KronSum:

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   Compute the Kronecker sum.

   Since version 2.
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   Form:
   c = KronSum( a, b )
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   ------
   Inputs
   ------
   a             (n,n)  Matrix
   b             (m,m)  Matrix

   -------
   Outputs
   -------
   c             (nm,nm) Kronecter Sum

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	References:	  Zhou, K., et. a. Robust and Optimal Control, Prenctice-Hall
                 1996, p. 25.
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Children:

Common: Control/KronProd