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Causal system

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In control theory, a causal system (also known as a physical or nonanticipative system) is a system where the output depends on past and

From Wikipedia, the free encyclopedia In control theory, a causal system (also known as a physical or nonanticipative system) is a system where the output depends on past and current inputs but not future inputs—i.e., the output depends only on the input for values of . The idea that the output of a function at any time depends only on past and present values of input is defined by the property commonly referred to as causality. A system that has some dependence on input values from the future (in addition to possible dependence on past or current input values) is termed a non-causal or…

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