OhhAskMe
Login
Register
@
Dark Mode
Profile
Edit my Profile
Messages
My favorites
Register
All Activity
Q&A
Questions
Hot!
Unanswered
Users
Ask a Question
Dark Mode
[University MIP] The use of colons in sigma notation.
alejandrina_gr
asked
Jun 21, 2022
0
like
0
dislike
0
like
0
dislike
[University MIP] The use of colons in sigma notation.
learnmath
alejandrina_gr
asked
Jun 21, 2022
by
alejandrina_gr
answer
comment
share this
share
0 Comments
Please
log in
or
register
to add a comment.
Please
log in
or
register
to answer this question.
2
Answers
0
like
0
dislike
0
like
0
dislike
The index means "sum over all j, such that there is an i so that (i,j) is in A"
I assume you are reading about flows on networks?
kgreenbaum
answered
Jun 21, 2022
by
kgreenbaum
ask related question
comment
share this
0 Comments
Please
log in
or
register
to add a comment.
0
like
0
dislike
0
like
0
dislike
: means "such that". really it should be written with braces around it, like {j : (i,j) ∈ A}. you're just summing over the elements of a set.
souryukoushiki
answered
Jun 21, 2022
by
souryukoushiki
ask related question
comment
share this
0 Comments
Please
log in
or
register
to add a comment.
Related questions
0
like
0
dislike
0
like
0
dislike
4
answers
TCURifle
asked
Jun 21, 2022
What is it like working in the department of insurance as an actuary?
What is it like working in the department of insurance as an actuary?
TCURifle
asked
Jun 21, 2022
by
TCURifle
actuary
0
like
0
dislike
0
like
0
dislike
0
answers
wesleymir
asked
Jun 21, 2022
In the book "Hyperspace" by Michio Kaku, Kaku discusses Bernhard Riemann, number Theory, and Adrien-Marie Legendre and his book "Theory of Numbers". Does anyone know where I can find this book, or perhaps have a copy?
In the book "Hyperspace" by Michio Kaku, Kaku discusses Bernhard Riemann, number Theory, and Adrien-Marie Legendre and his book "Theory of Numbers". Does anyone know wher...
wesleymir
asked
Jun 21, 2022
by
wesleymir
mathbooks
0
like
0
dislike
0
like
0
dislike
4
answers
JohnGeiger_
asked
Jun 21, 2022
Looking for a book about the uttermost fundamentals of math in a philosophical context
Looking for a book about the uttermost fundamentals of math in a philosophical context
JohnGeiger_
asked
Jun 21, 2022
by
JohnGeiger_
mathbooks
0
like
0
dislike
0
like
0
dislike
2
answers
Day2DryWash
asked
Jun 21, 2022
Texts on the applications of chaos theory in Financial markets
Texts on the applications of chaos theory in Financial markets
Day2DryWash
asked
Jun 21, 2022
by
Day2DryWash
mathbooks
0
like
0
dislike
0
like
0
dislike
4
answers
TommyBanks8
asked
Jun 21, 2022
Recently i started Problems in Mathematical Analysis 1: Real Numbers, Sequences and Series by Kaczor Nowak. Its problems are very tough. So i need some books which have a huge amount of hard problems on sequence and series in the examples. Do you know any
Recently i started Problems in Mathematical Analysis 1: Real Numbers, Sequences and Series by Kaczor Nowak. Its problems are very tough. So i need some books which have a...
TommyBanks8
asked
Jun 21, 2022
by
TommyBanks8
mathbooks
33.4k
questions
135k
answers
0
comments
33.7k
users
OhhAskMe is a math solving hub where high school and university students ask and answer loads of math questions, discuss the latest in math, and share their knowledge. It’s 100% free!
Twitter
WhatsApp
Facebook
Reddit
LinkedIn
Email
Link Copied!
Copy