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.
The 1885 Conference of Berlin declared the area that later became Rwanda and Burundi would be under German influence and control. It was 9 years after this conference that the first European traveled into Rwanda. This was the German Count von Goetzen gÃ¶tzen who later became the governor Of German East. africa