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3x3 matrix determinant, adjoint matrix, inverse matrix online calculator

Inverse matrix: Let A be an n-th order square matrix on the number field. If there is another n-order matrix B on the same number field, let: AB=BA=E. Then we call B the inverse matrix of A, and A is called the invertible matrix.

In linear algebra, the adjoint matrix of a square matrix is a concept similar to the inverse matrix. If the matrix is invertible, then there is only one coefficient difference between its inverse matrix and its adjoint matrix. However, the adjoint matrix also defines an irreversible matrix and does not require division.

Determinant in mathematics is an equation produced by solving linear equations. The determinant's characteristics can be generalized as a multiple alternating linear form, which makes the determinant a function of describing "volume" in Euclidean space.


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