# catch

catch is used in try-catch blocks and is executed when an exception or error occurs in the try block.

## Syntax

catch (errorhandler)

## Inputs

errorhandler
Code to be executed when an error occurs in the try block.
Type: Any expression.

## Example

try
a*2
catch
disp('Error in try block, cannot find variable [a]');
end
Error in try block, cannot find variable [a]