MATLAB Programming Fundamentals - MathWorks

pause(2) disp ' Restoring the path' rmpath(newpath); end end Run the function as shown here. You can verify that the path has be ...

Run the modified function to see the output of the functions command and the contents of one of the workspace cells: showImageOu ...

function cleanupByFunc obj = onCleanup(@()... disp(' Executing cleanup tasks')); pause(10); onCleanup in Scripts onCleanup does ...

Issue Warnings and Errors In this section... “Issue Warnings” on page 26-30 “Throw Errors” on page 26-30 “Add Run-Time Parameter ...

function com = combinations(n,k) if k > n error('Cannot calculate with given values') end com = factorial(n)/(factorial(k)*fa ...

If this function receives invalid arguments, MATLAB throws an error message and stops the program: combinations(6,9) Error using ...

More About “Message Identifiers” on page 26-8 See Also ...

Suppress Warnings Your program might issue warnings that do not always adversely affect execution. To avoid confusion, you can h ...

Using the lastwarn function, you can retrieve the last warning message, regardless of its display state: lastwarn ans = "foldert ...

warning('query','all') warning To enable all warnings and verify the state: warning('on','all') warning('query','all') All warni ...

Restore Warnings MATLAB allows you to save the on-off warning states, modify warning states, and restore the original warning st ...

warning The default warning state is 'on'. Warnings not set to the default are State Warning Identifier off Control:parameterNot ...

NoteWhen temporarily disabling multiple warnings, using methods related to onCleanup might be advantageous. Alternatively, you c ...

Change How Warnings Display You can control how warnings appear in MATLAB by modifying two warning modes, verbose and backtrace. ...

the file name and line number where the warning occurred. For example, you can enable backtrace and disable verbose: warning on ...

Use try/catch to Handle Errors You can use a try/catch statement to execute code after your program encounters an error. try/cat ...

C1 = robust_combine(8,4) C2 = robust_combine(4,8) C1 = 70 C2 = 70 Optionally, you can capture more information about errors if a ...

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Program Scheduling “Schedule Command Execution Using Timer” on page 27-2 “Timer Callback Functions” on page 27-5 “Handling Time ...

Schedule Command Execution Using Timer In this section... “Overview” on page 27-2 “Example: Displaying a Message” on page 27-3 O ...