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Answer: A collection of numbers lined up in rows and columns to form a rectangular array is called a matrix. The elements, or entries, of the matrix are the integers.
An ordered collection of numbers enclosed in a rectangular bracket is referred to as a matrix in mathematics. Due to the fact that depending on where an element is located within the bracket box, it might represent a variety of coefficient terms or variable coefficients, this list can also be referred to as a rectangular array.
For example,
