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idempotent matrix???

Printed From: One Stop GATE
Category: GATE Technical Discussions
Forum Name: GATE ME
Forum Discription: General Technical Discussions, Queries, doubts etc. for GATE in CS.
URL: http://forum.onestopgate.com/forum_posts.asp?TID=232
Printed Date: 10Mar2025 at 4:00pm


Topic: idempotent matrix???
Posted By: Harsh
Subject: idempotent matrix???
Date Posted: 03Feb2007 at 5:20pm
if a matrix p is idempotent i.e p^2=p then (I-P) but not(I+P)is idempotent why/how???


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