Prove that A is idempotent if and only if A' is idempotent. Getting Started: The phrase "if and only if" means that you have to prove two statemen 1. If A is idempotent, then A' is idempotent. 2. If AT is idempotent, then A is idempotent. STEP 1: Begin your proof of the first statement by assuming that A is idempotent. This means that A STEP 2: Take the transpose of both sides of the equation from Step 1. T STEP 3: Use the properties of the transpose to simplify your result from Step 2. T This shows that A' is idempotent. STEP 4: Begin your proof of the second statement by assuming that A is idempotent. This means that A' = STEP 5: Take the transpose of both sides of the equation from Step 4. STEP 6: Use the properties of the transpose to simplify your result from Step 5. %3D This shows that A is idempotent.
Prove that A is idempotent if and only if A' is idempotent. Getting Started: The phrase "if and only if" means that you have to prove two statemen 1. If A is idempotent, then A' is idempotent. 2. If AT is idempotent, then A is idempotent. STEP 1: Begin your proof of the first statement by assuming that A is idempotent. This means that A STEP 2: Take the transpose of both sides of the equation from Step 1. T STEP 3: Use the properties of the transpose to simplify your result from Step 2. T This shows that A' is idempotent. STEP 4: Begin your proof of the second statement by assuming that A is idempotent. This means that A' = STEP 5: Take the transpose of both sides of the equation from Step 4. STEP 6: Use the properties of the transpose to simplify your result from Step 5. %3D This shows that A is idempotent.
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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