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identity matrix

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identity matrix

 
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–noun Mathematics.
a matrix that has 1 in each position on the main diagonal and 0 in all other positions.
Origin:
1940–45
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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identity matrix  


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n.  A square matrix with 1's along the diagonal from upper left to lower right and 0's in all other positions.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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