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According to wikipedia, they are equivalent. Is this correct?

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  • \$\begingroup\$ The wikipedia page does not even claim that all three are the same thing \$\endgroup\$ – PlasmaHH Oct 25 '17 at 9:17
  • \$\begingroup\$ Are they same thing or not? \$\endgroup\$ – j.doe Oct 25 '17 at 9:20
  • \$\begingroup\$ See: electronics.stackexchange.com/a/93064 \$\endgroup\$ – jonk Oct 25 '17 at 9:38
  • \$\begingroup\$ So, if a system is given impulse as input, then natural response would be its output? \$\endgroup\$ – j.doe Oct 25 '17 at 9:55
  • \$\begingroup\$ No. Your question just means you misunderstood the link discussion. \$\endgroup\$ – jonk Oct 25 '17 at 10:02
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Natural response is the zero input response (i.e. response to initial conditions).

Impulse response is (unsurprisingly) the response to a unit impulse - the Laplace Transform of a unit impulse response is the transfer function.

Transient response is a generic term that applies to any time-domain component of a response that decays to a steady state value.

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