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.
Note: Berlin Conference was not summoned by Cancelor Otto Von John Bismarck to divide Africa Continent, but to avert the danger of the explosion of war and to dissolve all problems arising from the scramble and partition of Africa.