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sleestak
Group Title
Given the following,
x1=2 x2=1 x3=2 x4=5 x5=4 x6=8
Find:
3
∑ ( x subi  1 ) 2
i=1
 2 years ago
 2 years ago
sleestak Group Title
Given the following, x1=2 x2=1 x3=2 x4=5 x5=4 x6=8 Find: 3 ∑ ( x subi  1 ) 2 i=1
 2 years ago
 2 years ago

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dpflan Group TitleBest ResponseYou've already chosen the best response.4
I think I can handle this ;)
 2 years ago

dpflan Group TitleBest ResponseYou've already chosen the best response.4
\[\sum_{i=1}^{i=3} (x_i  1) ^2 \]
 2 years ago

amistre64 Group TitleBest ResponseYou've already chosen the best response.0
the suspense is killing me :)
 2 years ago

dpflan Group TitleBest ResponseYou've already chosen the best response.4
You given 6 x_i values. The equation only wants you to consider x_i for (i=1 until i=3), that would be x1, x2, x3. The sigma is the symbol for sum. So the problem is to find the sum for the following events: plugging in each x_i subtracting 1 then squaring that. Hence you'll have 3 values that you then add to together to get the final value. \[ i=1, x_1 = 2, (21)^2 = 1\] \[i=2, x_2 = 1, ((1) 1)^2 = ... \] ... and so on
 2 years ago

amistre64 Group TitleBest ResponseYou've already chosen the best response.0
could we expand the binomial and pick it apart sum for sum?
 2 years ago

sleestak Group TitleBest ResponseYou've already chosen the best response.0
OH! THANK YOU. DPFLAN, you are the best <3
 2 years ago

dpflan Group TitleBest ResponseYou've already chosen the best response.4
@amistre64 for sure, that would create even more suspense!
 2 years ago

amistre64 Group TitleBest ResponseYou've already chosen the best response.0
the butler did it, im sure of it ....
 2 years ago

dpflan Group TitleBest ResponseYou've already chosen the best response.4
with the candlestick?
 2 years ago

dpflan Group TitleBest ResponseYou've already chosen the best response.4
@sleestak No problem, glad I could help!
 2 years ago

amistre64 Group TitleBest ResponseYou've already chosen the best response.0
yes, with the candlestick lol ... get a clue
 2 years ago

dpflan Group TitleBest ResponseYou've already chosen the best response.4
@sleestak I imagine you may have some more problems that are similar to this that you need to work on, so good luck
 2 years ago

sleestak Group TitleBest ResponseYou've already chosen the best response.0
thanks. I'll tell you what I come up with
 2 years ago

sleestak Group TitleBest ResponseYou've already chosen the best response.0
oh no. sorry one sec
 2 years ago

sleestak Group TitleBest ResponseYou've already chosen the best response.0
14. OK. I think I can do the other problem. THANKS :D
 2 years ago

dpflan Group TitleBest ResponseYou've already chosen the best response.4
x1 > 1 x2 > 4 x3 > 9 SUM = 14, yeah, you're now an expert it seems
 2 years ago

sleestak Group TitleBest ResponseYou've already chosen the best response.0
you guys need to list finance as the next subject :D
 2 years ago

dpflan Group TitleBest ResponseYou've already chosen the best response.4
http://openstudy.com/study#/groups/Finance
 2 years ago

dpflan Group TitleBest ResponseYou've already chosen the best response.4
It actually had/has a pretty strong following/support from a professor at NYU  http://pages.stern.nyu.edu/~adamodar/
 2 years ago

dpflan Group TitleBest ResponseYou've already chosen the best response.4
Math is the most active subject
 2 years ago

sleestak Group TitleBest ResponseYou've already chosen the best response.0
oh. excellent.
 2 years ago

dpflan Group TitleBest ResponseYou've already chosen the best response.4
So if your questions are mathematical, you'd probably be best served to ask them here because there is a greater mass of users in this group, so you're more likely get an answer.
 2 years ago

sleestak Group TitleBest ResponseYou've already chosen the best response.0
yeah totally. this is awesome! I am going to use this all the time in school
 2 years ago

dpflan Group TitleBest ResponseYou've already chosen the best response.4
awesome, tell your friends too! Also, I've the final question you asked about solved
 2 years ago

sleestak Group TitleBest ResponseYou've already chosen the best response.0
oh okay. let me post
 2 years ago

sleestak Group TitleBest ResponseYou've already chosen the best response.0
should I now 'close' this question?
 2 years ago
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