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Programming Utilities

Evaluate expressions or functions indirectly, set timers, handle exceptions

MATLAB® includes functionality to indirectly evaluate expressions, set timers for program execution, and capture data on errors.


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evalEvaluate MATLAB expression
evalcEvaluate MATLAB expression and capture results
evalinEvaluate MATLAB expression in specified workspace
fevalEvaluate function
runRun MATLAB script
builtinExecute built-in function from overloaded method
timerSchedule execution of MATLAB commands
deleteDelete files or objects
getQuery graphics object properties
isvalidDetermine valid handles
setSet graphics object properties
startStart timer
startatSchedule timer to fire at specified time
stopStop timer
timerfindFind timer objects
timerfindallFind all timer objects
waitBlock command prompt until timer stops running
try, catchExecute statements and catch resulting errors
MExceptionCapture error information
addCauseRecord additional causes of exception
addCorrectionProvide suggested fix for exception
getReportGet error message for exception
MException.lastReturn last uncaught exception
rethrowRethrow previously caught exception
throwThrow exception
throwAsCallerThrow exception as if occurs within calling function
matlab.lang.correction.AppendArgumentsCorrectionCorrect error by appending missing input arguments
matlab.lang.correction.ConvertToFunctionNotationCorrectionCorrect error by converting to function notation
matlab.lang.correction.ReplaceIdentifierCorrectionCorrect error by replacing identifier in function call
parfevalOnAllRun function on all workers in background
parallel.pool.ConstantCopy or create data only once on workers in parallel pool
canUseGPUVerify supported GPU is available for computation
canUseParallelPoolVerify that parallel functions can use a parallel pool