A Matrix is an array of numbers: A Matrix (This one has 2 Rows and 3 Columns). To multiply a matrix by a single number, we multiply it by every...

Math explained in easy language, plus puzzles, games, quizzes, worksheets and a forum. For K-12 kids, teachers and parents.

Enter your matrix in the cells below A or B. ... Or you can type in the big output area and press to A or to B (the calculator will try its best to interpret your data).

This may seem an odd and complicated way of multiplying, but it is necessary! I can give you a real-life example to illustrate why we multiply matrices in this way.

Please read our Introduction to Matrices first. Just like a number has a reciprocal ... Reciprocal of a Number (note:

Math explained in easy language, plus puzzles, games, quizzes, videos and worksheets. For K-12 kids, teachers and parents.

Why Do It This Way? This may seem an odd and complicated way of multiplying, but it is necessary! I can give you a real-life example to illustrate why we multiply matrices in this way.

A vector has magnitude (how long it is) and direction ... Here are two vectors

This page is only going to make sense when you know a little about Systems of Linear Equations and Matrices, so please go and learn about those if you don't know them already.

Math explained in easy language, plus puzzles, games, quizzes, videos and worksheets. For K-12 kids, teachers and parents.