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

Feb2313 09:24 AM
micromass

1 
45,158 
Someone plz help me how to do these problems below. Thanks a lot for your help.
1) On the surface of the moon the...

Nov2703 09:28 PM
Hurkyl

4 
1,823 
I've been working on this for the past hour, but haven't gone anywhere with it. If anyone can help to complete it, it...

Dec2006 01:53 AM
quasar987

1 
1,823 
I just wrote a midterm, and I found it pretty easy. I was wondering what others got as questions.
This is the...

Nov104 01:06 PM
JasonRox

2 
1,822 
My question is dose the existance of an antiderivitive in a domain imply that the function is anaylitic in that...

Mar2308 07:33 PM
mathwonk

5 
1,822 
I was wondering whether you have the proof to the following lemma:
"The Ritz values at step n of the Lanczos...

Dec510 04:59 PM
fly_ty03

1 
1,822 
I am trying to calculate (analytically) the integral:
\int_{0}^{\pi} \left ^2 J_{0}(k_0 L \sin \theta ) \sin^3...

Aug504 04:46 AM
Gza

3 
1,821 
Hi all,
How is the fourier transform applied to nonperiodic functions, such as the Rect function?
Any help...

Apr1609 10:11 AM
deiki

3 
1,821 
Hey all,
I finally figured out how to solve the integral:
\int{dp} =...

Aug109 04:52 PM
HallsofIvy

1 
1,821 
The title basically says it all, here they are:
\lim_{n\rightarrow\infty}a_n=a. And...

Jun711 10:31 PM
micromass

6 
1,821 
Hi,
I found on youtube a video showing the steps to differentiate tan(x). I can follow the steps quiet easily but...

Nov1911 08:06 AM
HallsofIvy

1 
1,821 
I have a question regarding this.
I wish I were home right now so I can give the exact words.
Anyways, the book...

Feb1606 12:02 PM
HallsofIvy

7 
1,820 
Let be the Fourier transform of:
\int_{\infty}^{\infty}dxf(x)e^{iwx}=F(w)
then using the property of dirac...

Jan1207 03:32 AM
Kevin_spencer2

0 
1,820 
Hey folks,
I'm reading the paper: http://arxiv.org/abs/hepph/0301168
and I'm trying to make sense of the first...

Apr2308 05:18 PM
robousy

8 
1,820 
Let I be the interval I=[0,infinity). Let f: I to R be uniformly continuous. Show there exist positive constants A and...

Sep2008 09:45 PM
herbyoung

2 
1,820 
What function has a domain consisting of all real numbers and a range from ?

Mar409 04:32 PM
csprof2000

3 
1,819 
I was reviewing basic calculus of of functions of several variables. It struck me that in one of the exercises, it was...

Nov611 07:53 AM
Useful nucleus

5 
1,819 
If f(x),g(x),h(x) are nonegative real functions consider functions:
A(x)=\sqrt{f(x)} + \sqrt{g(x)} + \sqrt{h(x)}...

Jul906 01:29 PM
tehno

15 
1,818 
If I have a finite boundary, say of length L. Is it possible to demonstrate that if I were to allow all possible...

Feb2308 09:18 AM
robousy

9 
1,818 
What they said:
f(ε) = Σ enε/kT n = 0 to ∞
Write the following series in terms of f’(ε):
g(ε) = Σ...

Sep2408 08:24 AM
jbowers9

3 
1,818 
I am having a problem with a question from my calc 3 class. I don't think there is any calculus involved, however. So...

Sep2708 04:26 PM
laluser

2 
1,818 
In terms of programming. Like, lets say you have F1+F2+F3+15=0 and you move the 15 to the other side, just as you're...

Mar2211 06:10 PM
Stephen Tashi

5 
1,818 
Hi, All:
I have a function f: ℂ>ℂ' , i.e., a complexvalued function (use ℂ,ℂ' to make a distinction between the...

Nov1911 04:02 PM
Bacle2

6 
1,818 
Hello,
I have the following equation
\int \!v{dv}={\it GM}\,\int \!{y}^{2}{dy}\]}
Integrating I get...
\}

Oct2505 05:10 PM
opticaltempest

7 
1,817 
Sketch the level curves in the xyplane of f(x,y)=3yx^2 for k=0,2,4.
Anyone mind helping/teaching me how to...

Jul207 04:22 PM
Proof.Beh

4 
1,817 
It is clear that a basis for a topology generates that topology. (i.e. the smallest topology containing the basis is...

Sep2907 02:34 PM
jostpuur

11 
1,817 
help my final is friday and law school depends upon it.
volume of revolution (VOR) for base of x^2 + y^2=25....

Apr2908 10:09 PM
john.duke10

0 
1,816 
Hi!
I am supposed to write the hyperboloid x^2 + y^2  z^2=1 as a parametric funktion and find an expression for the...

Feb1004 04:19 AM
LostInSpace

6 
1,815 
So its pretty much common knowledge that:
\frac{d}{dx}\sin (x) = \cos (x)
But how does one go about to actually...

Nov1408 06:49 AM
HallsofIvy

7 
1,815 
If we integrate a vector field over a surface, \int_S \vec{F} \cdot \vec{dS}, we get the flux through that surface....

Jun1910 02:45 PM
thojrie

5 
1,815 
I'm fairly confused as to how to get the total derivative of a function from Rn to Rm. I know the definition and the...

Apr2011 08:36 AM
Bacle

3 
1,815 
hi folks,
one often reads
\int_A f(x) dx = \int_A g(x) dx for arbirary A, thus f(x) = g(x), since the equaltiy...

Jan212 06:05 PM
resolvent1

4 
1,815 
\lim_{n\rightarrow \infty} \frac{2^{3n}}{3^{2n}}
The answer is zero. All I can do is turn this infinity/infinity...

Oct1804 11:30 PM
Tide

10 
1,814 
A hemisphere shaped tank with vertical outlet pipe is full of mysterious liquid. Find the work required to pump the...

Nov2610 09:07 AM
HallsofIvy

1 
1,814 
So if you have a countably infinite set \{ x_n \} and consider also the sequence (x_n), what's the relationship...

Jul1911 04:54 PM
sponsoredwalk

4 
1,814 
Thoughts:
V=\frac{1}{3}\pi r^{2}h=\frac{1}{3}\pi (\frac{4}{5}h)^{2}h
\frac{dV}{dt}=\frac{16}{25}\pi...

May605 08:45 AM
kleinwolf

1 
1,813 
I'm having trouble following the proof of the IFT by Spivak. The statement of the theorem was posted in a similar...

Feb2711 11:02 AM
jambaugh

1 
1,813 
I have attached a pdf of output from MAPLE attempting to evaluate an integral of an exponential function containing a...

Jan1910 01:36 PM
tsunamiBTP

3 
1,811 
I'm trying to find the partial derivative of Q with respect to w0 and then set it equal to 0 and solve for w0. Finding...

Mar1411 04:00 PM
bpk356

1 
1,811 
so I have a semi circle that goes from
\frac{5\pi}{4} to \frac{\pi}{4}
so the angle between the x axis the...

Nov1209 09:37 AM
LumenPlacidum

1 
1,810 
What restrictions must we place on a realvalued function F for
F(x) = \frac{d}{dx} \int_a^x F'(y)dy
to...

Mar2210 02:46 AM
snipez90

3 
1,810 