Solving Tx=y: One Solution & R(T) Condition

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  • Thread starter Thread starter juaninf
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Discussion Overview

The discussion revolves around the mathematical statement regarding the linear transformation \( T \) from vector space \( V \) to vector space \( W \), specifically focusing on the conditions under which the equation \( Tx = y \) has one solution, and the implications of \( y \in R(T) \), where \( R(T) \) denotes the range of \( T \).

Discussion Character

  • Technical explanation, Conceptual clarification, Debate/contested

Main Points Raised

  • One participant seeks assistance in proving that the equation \( Tx = y \) has one solution if and only if \( y \in R(T) \).
  • Another participant questions the interpretation of "has one solution," asking whether it refers to exactly one solution or at least one solution.
  • A participant raises a concern about the problem potentially being either impossible or trivial, indicating uncertainty about the conditions of the problem.
  • One participant emphasizes the importance of understanding the definition of \( R(T) \) without any doubt, suggesting that clarity on this definition is crucial for the discussion.

Areas of Agreement / Disagreement

The discussion contains multiple competing views, particularly regarding the interpretation of the problem and the implications of the definitions involved. There is no consensus on the nature of the solution or the validity of the problem.

Contextual Notes

Participants have not fully clarified the definitions or assumptions related to "one solution" and \( R(T) \), leaving some aspects of the discussion unresolved.

juaninf
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Help for prove this please

Let T\in{L(V,W)}
The equation Tx=y have one solution iff y\in{R(T)}
 
Last edited:
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A couple of questions: when you say "has one solution" do you mean exactly one solution or at least one solution?

Also, do you know the definition of "R(T)"?

It looks to me like this problem is either impossible or trivial!
 
Read carefully and try to understand without any doubt whatsoever the definition of R(T).
 

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