output - Query current output of a System object - MATLAB (original) (raw)

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Query current output of a System object

Syntax

Description

[[y1, y2 ..., yn](#mw%5F40360eef-57af-4266-85fc-f30c93e2ca20)] = output([obj](#mw%5F0ba55389-2fe8-4327-8de3-4d4bfc402e51)) queries the current output of a System object™.

example

Examples

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Call output to check the current output of a System object.

Consider a System object object defined as,

classdef UnitDelayNondirect < matlab.System % UnitDelayNondirect Delay input by one time step

properties(DiscreteState) State end

methods(Access = protected)
    function resetImpl(obj)
        obj.State = 0; % Initialize states
    end
    function y = outputImpl(obj, ~)
        y = obj.State; % Output current state

    end
    function updateImpl(obj,u)
        obj.State = u; % Update state with input
    end
end

end

Create an instance of the System object and provide it with an input.

a = UnitDelayNondirect(); out = a(1);

Call output to check the output of the System object.

Input Arguments

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System object handle used to access properties, states, and methods specific to the object.

Output Arguments

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Current outputs calculated from the specified algorithm. The number of outputs must match the number of outputs returned by the getNumOutputs method.

Version History

Introduced in R2012a