e/In-place matrix transposition

Information
has gloss	eng: In-place matrix transposition, also called in-situ matrix transposition, is the problem of transposing an N×M matrix in-place in computer memory: ideally with O(1) (bounded) additional storage, or at most with additional storage much less than NM. Typically, the matrix is assumed to be stored in row-major order or column-major order (i.e., contiguous rows or columns, respectively, arranged consecutively).
lexicalization	eng: In-place matrix transposition
instance of	(noun) act of changing the lineal order of objects in a group permutation