Determining Inner Product for P2: Non-Negativity, Symmetry & Linearity

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SUMMARY

The discussion focuses on determining whether the expression = p(0)q(0) + p(1)q(1) qualifies as an inner product for the vector space P2, which consists of polynomials of degree at most 2. Key properties to verify include non-negativity, symmetry, and linearity. Participants emphasize the need to demonstrate that is non-negative for all polynomials p and q in P2, and to explore potential counterexamples that may invalidate this property.

PREREQUISITES
  • Understanding of inner product spaces
  • Familiarity with polynomial functions, specifically P2
  • Knowledge of mathematical properties: non-negativity, symmetry, linearity
  • Basic skills in mathematical proof techniques
NEXT STEPS
  • Research the properties of inner products in vector spaces
  • Study examples of polynomial functions in P2
  • Learn about counterexamples in mathematical proofs
  • Explore the implications of failing to meet inner product criteria
USEFUL FOR

Students and educators in mathematics, particularly those studying linear algebra and functional analysis, as well as anyone interested in the properties of polynomial spaces.

Mona1990
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Hi,
I was wondering how would i determine if <p,q> = p(0)q(0)+ p(1)q(1) is an inner product for P2.

I know, we have to check for non-negativity, symmetry and linearity. Just not sure how.

thanks!
 
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what is P2?

try working through the definitions using what you know about P2

for the first can you show
<p,q> = p(0)q(0)+ p(1)q(1) >= 0
or can you find a counter example or reason why this is not the case?
 

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