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A linear theory?

  1. Mar 17, 2008 #1
    How can we know a theory is linear. That is to say, if we want to prove that a theory is linear, what is the key points or the key parts that we need prove.
    Thank you!
  2. jcsd
  3. Mar 18, 2008 #2


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    usually this means that the differential equation(s) that make up the theory are linear differential equations. E.g., the schrodinger equation.
  4. Mar 19, 2008 #3
    Thank you!
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