Linear algebra matrices multiplication (transpose)

  • Thread starter dmoney123
  • Start date
  • #1
32
1

Homework Statement



We are looking for the matrix A

Homework Equations



(A^transpose)^transpose=A

The Attempt at a Solution



i would start with finding the transpose of the matrix.

-5 0
-8 -7
 

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Answers and Replies

  • #2
35,430
7,290

Homework Statement



We are looking for the matrix A

Homework Equations



(A^transpose)^transpose=A

The Attempt at a Solution



i would start with finding the transpose of the matrix.

-5 0
-8 -7

OK, so
[tex]((2A - I)^T)^T = \begin{bmatrix}-5&0\\-8&-7\end{bmatrix}[/tex]

Now what? Use your relevant equation to simplify the left side.
 
  • #3
32
1
S0 + identity matrix on left side... =

[-4 0] ... then /2= [-2 0]
-8 -6 ...................-4 -3

GOT IT!
 
Last edited:

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