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Add, Subtract and Multiply matrices interactive

by M. Bourne

Here's an interactive which will help you to learn how addition, subtraction, scalar multiplication and multiplication of matrices work.

It will generate many different sized (up to 5 by 5) matrices with different random numbers each time. You can use it to see plenty of examples of matrix operations.

You can step through each calculation involved. You can do this by clicking the "step through" button which appears.

Suggestion: Work out the answer yourself first, then check your answer against what it says.

For best learning outcomes, never just copy!

For best results on your phone: View this in landscape (wide) mode. The matrices get quite wide and things flow off the edge. It actually makes more sense on a laptop.

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You can see even more examples of matrix multiplication on this page: Matrix multiplication - examples.

Go back to: 4. Multiplying Matrices.

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