The first use of matrices to solve equation was back in 300 BC in a Chinese book called Nine Chapters of Mathematical Art by Chiu Chang Suan Shu.
They did not use the name matrix. The use of that word came much later and is credited to James Sylvester in 1850.
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Vector matrix has both size and direction. There are different types of matrix namely the scalar matrix, the symmetric matrix, the square matrix and the column matrix.
No. A matrix polynomial is an algebraic expression in which the variable is a matrix. A polynomial matrix is a matrix in which each element is a polynomial.
It is the matrix 1/3It is the matrix 1/3It is the matrix 1/3It is the matrix 1/3
That is called an inverse matrix
The null matrix is also called the zero matrix. It is a matrix with 0 in all its entries.