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

Feb2313 09:24 AM
micromass

1 
46,579 
Complex analysis: Let J_n (z) be the Bessel function for a positive integer n of order n. Verify?
J_n1 (z) + J_n+1...

Apr806 05:02 AM
Orion1

1 
1,008 
I think I have misunderstood one of the theorems in complex analysis
(k reperesents the order of the derivative)
...

Apr706 01:39 PM
leach

1 
1,886 
I was asked to use antiderivative to evaluate the integral of z^(1/2) dz , over contour C1. for which the intergrand...

Apr706 10:25 AM
leach

1 
1,638 
Dear all,
I come across to a simplelooking ineqality. But I cann't prove it for quite a long time. Could any body...

Apr706 05:11 AM
phonic

2 
1,225 
Hi All,
I need help to either ( in page 5 )
1) solve equation 30
2) write a program to tabulate the results in a...

Apr706 02:57 AM
dextercioby

5 
1,813 
Let x \in \mathbb{R}^n and
u_0>0, \qquad \int\limits_\Omega u_0(x) dx =1, \qquad E(t)=\int\limits_\Omega...

Apr606 10:56 AM
ReyChiquito

3 
1,775 
so there is a power series
S 4^n z^(3n)
and upper limit being infinity and lower limit being 0. (S means sigma)
...

Apr606 01:45 AM
Galileo

6 
3,381 
Suppose
lim (when n > oo) of sup {f(x) / x belongs to (0, 1/n) } = L_1, and
lim (when e > 0+) of sup...

Apr506 03:56 PM
Castilla

1 
5,774 
dy/dt = ky, where k is a constant.
yt=0 = 1; yt=10 = 4
I need to approximate k using the shooting method and...

Apr406 07:55 AM
HallsofIvy

1 
4,345 
Hello,
I was trying recently to find a derivative of a zeta function but finally I failed. Can anyone show me a way...

Apr306 12:20 AM
shmoe

2 
3,766 
Here's an interesting way to look at CR I feel is often overlooked:
Let:
z = x + i y
z^{\ast} = x  i y
One...

Apr206 04:06 AM
kryptyk

8 
1,483 
Hi there,
I'm reading over a section in my statics text that describes an analysis of a cable with a distributed...

Mar3006 09:45 PM
traianus

4 
1,100 
Does anyone know an equation for an ellipse (or other conics) in intrinsic coordinates, that is direction and curve...

Mar3006 01:35 PM
traianus

1 
1,959 
I'm getting this sum in the statistical mechanics for the rotating energy, any one can help with?
Z_r =...

Mar2906 10:10 PM
Physics Monkey

5 
1,049 
I need some help. I fitted a 7th order legendre polynomial and got the L0 to L7 coefficients for different ANOVA...

Mar2906 06:27 PM
kryptyk

1 
5,262 
I am trying to understand how the CauchyGoursat theorem of complex analysis differs from the usual conditions for...

Mar2906 06:01 PM
kryptyk

5 
2,083 
can roots be at the same points as POI's? because when I set my original equation to zero and I set my second...

Mar2906 01:17 AM
Tom Mattson

3 
919 
While most students of vector analysis are no doubt familiar with grad, div, and curl, geometric algebra provides a...

Mar2806 02:01 PM
garrett

10 
3,622 
some body who can explain for me the Legndre polynomials:eek: :eek:

Mar2806 12:04 PM
romant61

3 
2,271 
Hello, I have a "simple" problem for you guys. I am not expert in math and so try to be simple.
I explain the...

Mar2806 11:59 AM
traianus

9 
3,682 
I'm reading Advanced Calculus by Wilfred Kaplan 1952. He is demonstrating how to find the decomposition of the...

Mar2706 08:49 AM
arildno

3 
3,649 
I found this functional equation for the Riemann zeta function in Table of Higher Functions, 6th ed. by Jahnke, Emde,...

Mar2706 08:36 AM
benorin

2 
1,288 
cos(x/2)/2 is my derivative. and when I set it equal to 0, i try to solve for x.
so cos(x/2)/2=0
cos(x/2)=0/2 this...

Mar2706 03:58 AM
frenkie

14 
1,197 
I'm having trouble with this for some reason. If A:\mathcal{H}\to \mathcal{H} is a bounded operator between Hilbert...

Mar2706 02:07 AM
benorin

6 
1,545 
Let,s suppose we have the asymptotyc development of the integral:
\int_{x}^{\infty}F(t)=g(x)
where a,b,c,.....

Mar2506 10:26 AM
matt grime

3 
1,845 
Took a test in my Analysis class today. One question asked us to prove that the set of Irrational numbers was a Borel...

Mar2306 11:44 AM
AKG

3 
4,375 
** disclaimer  not homework ** =)
Is the following correct?
I have a simple series RL circuit with a square...

Mar2306 02:35 AM
Tide

3 
1,614 
Let be the integral:
\int_{a}^{x}dtF(t)/t (1)
Let,s suppose we can find a divergent asymptotic series for...

Mar2206 01:27 AM
ReyChiquito

1 
1,241 
Please anyone out there, I need your assistance. I am trying to follow the Lebesgue differentiation theorem in Riesz &...

Mar2106 05:25 PM
Castilla

16 
3,320 
Let,s suppose we have the integral:
\int_{\infty}^{\infty}dxF(x)
but unfortunately we have a problem..the...

Mar2106 11:36 AM
eljose

3 
1,215 
I was wondering if one of the approaches to proving the RH involves limits of mobius transformations of the zeta...

Mar2106 10:17 AM
shmoe

5 
1,203 
Hello it has been more than three months since i don,t post now here are my questions...:rolleyes: :rolleyes:...

Mar2106 05:56 AM
eljose

5 
1,893 
i need to mark statements below true or false and justify.
a) every nonempty finite set is compact.
since a finite...

Mar2006 09:53 PM
leon1127

5 
2,149 
In vector analysis, it is possible to express the \nabla operator in terms of a frame\{\mathbf{e}_1, \mathbf{e}_2,...

Mar2006 02:01 PM
kryptyk

0 
4,000 
For some reason I just have a problem with these types of integrals..if someone could show me how to do one it would...

Mar2006 07:10 AM
VietDao29

2 
981 
Is asymptote the visualization of limit?

Mar2006 06:28 AM
HallsofIvy

3 
1,165 
Say for example, to differentiate x/(x²+1) I would use to quotient rule. However, would it be legal to bring up the...

Mar1906 11:06 PM
leon1127

3 
4,962 
what is the proper method for finding the average of an integral? For example, the question I'm trying to answer is...

Mar1906 10:48 PM
Flatland

5 
1,912 
Can someone break down these theorems for me please because my book is horrible at explaining them. The examples the...

Mar1906 10:31 PM
mathwonk

30 
3,288 
I have a nonhomogeneous DE and wants to find the particular solution for Asin(x)sin(t)
Is there any tips in using...

Mar1906 07:42 PM
overseastar

4 
2,059 