Limit of a Sequence: Wayne's Inquiry

  • Context: Undergrad 
  • Thread starter Thread starter wayneckm
  • Start date Start date
  • Tags Tags
    Limits Sequence
Click For Summary
SUMMARY

The discussion centers on the concept of limits in sequences, specifically addressing the limit of a sequence as n approaches infinity, denoted as \lim_{n\rightarrow\infty} x_{n} = c. Participants emphasize that sequences reaching a constant value c for n greater than or equal to a finite N are considered trivial and uninteresting. Wayne highlights the importance of not prematurely assuming a sequence cannot take a constant form without specific context.

PREREQUISITES
  • Understanding of mathematical sequences and limits
  • Familiarity with the notation of limits, specifically \lim_{n\rightarrow\infty}
  • Basic knowledge of constant functions in mathematics
  • Ability to analyze mathematical arguments and contexts
NEXT STEPS
  • Study the properties of convergent and divergent sequences
  • Learn about the formal definition of limits in calculus
  • Explore examples of sequences that approach infinity
  • Investigate the implications of constant sequences in mathematical analysis
USEFUL FOR

Students of mathematics, educators teaching calculus, and anyone interested in the foundational concepts of sequences and limits.

wayneckm
Messages
66
Reaction score
0
Hello all, indeed this is always a question in my mind.

For a sequence, we can study the limit, let's say [tex]\lim_{n\rightarrow\infty} x_{n} = c[/tex] where [tex]c[/tex] can be [tex]\infty[/tex].

So whenever we talk about this kind of limit, we are generally interested in a sequence which would not attain [tex]c[/tex] at a finite value of [tex]n[/tex]. In other words, the sequence in the form of [tex]x_{n} = c[/tex] where [tex]n \geq N[/tex] for some finite [tex]N[/tex] is of no interest because the limit is trivial?

Thanks.


Wayne
 
Physics news on Phys.org
If it becomes constant, then it's a pretty boring sequence, but unless you have some reason to believe so you shouldn't assume that the sequence can't be of that form. Do you have a specific context from which this question is coming?
 

Similar threads

  • · Replies 2 ·
Replies
2
Views
3K
  • · Replies 1 ·
Replies
1
Views
2K
  • · Replies 7 ·
Replies
7
Views
3K
  • · Replies 16 ·
Replies
16
Views
4K
  • · Replies 3 ·
Replies
3
Views
2K
  • · Replies 2 ·
Replies
2
Views
2K
  • · Replies 2 ·
Replies
2
Views
2K
  • · Replies 3 ·
Replies
3
Views
2K
  • · Replies 9 ·
Replies
9
Views
3K
  • · Replies 3 ·
Replies
3
Views
2K