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

Feb2313 09:25 AM
micromass

1 
27,677 
Hello,
I have a dataset of 5dimensional realvalued vector X^j={x_i: i=1,2,3,4,5} and their corresponding y^j...

May2112 03:19 PM
viraltux

1 
841 
Hi all, I'm trying to generate uniform random vectors with n dimensions.
To be more precise, each of the elements of...

May2112 04:38 PM
awkward

27 
3,652 
This is an argument I thought up after a class on combinatrical properties of the model \textbf{L}. Our course is...

May2112 09:32 PM
AKG

3 
1,147 
Question is:
"If you roll a fair coin 10 times what is the expected product of number of heads and number of...

May2212 05:00 AM
haruspex

1 
982 
I'm struggling with Bayes' theory. Please consider the following:
Example 1:
Submarine sinks if one missile hits...

May2212 07:04 AM
viraltux

5 
1,054 
I have a question about binomial distribution
There is a random var X follows Binomial distribution ~B(n,p), where...

May2212 12:29 PM
viraltux

11 
3,436 
The greatest lower bound and least upper bound of two elements a, b in a lattice do not have to be unique, do they? ...

May2312 03:15 PM
dcpo

3 
1,333 
Need help
A system contains two components A & B. The system will function so long as either A or B functions....

May2412 06:30 AM
tinytim

1 
924 
My attempt:
In set theory, every thing is a set, even functions. Thus when we say "A is countable in M" we mean...

May2412 12:32 PM
mpitluk

2 
996 
In general, how does one separate the product of two probability distributions with one of them known? Basically, I...

May2412 02:47 PM
mathman

3 
1,037 
Must all models of ZFC (in a standard formulation) be at least countable?
Why I think this: there are countably...

May2512 01:29 AM
AKG

1 
818 
I was asked to help someone to work out the probability above. It was more than a year since I done similar questions...

May2512 01:58 AM
viraltux

5 
1,194 
Hi,
I am not able to comprehend the solution of a problem from a puzzle book.
Your friend shows you an urn and...

May2512 08:15 AM
D H

28 
1,998 
Hi All
Would be most grateful if there are some pointers given on this question.
Ques: There is a range of...

May2512 08:51 AM
chiro

4 
1,763 
Doing a bit of study for an interview. Came across this question:
"n unbiased coins. What is the probability that...

May2512 05:49 PM
D H

14 
2,083 
Is it possible that 2 sigmaalgebras could be independent under one measure but not independent under another?
Many...

May2612 05:31 AM
tunaaa

3 
928 
Hello everyone,
I explain my problem: I have a set of histograms that do not appear normal (in the sense of the...

May2612 10:17 AM
SW VandeCarr

4 
1,351 
Can't find (or maybe recognize when I see it) anything that discusses this question:
A group G is a set of members....

May2612 10:06 PM
Rising Eagle

10 
2,121 
Can someone point me to a firstorder axiomatization of ZFC?
As I've mostly seen ZFC expressed in higherorder...

May2712 07:10 PM
Hurkyl

2 
817 
Find the probability of scoring a total of 7 points (a) once, (b) at least once, (c) twice, in 2 tosses of a pair of...

May2712 11:58 PM
sai teja

4 
1,895 
Hi,
Suppose that there are M persons, and K balls number from 1 to K. Each person pulls k balls at the same time,...

May2812 07:39 AM
S_David

42 
3,089 
This appears to be the only difference between a sigmaalgebra and a Dynkin system:
Sigmaalgebra is closed under...

May2812 08:58 AM
camillio

1 
1,003 
What is an induced measure?
I have seen the formal definition many times i am trying to get a grasp of this concept....

May2812 08:50 PM
Vargo

1 
1,356 
Hi,
I have K i.i.d. exponentially distributed random variables with mean unity. I need to find the CDF and PDF of...

May2912 08:42 AM
haruspex

5 
1,768 
Hello!
I´m currently reading Halmos  'Naive Set Theory' on my own and try to solve the problems that the author has...

May2912 09:11 AM
micromass

6 
1,003 
I have the following data set: condition A and condition B, with 4 replicates recorded over 3 time periods.
...

May2912 11:46 AM
Monique

5 
1,575 
(a u b)'=a' u b'

May2912 05:46 PM
berkeman

2 
797 
Is it true that for every standard formulation T of ZFC, T ⊢ the power set of {naturals}?
After all, the empty set...

May2912 06:34 PM
Amir Livne

5 
1,387 
In random walk, what is the meaning of "first return visit"
I am reading it at...

May2912 06:56 PM
woundedtiger4

2 
999 
Let Bt1, Bt2 and Bt3 be standard Brownian motions with ~N(0,1).
Then what is E ?
Any help would be much...

May2912 08:50 PM
chiro

3 
1,648 
Hi everyone,
I'm doing a research subject about the correlation between the lunar tides and earthquakes, but I've...

May2912 09:25 PM
chiro

3 
1,122 
Does any one have code for generating 2D Markov processes of order up to 9?

May3012 04:04 PM
Joel Levitt

0 
957 
Right,
This is very confusing for myself, I'm pretty sure it will be so for everyone else.
My question is really...

May3012 04:15 PM
mathman

5 
1,417 
Hi, can someone provide me with a list of probability models that is akin to Von Mises but consists multiple...

May3012 05:28 PM
nigels

0 
793 
After having read the first half of Introduction to Statistics and Data Analysis by Peck and Olsen, I must say that...

May3012 09:48 PM
20Tauri

8 
2,330 
Dear all
I am trying to fit a simple ARCH(1)/GARCH(1,1) model to a set of binary data, i.e. I assume a latent GARCH...

May3112 04:37 AM
viraltux

7 
1,496 
Hi all,
My question is the following. Let's say I have two probability distributions;
f(xb)\,g(xc)
b and c...

May3112 02:06 PM
viraltux

7 
1,463 
I'm not quite sure how to ask my question, so perhaps a rough description about transitive vs. nontransitive models...

May3112 02:55 PM
mpitluk

0 
793 
I've done a decent amount of reading on the subject, and I used this method of course when reporting errors during lab...

May3112 03:14 PM
dydxforsn

7 
1,895 
I was wondering if someone could please help me understand a simple problem of error propagation going from multiple...

May3112 08:22 PM
Joel Levitt

33 
9,596 