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).

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

Just like a number has a reciprocal ... ... And there are other similarities

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

Hi there! 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.

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

Multiplying a Matrix by Another Matrix But to multiply a matrix by another matrix we need to do the " dot product " of rows and columns ... what does that mean? Let us see with an example: To work out the …

They have many uses ... A simple example is that an eigenvector does not change direction in a transformation ... How do we find that vector?