Matlab Fundamentals
Workshop Overview
MATLAB is an integrated technical computing environment from the MathWorks that combines array-based numeric computation, advanced graphics and visualization, and a high-level programming language. Separately licensed toolboxes provide additional domain-specific functionality.
Participants must have a Mathworks account in order to access the links to the online tutorials in this document.
Matlab Academy:Fundamentals of Matlab
<a href=“https://matlabacademy.mathworks.com/R2019b/portal.html?course=mlbe&s_tid=sched_leaf_spot#chapter=1&lesson=1§ion=1"target="_blank">Video: Fundamentals of Matlab
<a href=“https://matlabacademy.mathworks.com/artifacts/quick-reference.html?course=mlbe&release=R2019a&language=en"target="_blank">Quick Reference Guide (used for presentation)
Getting Started
Entering Commands
Exercise: Valid Variable Names and Cleaning Up
Exercise: Change Output Display
Getting Data into Matlab
<a href=“https://matlabacademy.mathworks.com/R2019b/portal.html?course=mlbe&s_tid=sched_leaf_spot#chapter=1&lesson=3§ion=2"target="_blank">Video: Import Tool
Exercise: Using the Variable Editor
Exercise: Saving Modifications
Obtaing Help
<a href=“https://matlabacademy.mathworks.com/R2019b/portal.html?course=mlbe&s_tid=sched_leaf_spot#chapter=1&lesson=4§ion=2"target="_blank">Video: Using MATLAB’s Documentation
Exercise: Open and Use Function Documentation
Plotting and Common Modifications
Plotting
Exercise: Plotting Gasoline Prices
Annotating Plots
Exercise: Axis Labels and Title
Exercise: More Plot Annotation Options
Axis Control
Exercise: Modify Axis Properties
Exercise: Modify Gasoline Price Plot Axes
Working with Live scripts
Create and Run a Script
Exercise: Modifying and Running Scripts
Code Sections
Exercise: International Gasoline Prices
Comments and Text
Exercise: International Gasoline Prices
Creating and Manipulating Arrays
Manually Entering Arrays
Creating Evenly-Spaced Vectors
Exercise: Use Colon Operator and Linspace
Concatenating Arrays
Exercise: Concatenating Arrays
Exercise: Creating and Concatenating Arrays
Array Creation Functions
Exercise: Creating Arrays of Random Numbers
Reshaping Arrays
Exercise: Overall Average Electricity Revenue
Accessing Data in Arrays
Indexing into Vectors
Exercise: Accessing and Modifying Vector Values
Exercise: Index Using Variables and Keywords
Accessing Multiple Elements
Exercise: Modify Multiple Elements
Accessing Data in Matrices
Exercise: Extract a Single Element
Exercise: Matrix Indexing with Vectors
Exercise: Extract Multiple Elements
Mathematical and Statistical Operations with Arrays
Performing Operations on Arrays
Exercise: Basic Array Arithmetic & Functionss
Video: Element-wise vs. Matrix Operations
Exercise: Element-wise Arithmetic
Exercise: Operating on Compatibly-Sized Arrays
Matrix Multiplication
Exercise: Extract Multiple Elements
Calculating Statistics of Vectors
Exercise: Average Gasoline Prices
Using Statistical Operations on Matrices
Exercise: Descriptive Statistics
Exercise: Statistics for Each Row
Visualizing Data in 2D and 3D
Identifying Available Vector Plot Types
Exercise: stairs, stem, and area
Exercise: Gasoline Prices Scatter Plot
Creating Arrays of Text
Exercise: Creating Character Arrays
Exercise: Creating Multiline Annotations
Customizing Plot Properties
Exercise: Customizing Plot Properties
Plotting Multiple Columns
Exercise: Plotting Matrix Columns
Exercise: Plotting Matrix Columns Against a Vector
Visualizing Matrices
Exercise: Surface, Mesh, and Contour
Exercise: Visualize Electricity Data
Conditional Data Selection
Logical Operations and Variables
Exercise: Logical Operations with Arrays
Exercise: Finding Winning Team Records
Counting Elements
Exercise: Count true Values in a Logical Vector
Exercise: Identify Locations of true Values
Logical Indexing
Exercise: Selecting Teams with Winning Home Record
Tables of Data
Storing Data in a Table
Exercise: Create a Table from Workspace Variables
Sorting Table Data
Extracting Portions of a Table
Exercise: Variable Name Indexing
Extracting Data from a Table
Exercise: Indexing with Dot Notation
Exercise: Indexing with Curly Braces
Exporting Tables
Organizing Data
Combining Tables
Exercise: Concatenating Tables
Table Properties
Exercise: Accessing Table Properties
Indexing into Cell Arrays
Exercise: Indexing Into Cell Arrays
Exercise: Extract Multiple Elements
Working with Dates and Times
Video: Data Types for Dates and Times
Exercise: Applying Functions to Datetimes
Operating on Dates and Times
Exercise: Operating on Dates and Times
Exercise: Working with Durations
Representing Discrete Categories
Exercise: Converting to and Operating on Categoricals
Exercise: Category Names and Ordinals
Preprocessing Data
Normalizing Data
Exercise: Calculate Average Daily Electricity Usage
Working with Missing Data
Exercise: Ignoring NaNs in calculations
Exercise: Locating Missing Data
Exercise: Removing Rows with Missing Data
Interpolating Missing Data
Exercise: Filling Missing Values
Exercise: Interpolating Irregularly-Spaced Data
Common Data Analysis Techniques
Moving Window Operations
Exercise: Smoothing Electricity Data
Linear Correlation
Exercise: Plotting Electricity Usage
Exercise: Correlations in Electricity Usage
Polynomial Fitting
Exercise: Fit a Polynomial to Electricity Usage
Programming Constructs
User Interaction
Decision Branching
Exercise: Using if-elseif-else
Determining Size
Exercise: Using size and numel
For Loops
Exercise: Looping Through a Vector
Exercise: Finding the Fibonacci Sequence
While Loops
Increasing Automation with Functions
Creating and Calling Functions
Exercise: Create and Call a Function
Exercise: Electricity Usage Analysis Function
Function Files
Exercise: Compare Using a Tolerance
Function Workspaces
MATLAB Path and Calling Precedence
Exercise: MATLAB Calling Precedence
Troubleshooting Code
Code Analyzer
Exercise: Remove Code Analyzer Warnings
Debugging Run-Time Errors
Quiz: Matrix Indexing with Vectors