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## Summary/Background

You can use this method of matrix multiplication to transform any number of coordinates.

## Software/Applets used on this page

This page uses jsMath
You can get a better display of the maths by downloading special TeX fonts from jsMath. In the meantime, we will do the best we can with the fonts you have, but it may not be pretty and some equations may not be rendered correctly.

## Glossary

### matrix

a rectangular or square grid of numbers.

### union

The union of two sets A and B is the set containing all the elements of A and B.

Full Glossary List