👉 Unintercalated, also known as a strict unimodular matrix or an irreducible unimodular matrix, is a type of permutation matrix that has all its elements equal to 1. It is denoted by Pn and defined as: Pn = | | | | 1 | 0| | 0 | 1| This means that each element in the matrix represents the number of ones in its corresponding position, with the sum of these numbers