
Please post any and all homework or other textbookstyle problems in one of the Homework & Coursework Questions...

Feb2313 09:25 AM
micromass

1 
32,011 
How to define relationship between two sets (mathematics)?
Please, let me make an assumption here.
Assumption : We...

Mar2311 12:25 PM
Stephen Tashi

1 
2,144 
Hello all,
I am deparing me with a problem or a doubt about the calculation of probabilities in one matrix.
I...

Mar607 08:23 AM
Paixao

0 
1,095 
Given a simple random walk X_n started at 1, and stopped the first time it hits zero (so it could be something like...

May910 04:55 PM
palace

0 
1,217 
Given a Natural number K, how many combinations \
of Natural numbers vectors are there, so that \
?
I'm...

Apr1105 02:08 PM
Palindrom

2 
1,059 
Is it correct that \
, N denoting the natural numbers?
If not, is there another symbol for the left hand side of the...

Sep605 08:43 AM
Palindrom

6 
3,044 
Let's have a look at \left\{ \neg,\equiv\right\}. How could one show that this isn't complete?
I've tried finding...

Jun107 09:59 AM
Palindrom

2 
1,332 
First encounter with the term, I'd like some help understanding it. I know there are several approaches, but this one...

Aug1907 07:08 PM
EnumaElish

5 
3,727 
Here's a stupid question: for a Gaussian process, are these two properties equivalent?

Oct3009 05:20 AM
Palindrom

2 
3,446 
This is probably a stupid question, but here goes: based on the covariance function of some (centered, stationary)...

Feb2010 04:04 PM
SW VandeCarr

16 
4,485 
c = correlation between the IQs of parents and children
s = standard deviation for IQs of the group the parents...

Dec2910 11:21 AM
Jupiterx5

10 
1,439 
Hi folks,
I am in the energy industry, and we do linear/multilinear regressions stats.
One of the concepts being...

Feb411 07:27 PM
statdad

1 
3,342 
How many elements are in a sub1 intersect a sub 2 which equals a null set
when a sub 1 =12 and a sub2 = 18

Sep405 11:42 AM
neurocomp2003

1 
1,092 
Hello,
I am trying to brush up on some mathematics and realized that I have to start from the very bottom. I keep...

Jan2709 09:15 PM
mXSCNT

2 
1,005 
Hello,
Trying to go through Tom Apostle text on Calculus. There is an exercise about proving the associative law...

Mar2109 08:31 PM
statdad

2 
11,375 
Hello everyone,
I am trying to understand situations under which Gaussian distribution would apply. For example, I...

Nov2509 01:09 AM
SW VandeCarr

9 
2,706 
Hello everyone,
I have a couple of questions about the Rice distribution and deriving the moments for the...

Apr1910 12:49 PM
pamparana

0 
754 
Hello everyone,
I just started reading "Fundamentals of Statistical Signal processing" by Steven Kay and just got...

Apr2210 04:34 PM
mathman

1 
1,371 
Hello,
Just came across this that:
E = 0
the expected value of the product of cos(t)sin(t) is 0. However, I...

May310 08:27 AM
g_edgar

1 
3,021 
Hello everyone,
I am trying to understand a paper and am stuck at one place.
The statement says something as...

Oct1310 01:23 PM
SW VandeCarr

1 
1,484 
Hello everyone,
I am having a bit of trouble understanding the metropolis hastings algorithm which can be used to...

Oct1410 04:47 PM
pamparana

0 
1,007 
Hello everyone,
I have a (noob!) question about Markov Random Field potential function.
So, I am looking at some...

Jun2811 05:18 PM
pamparana

0 
726 
Hello everyone,
I am trying to figure out some overall possibilities of some states for a certain configuration and...

Feb412 06:45 PM
pamparana

14 
1,474 
Hello all,
I am reading a paper and there is one bit in the paper that I am having a bit of trouble understanding....

Jun1712 10:51 AM
viraltux

3 
961 
Hello everyone,
I have a question (perhaps a very noob one as well!) regarding correlation between variables where...

Aug812 12:23 PM
Number Nine

5 
895 
Hello everyone,
I am trying to understand markov random fields and how it is related to the Gibbs measure and...

Oct1112 11:02 AM
Stephen Tashi

4 
505 
Hello everyone,
I have a question about generative and discriminative models. As I understand it generative models...

May913 12:01 PM
atyy

1 
579 
Hello,
I am trying to understand what makes estimating the posterior distribution such a hard problem.
So, imagine...

Feb1414 11:35 AM
Stephen Tashi

1 
254 
1st a bit of Background. I can't go into too much detail as there is huge commercial implications to the project, but...

Mar2107 11:16 PM
Hurkyl

10 
1,958 
From what I understand, and please correct me if I'm wrong:
An "Argument" in sentential logic is a set of...

Jul2714 03:07 AM
twoslit

7 
2,837 
Hi,
There are three variables ax, ay and az, my question is:
How to simplify the mean value...

Nov211 05:46 PM
Stephen Tashi

4 
1,255 
My professor gave me data points representing living cells on a rectangular plane and was told to analyze their...

Jun1012 02:56 PM
viraltux

10 
1,237 
I have a problem I'm working on that I'm a bit stuck on. In this problem we are allowed to use Taut Con in our Fitch...

Dec1606 03:41 AM
paradox

0 
2,361 
Consider the example of flipping of a coin. There are only two inputs. The output may be different each time you flip...

Dec1111 04:46 PM
SW VandeCarr

1 
1,273 
I need help on the following Questions that I'm working on. Can someone explain to me and show me how they came up...

Apr104 01:15 PM
matt grime

1 
2,803 
I would like your assistance with the following:
The mean income of a group of sample observations is $500; the...

May1710 08:36 PM
MRAguy

11 
75,437 
I need help on this problem.. my answer that i get is the following for A, but i'm not sure. can you help me with a...

Apr204 02:58 AM
matt grime

1 
8,194 
I have a question that I would like your assistance to see if I have the correct info:
In 1990 there were 9.19...

Apr904 05:02 AM
pig

5 
5,082 
HI group, I was wondering if someone can check my answers to see if i'm right on the following questions. Thanks!!
...

May104 05:52 AM
HallsofIvy

1 
5,026 
Hi,
I am trying to figure out what the probability distribution is for the following:
1. Roll 4 dice.
2. Take...

Feb1412 07:17 PM
MrAnchovy

4 
2,191 
Repeat 4 times the following experiment:
We pull 3 cards from 3 normal decks (one sheet each), we note what some...

Mar1113 03:43 PM
mathman

3 
672 