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lesson 13
1 hour

Using Matrix Operations for Encryption


Description

This lesson reinforces concepts of matrix multiplication, matrix inverses, and the identity matrix in the context of encoding and decoding strings of characters using multiplication by either an encoding matrix or its inverse decoding matrix.

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Credits

From EngageNY.org of the New York State Education Department. Precalculus and Advanced Topics Module 2, Topic B, Lesson 13. Available from engageny.org/resource/precalculus-and-advanced-topics-module-2-topic-b-lesson-13; accessed 2015-05-29.
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