TED-Ed

Bill Shillito: How to organize, add and multiply matrices

2013 • E78    Mar 4, 2013    5m
When you're working on a problem with lots of numbers, as in economics, cryptography or 3D graphics, it helps to organize those numbers into a grid, or matrix. Bill Shillito shows us how to work with matrices, with tips for adding, subtracting and multiplying (but not dividing!). [Directed by David Bernal, narrated by Bill Shillito].

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