¹⁷See ‘TwoDimensionalArray’ on page 1342 for more information about arrays. For more information about FriCAS’s linear algebra facilities, see ‘Matrix’ on page 1113, ‘Permanent’ on page 1182, ‘SquareMatrix’ on page 1297, ‘Vector’ on page 1369, Section 8.4 on page 515 (computation of eigenvalues and eigenvectors) , and Section 8.5 on page 521 (solution of linear and polynomial equations) .