Umme posted an Question
December 02, 2020 • 14:21 pm 30 points
  • IIT JAM
  • Physics (PH)

Q.32. the trace of the real 4 x 4 matrix u = exp(a), where 0 0 tt/4 0-tt/4 0 0 0 0 0 0 t/4 0 -7t/4 0 a= 0 [tifr mp 2011] 1s equal to

Q.32. The trace of the real 4 x 4 matrix U = exp(A), where 0 0 Tt/4 0-Tt/4 0 0 0 0 0 0 T/4 0 -7T/4 0 A= 0 [TIFR MP 2011] 1S equal to

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    Ruby negi best-answer

    first find the eigen values of matrix M then use the diagonalisation equation i.e M=PDP(inverse).. were D is the diagonal matrix of eigen values of M then expM=P expD P(inverse) , don't solve this equation, just write then the trace of exp(D) is the trace of expM

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