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 Conference met at Berlin from November 1884 through Februart 1885 and resulted in the following agreement--The Berlin Act of 1885. It was attended by representatives of Great Britain, Austria-Hungary, France, Germany, Russia, U.S.A., Portugal, Denmark, Spain, Italy, the Netherlands, Sweden, Belgium and Turkey.