9. Use the formula (imA)+ = ker(AT) to prove the equation rank(A) = rank(AT).

Practical Management Science
6th Edition
ISBN:9781337406659
Author:WINSTON, Wayne L.
Publisher:WINSTON, Wayne L.
Chapter14: Data Mining
Section14.2: Classification Methods
Problem 3P
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9. Use the formula (imA)+ = ker(AT)
to prove the equation
rank(A) = rank(AT).
Transcribed Image Text:9. Use the formula (imA)+ = ker(AT) to prove the equation rank(A) = rank(AT).
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