Sigma Notation for Λ1 + Λ2 + Λ3 +...+ Λn = 1

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SUMMARY

The discussion focuses on the notation for the equation Λ1 + Λ2 + Λ3 + ... + Λn = 1 using sigma notation. The correct representation is ∑(k=1 to n) Λk = 1, as confirmed by participants. The choice of variable, whether "k" or "i," is irrelevant as it serves merely as a placeholder. Additionally, users seek guidance on inputting this notation into a TI-Nspire CAS calculator, specifically regarding subscript functionality.

PREREQUISITES
  • Understanding of sigma notation in mathematics
  • Familiarity with LaTeX typesetting for mathematical expressions
  • Basic knowledge of the TI-Nspire CAS calculator
  • Concept of summation in mathematical contexts
NEXT STEPS
  • Learn how to use sigma notation in mathematical proofs
  • Explore LaTeX documentation for advanced typesetting techniques
  • Research the TI-Nspire CAS calculator's capabilities for entering subscripts
  • Study the properties of summation and its applications in calculus
USEFUL FOR

Students, educators, and mathematicians interested in mathematical notation, particularly those using TI-Nspire CAS calculators or learning about sigma notation.

JDude13
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How do I notate this:

\Lambda_{1}+\Lambda_{2}+\Lambda_{3}+\ldots+\Lambda_{n}=1

using sigma notation?
 
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Sigma (k=1,n) lambdak = 1
 
mathman is correct, but here is the TeXed version:

\sum_{k=1}^n{\Lambda_k}=1
 
I had a guess which was exactly the same as yours except with an "i" instead of a "k".
It's not important but... Was I right?

Also; does anyone know how to imput this into a TI-nspire CAS calculator (I can't get the subscript thing to work)?
 
JDude13 said:
I had a guess which was exactly the same as yours except with an "i" instead of a "k".
It's not important but... Was I right?

It doesn't matter what letter you use. It's just a placeholder. You could put puppy there if you wanted. :biggrin:
 
gb7nash said:
It doesn't matter what letter you use. It's just a placeholder. You could put puppy there if you wanted. :biggrin:
Good one. I always say "Fred". No idea why!
 
Hurrah! I'm not entirely useless!
 

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