An example use of a block diagonal matrix is when you apply decomposition to model decentralized planning. Each of the independent subsystems can be represented as a matrix on the diagonal... On Jul 6, 2004, at 6:51 AM, Deane Yang wrote:
Michael Stevens wrote:
This is very odd. In linear algebra there is no such thing as a matrix of matrices.
Yes, there is. It's a linear transformation mapping a space of matrices to another space of matrices.
But could Jeremy or David provide some examples of useful applications of such an object? They are immensely useful in pure mathematics; I would love to know how they arise in more practical areas.
Deane
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