lumos.functions.inv_3

lumos.functions.inv_3(a11, a12, a13, a21, a22, a23, a31, a32, a33)

Calculates inverse of 3x3 matrix. Matrix components can be of type np.ndarray or float.

Returns \(\begin{pmatrix} a_{11} & a_{12} & a_{13} \\ a_{21} & a_{22} & a_{23} \\ a_{31} & a_{32} & a_{33} \end{pmatrix}^{-1}\)