Question

What is the meaning of multiple matrices?

Answer 1

In mathematics, matrix multiplication or the matrix product is a binary operation that produces a matrix from two matrices. The definition is motivated by linear equations and linear transformations on vectors, which have numerous applications in applied mathematics, physics, and engineering.

Answer 2

Matrix A
$(1 \: 2 \: 3)$
And Matrix B
$(2 \: 5 \: 9)$
Are known as multiple matrices