MATLAB Programming

12
Programming Tips
Command and Function Syntax ..................... 12-3
Syntax Help ...................................... 12-3
Command and Function Syntaxes .................... 12-3
Command Line Continuation ........................ 12-3
Completing Commands Using the Tab Key ............. 12-4
Recalling Commands .............................. 12-4
Clearing Commands ............................... 12-5
Suppressing Output to the Screen .................... 12-5
Help .............................................. 12-6
Using the Help Browser ............................ 12-6
Help on Functions from the Help Browser ............. 12-7
Help on Functions from the Command Window ......... 12-7
Topical Help ...................................... 12-7
Paged Output ..................................... 12-8
Writing Your Own Help ............................ 12-9
Help for Subfunctions and Private Functions ........... 12-9
Help for Methods and Overloaded Functions ........... 12-9
Development Environment ......................... 12-11
Workspace Browser ................................ 12-11
Using the Find and Replace Utility ................... 12-11
Commenting Out a Block of Code .................... 12-12
Creating M-Files from Command History .............. 12-12
Editing M-Files in EMACS .......................... 12-12
M-File Functions .................................. 12-13
M-File Structure .................................. 12-13
Using Lowercase for Function Names ................. 12-13
Getting a Function’s Name and Path .................. 12-14
What M-Files Does a Function Use? .................. 12-14
Dependent Functions, Built-Ins, Classes ............... 12-15
Function Arguments ............................... 12-16
Getting the Input and Output Arguments ............. 12-16
Variable Numbers of Arguments ..................... 12-16
String or Numeric Arguments ....................... 12-17
Passing Arguments in a Structure .................... 12-17
xx
Contents