In mathematics, a matrix is a rectangular array of numbers, expressions or symbols. The individual items in a matrix are known its elements or entries. There are various applications of matrices in most scientific fields. In physics, matrices are generally used to study optics, electrical circuits and quantum mechanics. In computer graphics, matrices are mostly used to project a 3-dim... https://www.expertsmind.com/math/matrix-algebra-types-of-matrices-assignment-help.aspx