A square matrix is a matrix with the same number of rows and columns. An n-by-n matrix is known as a square matrix of order n. Any two square matrices of the same order can be added and multiplied. The entries aii form the main diagonal of a square matrix.
Encyclopedia of Africa. Author(s): The Berlin Conference of 1884â1885 marked the climax of the European competition for territory in Africa, a process commonly known as the Scramble for Africa.
This was the famous Berlin West African conference (more generally known as the Berlin Conference), held from November 1884 to February 1885. The conference produced a treaty known as the Berlin Act, with provisions to guide the conduct of the European inter-imperialist competition in Africa.