Arun posted an Question
January 10, 2021 • 04:04 am 30 points
  • IIT JAM
  • Physics (PH)

What do you mean by trace of a projection in matrices

what do you mean by trace of a projection in matrices

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    Nitin meel

    The trace of a projection matrix is the dimension of the target space

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    If A is an n×n matrix over C such that A²=A then trace⁡A=rank⁡A

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    target space can you please throw some light on it

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