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  1. In my previous question, based on the information I have so far, my understanding about a system is that a system transforms an input function to an output function.

    So I think all the things involved in the transformation, except input and output, are the parameters of the system. Am I right?

  2. But there is another concept, the state of the system, which is neither input nor output. So I wonder if the state of the system is also part of the parameters of the system?

    If yes, what distinguishes state parameters and non-state parameters of the system?

Thanks and regards!

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    The term parameter is used loosely. The state typically encapsulates all past history. In my experience, the term parameter is typically used to describe something like a design or environmental parameter which remains fixed, or is 'slowly varying'. But there is no law dictating what is or is not called a parameter.2012-05-09

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