Programming language constructs.
 
  Control flow.
    if          - Conditionally execute statements.
    else        - IF statement condition.
    elseif      - IF statement condition.
    end         - Terminate scope of FOR, WHILE, SWITCH and IF statements.
    for         - Repeat statements a specific number of times.
    while       - Repeat statements an indefinite number of times.
    break       - Terminate execution of WHILE or FOR loop.
    switch      - Switch among several cases based on expression.
    case        - SWITCH statement case.
    otherwise   - Default SWITCH statement case.
    return      - Return to invoking function.
 
  Evaluation and execution.
    eval        - Execute string with MATLAB expression.
    feval       - Execute function specified by string.
    evalin      - Evaluate expression in workspace.
    builtin     - Execute built-in function from overloaded method.
    assignin    - Assign variable in workspace.
    run         - Run script.
 
  Scripts, functions, and variables.
    script      - About MATLAB scripts and M-files.
    function    - Add new function.
    global      - Define global variable.
    mfilename   - Name of currently executing M-file.
    lists       - Comma separated lists.
    exist       - Check if variables or functions are defined.
    isglobal    - True for global variables.
 
  Argument handling.
    nargchk     - Validate number of input 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.
    inputname   - Input argument name.
 
  Message display.
    error       - Display error message and abort function.
    warning     - Display warning message.
    lasterr     - Last error message.
    errortrap   - Skip error during testing.
    disp        - Display an array.
    fprintf     - Display formatted message.
    sprintf     - Write formatted data to a string.
 
  Interactive input.
    input       - Prompt for user input. 
    keyboard    - Invoke keyboard from M-file.
    pause       - Wait for user response.
    uimenu      - Create user interface menu.
    uicontrol   - Create user interface control.