Position Notation: x_n = d_n = Λ_n = E_n

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The discussion focuses on representing the position of variables d_n, Λ_n, and E_n as x_n, indicating they occupy the same position in one-dimensional space. The user seeks clarification on the correct notation for this relationship, debating between two forms. They emphasize that each x(y_n) value represents a distance from a reference point, x_0. Participants express confusion about the nature of the variables involved, questioning whether they are numbers, matrices, or functions. The thread ultimately seeks guidance on proper mathematical notation for these concepts.
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I would like to represent that the position of d_n is the same as the position of \Lambda_n is at the same position as E_n. I want to call this position x_n.

Would I notate it like:
x_n=x(d_n)=x(\Lambda_n)=x(E_n)
or like:
x(x_n)=x(d_n)=x(\Lambda_n)=x(E_n)
?
 
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Please explain what in the world you are talking about! Are these numbers, matrices, functions, or what?
 
Okay... For simplicity's sake, let's say that each x(y_n) value is a distance, in one dimensional space, from a point which I shall call x_0. Would the former or latter equation be correct?

Also... I'm not so sure about matrices or anything like that... I'm only just about to start yr11 at school...
 
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