plot() function basics in MATLAB - Mini Project: Build & Apply

plot() function basics

📖 Scenario: You are working with simple data points representing daily temperatures over a week. You want to visualize these temperatures to see how they change day by day.

🎯 Goal: Build a basic line plot using MATLAB's plot() function to display temperature changes over 7 days.

📋 What You'll Learn

Create a vector with exact temperature values for 7 days

Create a vector for days numbered 1 to 7

Use plot() to plot days on the x-axis and temperatures on the y-axis

Label the x-axis as 'Day' and y-axis as 'Temperature (°C)'

Add a title 'Daily Temperatures Over a Week'

💡 Why This Matters

🌍 Real World

Plotting temperature changes helps meteorologists and farmers understand weather patterns and plan accordingly.

💼 Career

Data visualization is a key skill for data scientists and analysts to communicate insights clearly.

1

Create temperature data vector

Create a vector called temperatures with these exact values: [22, 24, 19, 23, 25, 20, 21].

MATLAB

# Your code here

Need a hint?

Use square brackets [] to create a vector with the given numbers separated by commas.

2

Create days vector

Create a vector called days with values from 1 to 7 representing each day.

MATLAB

temperatures = [22, 24, 19, 23, 25, 20, 21];
# Your code here

Need a hint?

Use the colon operator 1:7 to create a vector from 1 to 7.

3

Plot the data using plot()

Use the plot() function with days as x-values and temperatures as y-values to create a line plot.

MATLAB

temperatures = [22, 24, 19, 23, 25, 20, 21];
days = 1:7;
# Your code here

Need a hint?

Call plot() with two arguments: days and temperatures.

4

Add labels and title to the plot

Add x-axis label 'Day', y-axis label 'Temperature (°C)', and title 'Daily Temperatures Over a Week' using xlabel(), ylabel(), and title() functions.

MATLAB

temperatures = [22, 24, 19, 23, 25, 20, 21];
days = 1:7;
plot(days, temperatures);
# Your code here

Need a hint?

Use xlabel(), ylabel(), and title() functions with the exact text strings.