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

Feb2313 09:24 AM
micromass

1 
46,287 
How might one evaluate an integral equation like the following:
I = lim k> 0+ {ClosedContourIntegral around y },...

Aug2106 01:56 PM
saltydog

6 
3,085 
hello
could someone give me a pointer here.
this integral
∫ln(x + c)dx
my guess is, by integration by parts...

Aug2106 09:49 PM
quasar987

1 
2,771 
:(
I already don't know how to do my first assignment.
I mean, I do, but I really don't remember how.
f(x) =...

Aug2206 04:48 AM
data1217

3 
1,077 
Why is 1^ \infty . undefined?

Aug2406 07:40 PM
StatusX

1 
898 
What steps would you have to take to prove that an area of a simple closed curve is maximized if it is a circle?
I...

Aug2506 05:44 AM
HallsofIvy

6 
6,893 
to take the area under a graph of
(1+2^x) from 0 to 30 how can you do this and what is the answer

Aug2506 06:18 AM
bomba923

5 
1,390 
If we have (Poisson sum formula) in the form:
\sum_{n=\infty}^{\infty}f(n)= \int_{\infty}^{\infty}dx f(x) \omega...

Aug2506 02:14 PM
shmoe

1 
4,346 
If we have the next Lambert series:
S(x)= \sum_{n=0}^{\infty} \frac{ a(n) x^n }{1x^n }
my question is..if...

Aug2506 05:17 PM
saltydog

1 
2,622 
really isnt calculus but thats the name of my class so, anyway im having a problem here. i think its pretty simple im...

Aug2506 07:40 PM
d_leet

18 
2,094 
let be the integral equation:
f(x)=\lambda \int_{0}^{1}dyK(x,y)f(y)
where the Kernel is known and "lambada" is...

Aug2606 05:30 AM
HallsofIvy

4 
1,634 
Hi ALL,
Has anyone done some recent (or previous) work on Independent Component Analysis (ICA) and Principal...

Aug2606 09:36 AM
FluidSpace9000

0 
1,815 
I'm still new to much of this stuff, so I do not claim to be an expert. But I thought I'd still comment. I'm trying to...

Aug2606 08:00 PM
laserblue

10 
1,651 
It's quite a "strange" thing..why people have so many difficulties with dealing with integrals of the form:
\int...

Aug2706 04:46 AM
saltydog

17 
4,693 
Hi everybody,
I have just started reading some things about generalised functions, and i have some question. The...

Aug2706 09:49 AM
Hurkyl

3 
1,774 
So we are learning about limits right now and I can't do my homework because I don't understand. Is there anyone who...

Aug2706 11:58 PM
JonF

2 
7,098 
This is a simple question, but I don't have a complex analysis book handy to verify, and I'm by no means very familar...

Aug2806 07:24 AM
saltydog

2 
2,057 
http://i21.photobucket.com/albums/b276/Toxic590/untitled2.jpg
What does this sign mean. I know its an integral...

Aug2806 07:17 PM
Sir.Aaron

4 
1,175 
(hmm. wasnt to sure about where to post this)
im given an equation to a 3d surface and asked to find the gradient...

Aug2806 10:31 PM
Yura

4 
8,042 

Aug2806 10:55 PM
gohanhope

3 
2,060 
Let be a divergent series:
\sum _{n=0}^{\infty} a(n) (1)
then if you "had" that f(x)= \sum _{n=0}^{\infty}...

Aug2906 02:29 AM
lokofer

0 
975 
Hi everybody,
I have a question concerning limits of 2variable real functions and complex functions of 1...

Aug3106 04:08 AM
cliowa

20 
7,799 
In Calculas I've learned that 'F means the integral of a function. SO what does ''F mean, th integral or an integral...

Sep106 04:49 AM
HallsofIvy

10 
1,391 
Please, can you give me some hints about this?
Here is a proof of the inverse function theorem.
1. After the...

Sep106 10:34 PM
quasar987

16 
3,245 
I need to find the integral of the following using integration by recognition:...

Sep206 08:50 PM
d_leet

10 
6,212 
Please help! How do I do this problem?
Using the method of cylindrical shells, find the volume generated by...

Sep406 01:00 AM
Swapnil

2 
7,402 
I'm having problems with fundementals of partial derivatives. I've looked around for something like "partial...

Sep506 05:10 AM
HallsofIvy

5 
1,597 
A general orthogonal coordinate system (u,v,w) will have a line elemet of the form:
ds^2 = f^2 du^2 + g^2dv^2 +...

Sep506 10:33 AM
Swapnil

6 
6,882 
Let be the integrals:
\int_{\infty}^{\infty}dx Cos(uf(x)) (or the same but a sine) and
...

Sep606 01:09 PM
lokofer

2 
796 
This is for my Circuits class, I am supposed to find the current i.
If q = 5te^(10^(3) t) Coulombs
Find...

Sep606 05:34 PM
HallsofIvy

4 
1,232 
Hello everyone.
I read in a book that for metric spaces (X, \rho), (Y, \sigma) we can form the metric space (X...

Sep706 03:12 AM
MKR

2 
3,912 
I've taken Calculus 1, but it was a few years ago, so bear with me. I understand how to use derivitaves to find...

Sep806 02:10 PM
chroot

9 
1,581 
Consider an exponential tower of three thousand 7's.
What is the remainder when you divide the tower by 11?
Note...

Sep806 03:22 PM
phantasmagoriun

6 
2,172 
Does anyone know of resources about Morse Theory online? I'm looking for an introductory text.

Sep906 09:01 AM
jmarstonm

11 
2,255 
Hi, I'm taking a university extension program, so I can't talk with my professor. The Calc teacher at my high school...

Sep1006 09:05 AM
Astronuc

1 
1,793 
http://i5.tinypic.com/4hionb9.jpg
Please check my answers
a) I know that e^x^3 > 0 and for all x ∈ , so we have...

Sep1006 10:16 AM
413

3 
1,059 
Please help!
Here is a homework question that I need help starting!
It is a fact that the squares of the rational...

Sep1006 03:55 PM
SteveRives

2 
974 
If we define the derivative of arbitrary order by...(taking the limit h>0 )
\frac{d^{q}}{dx^{q}}\rightarrow...

Sep1106 02:27 PM
lokofer

0 
686 
Hello my question is if there exist an analogue of "complex calculus" for complex numbers but using "quaternions"..in...

Sep1106 03:58 PM
Hurkyl

2 
2,202 
We have the defintion (taking the limit) for hte derivative:
\frac{f(x)f(a)}{xa} for an Euclidean Space...
...

Sep1106 04:13 PM
Hurkyl

5 
1,513 
Find the point that is equidistant from (0,0) , (2,3) , and (3,2)......
I have plotted the points and have drawn a...

Sep1206 05:16 AM
HallsofIvy

5 
5,769 