Find the Adjoint of a Matrix

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In linear algebra, the adjugate, classical adjoint, or adjunct of a square matrix is the transpose of its cofactor matrix. The adjugate has sometimes been called the "adjoint", but today the "adjoint" of a matrix normally refers to its corresponding adjoint operator, which is its conjugate transpose.

Steps:

1) Find the cofactor matrix
• The cofactor of the element a_ij is (−1)^(i+j) times the minor of a_ij.
2) Transpose the cofactor matrix

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