 0, 10, 20, 30, 40, 50, 60
# Your code here

Need a hint?

Use np.array([...]) to create the array with the exact temperature values.

2

Convert Celsius to Fahrenheit using a NumPy ufunc

Create a variable called temps_fahrenheit that converts temps_celsius to Fahrenheit using the formula (temps_celsius * 9/5) + 32 with NumPy operations

NumPy

import numpy as np

temps_celsius = np.array([0, 10, 20, 30, 40, 50, 60])
# Convert temps_celsius to Fahrenheit using NumPy ufuncs
# Your code here

Need a hint?

Use element-wise operations on the NumPy array to convert Celsius to Fahrenheit.

3

Calculate the square root of each Celsius temperature using a NumPy ufunc

Create a variable called temps_sqrt that contains the square root of each value in temps_celsius using the NumPy np.sqrt() universal function

NumPy

import numpy as np

temps_celsius = np.array([0, 10, 20, 30, 40, 50, 60])
temps_fahrenheit = (temps_celsius * 9 / 5) + 32
# Calculate the square root of temps_celsius using np.sqrt
# Your code here

Need a hint?

Use np.sqrt() to get the square root of each element in the array.

4

Print the Fahrenheit and square root arrays

Print the variables temps_fahrenheit and temps_sqrt each on its own line

NumPy

import numpy as np

temps_celsius = np.array([0, 10, 20, 30, 40, 50, 60])
temps_fahrenheit = (temps_celsius * 9 / 5) + 32
temps_sqrt = np.sqrt(temps_celsius)
# Print temps_fahrenheit and temps_sqrt
# Your code here

Need a hint?

Use two print() statements to display the arrays.