Installation guide

6 Editing and Debugging M-Files

Message Identifier dialog box. An example of an error m essage identifier

MATLAB:UndefinedFunction. Similarly, to obtain a warning message

identifier, produce the warning and then run

[m,id] = lastwarn; MATLAB

returns the last warning identifier to

id. An e xample of a warning message

identifier is

MATLAB:divideByZero.

Function Alternative for Error Breakpoints

The function equivalent for each option appears in the Stop if

Errors/Warnings for All Files dialog box. For example, the function

equivalent for Always stop if error is

dbstop if error.Usethedbstop

function with appropriate argumen ts to set error breakpoints from the

Command Window, and use

dbclear to clear them. Use dbstatus to view the

error b reakpoints currently set. Error breakpoints are listed in the

cond field

and message identifiers for breakpoints are liste d in the

identifier field of

the

dbstatus output.

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