Control Flow

• if, elseif, else Execute statements if condition is true
• for for loop to repeat specified number of times
• parfor Parallel for loop
• switch, case, otherwise Execute one of several groups of statements
• try, catch Execute statements and catch resulting errors
• while while loop to repeat when condition is true
• break Terminate execution of for or while loop
• continue Pass control to next iteration of for or while loop
• end Terminate block of code, or indicate last array index
• pause Stop MATLAB execution temporarily
• return Return control to invoking function

Scripts

• edit Edit or create file
• input Request user input
• publish Generate view of MATLAB file in specified format
• grabcode Extract MATLAB code from file published to HTML
• snapnow Force snapshot of image for inclusion in published document

Functions

Function Basics

• function Declare function name, inputs, and outputs

Input and Output Arguments

• nargin Number of function input arguments
• nargout Number of function output arguments
• varargin Variable-length input argument list
• varargout Variable-length output argument list
• narginchk Validate number of input arguments
• nargoutchk Validate number of output arguments
• validateattributes Check validity of array
• validatestring Check validity of text
• inputParser Input parser for functions
• inputname Variable name of function input
• mfilename File name of currently running code

Variables

• isvarname Determine if input is valid variable name
• matlab.lang.makeUniqueStrings Construct unique strings from input strings
• matlab.lang.makeValidName Construct valid MATLAB identifiers from input strings
• namelengthmax Maximum identifier length
• persistent Define persistent variable
• assignin Assign value to variable in specified workspace
• global Declare variables as global
• mlock Prevent clearing function or script from memory
• munlock Allow clearing function or script from memory
• mislocked Determine if function or script is locked in memory

Error Handling

• try, catch Execute statements and catch resulting errors
• error Throw error and display message
• warning Display warning message
• lastwarn Last warning message
• assert Throw error if condition false
• onCleanup Cleanup tasks upon function completion

Files and Folders

Search Path

• addpath Add folders to search path
• rmpath Remove folders from search path
• path View or change search path
• savepath Save current search path
• userpath View or change default user work folder
• genpath Generate path name
• pathsep Search path separator for current platform
• pathtool Open Set Path dialog box to view and change search path
• restoredefaultpath Restore search path to factory-installed state
• rehash Refresh function and file system path caches

File Operations

• dir List folder contents
• ls List folder contents
• pwd Identify current folder
• fileattrib Set or get attributes of file or folder
• exist Check existence of variable, script, function, folder, or class
• isfile Determine if input is file
• isfolder Determine if input is folder
• type Display contents of file
• visdiff Compare two files or folders
• what List MATLAB files in folder
• which Locate functions and files
• cd Change current folder
• copyfile Copy file or folder
• delete Delete files or objects
• recycle Set option to move deleted files to recycle folder
• mkdir Make new folder
• movefile Move file or folder
• rmdir Remove folder
• open Open file in appropriate application
• winopen Open file in appropriate application (Windows)

File Compression

• zip Compress files into zip file
• unzip Extract contents of zip file
• gzip Compress files into GNU zip files
• gunzip Extract contents of GNU zip file
• tar Compress files into tar file
• untar Extract contents of tar file

File Name Construction

• fileparts Get parts of file name
• fullfile Build full file name from parts
• filemarker Character to separate file name from local or nested function name
• filesep File separator for current platform
• tempdir Name of temporary folder for the system
• tempname Unique name for temporary file
• matlabroot MATLAB root folder
• toolboxdir Root folder for specified toolbox

Debugging

• dbclear Remove breakpoints
• dbcont Resume execution
• dbdown Reverse dbup workspace shift
• dbquit Quit debug mode
• dbstack Function call stack
• dbstatus List all breakpoints
• dbstep Execute next executable line from current breakpoint
• dbstop Set breakpoints for debugging
• dbtype Display file with line numbers
• dbup Shift current workspace to workspace of caller in debug mode
• keyboard Input from keyboard
• echo Display statements during function execution

Code Editor

• edit Edit or create file

Code Analysis and Execution

• codeCompatibilityReport Create code compatibility report
• analyzeCodeCompatibility Create code compatibility analysis results
• checkcode Check MATLAB code files for possible problems
• mlintrpt Run checkcode for file or folder
• assert Throw error if condition false
• runtests Run set of tests
• testsuite Create suite of tests
• pcode Create protected function file
• eval Execute MATLAB expression in text
• evalc Evaluate MATLAB expression with capture
• evalin Execute MATLAB expression in specified workspace
• feval Evaluate function
• run Run MATLAB script
• builtin Execute built-in function from overloaded method
• timer Create object to schedule execution of MATLAB commands