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Reset Algorithm State

This example shows how to reset an object state.

Reset Counter to Zero

pCount is an internal counter property of the System object™ obj. The user calls the reset method, which calls the resetImpl method. In this example , pCount resets to 0.

    Note:   When resetting an object's state, make sure you reset the size, complexity, and data type correctly.

methods (Access = protected)
   function resetImpl(obj)
      obj.pCount = 0; 
   end
end 

Complete Class Definition File with State Reset

classdef Counter < matlab.System
% Counter System object that increments a counter

   properties (Access = private)
      pCount
   end
   
   methods (Access = protected)
      % In step, increment the counter and return 
      % its value as an output
      function c = stepImpl(obj)
          obj.pCount = obj.pCount + 1;
          c = obj.pCount;
      end

      % Reset the counter to zero.
      function resetImpl(obj)
         obj.pCount = 0; 
      end
   end 
end

See Methods Timing for more information.

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