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Jomo
reacted to
Cubist's post
in the thread
Random Variables
with
Like
.
This might be the wrong direction to go in, but maybe start by considering the sum of two uniform distributions only and then maybe it...
22 minutes ago
pka
replied to the thread
Find shortest way from A to B
.
There is almost the exact question in a discrete mathematics text( I forget which). The are many on a flat grid that ask for the number...
28 minutes ago
Dr.Peterson
replied to the thread
Find shortest way from A to B
.
It doesn't say you have to follow the marked lines, only that you have to stay on the surface. Your route, as I understand it, would...
41 minutes ago
pka
replied to the thread
Find shortest way from A to B
.
I find this question trivial. From the instructions the distance is meant to be along the faces of the cube using the line segments...
46 minutes ago
C
Cubist
replied to the thread
Random Variables
.
This might be the wrong direction to go in, but maybe start by considering the sum of two uniform distributions only and then maybe it...
55 minutes ago
C
Cubist
replied to the thread
Fourier series f(x)=x real world issue
.
Very interesting indeed. Thanks for the back story. You've done a great job researching the data that the read head outputs. And an even...
Today at 9:56 AM
Jomo
posted the thread
Random Variables
in
Probability / Statistics
.
All I can see in this problem is that E(Xi) = 0 and p(a<Xi<b) = (b-a)/(2i) assuming (a,b) is in [-i,i]. Please help. Thanks!
Today at 9:44 AM
topsquark
reacted to
Dr.Peterson's post
in the thread
Matrix about coins
with
Like
.
The problem bothers me, because the fact is that you do not need any matrix at all! And if you choose to use a matrix, and there are...
Today at 9:43 AM
O
OllieOpps
replied to the thread
For a particle motion question, I am getting a negative time. What do I make of this?
.
Thank you both. I understand it much better now.
Today at 9:29 AM
O
OllieOpps
reacted to
HallsofIvy's post
in the thread
For a particle motion question, I am getting a negative time. What do I make of this?
with
Like
.
Please tell us the full problem. Does it say that t represents time? Just because the letter "t" is used in an equation does not...
Today at 9:27 AM
O
OllieOpps
reacted to
JeffM's post
in the thread
For a particle motion question, I am getting a negative time. What do I make of this?
with
Like
.
You have found the zeroes of the function's first derivative correctly. Those zeroes indicate the times, relative to your base time of...
Today at 9:27 AM
F
foxhound
replied to the thread
Find missing values when the mean and standard deviation is known
.
You're right, I am very sorry for all my mistakes. I would like to write : 134,6692+(c-34,25)2+(66-c)2 = 269,65
Today at 9:26 AM
Jomo
replied to the thread
Matrix about coins
.
Choice e implies choice d!
Today at 9:24 AM
Dr.Peterson
replied to the thread
How do I write a polynomial function by looking at a graph
.
Please show your attempt, so we can see what you might be doing wrong. Perhaps you didn't fully take multiplicity into account; or...
Today at 9:24 AM
Jomo
reacted to
HallsofIvy's post
in the thread
Finding a constant in polynomial long division
with
Like
.
Did you not try just doing the division?
Today at 9:20 AM
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