Section 1
Introduction to Matrices
Book
Version 13
By Boundless
By Boundless
Boundless Algebra
Algebra
by Boundless
4 concepts
![Thumbnail](../../../../../../figures.boundless-cdn.com/32990/square/re1i9ogssarmuhjlkzto.jpg)
What is a Matrix?
A matrix is a rectangular arrays of numbers, symbols, or expressions, arranged in rows and columns.
Addition and Subtraction; Scalar Multiplication
There are a number of operations that can be applied to modify matrices, such as matrix addition, subtraction, and scalar multiplication.
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Matrix Multiplication
When multiplying matrices, the elements of the rows in the first matrix are multiplied with corresponding columns in the second matrix.
The Identity Matrix
The identity matrix