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Calculus

- Elementary functions. Calculating limits, derivatives and integrals. Optimization problems
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Please post any and all homework or other textbook-style problems in one of the Homework & Coursework Questions...
Feb23-13 09:24 AM
micromass
1 40,001
let,s suppose we have the equality: f(x)g(x)=H(x) now we have that f(x) and H(x) have no Mellin transform..then...
Jul12-05 04:26 AM
eljose
2 942
FIRST What is the HIGHEST root? If there is a highest root, are there available any LOWEST root? Say, what is the...
Oct1-07 09:55 AM
HallsofIvy
6 1,629
let I be an interval in R, let f: I --> R and let c belong to I. suppose there exists a constant K and L such that...
Mar9-05 04:50 AM
matt grime
1 1,450
I am completely self taught in Calculus, but I would like to have a better understanding of it before I go to College....
Nov27-13 02:41 AM
SteamKing
5 527
Given two points in 3D, is there a way to find the slope of that line.
Jul29-12 03:46 PM
HallsofIvy
3 772
Hi. How do we argue that \nabla^2\frac{1}{r} is a three dimensional delta function? I have seen some people do it...
Jul31-09 06:11 PM
daudaudaudau
5 2,046
i don't really understand the dirac delta function in 3D. is it right that integral of f(r)d3(r-a)dt = f(a) ...
Mar13-11 11:20 PM
quietrain
6 3,293
I have a nifty expression \frac{1}{r} = \frac{\rm{erf}(r/\alpha)}{r} + \frac{\rm{erfc}(r/\alpha)}{r} I can...
Nov24-10 09:28 AM
Morberticus
0 589
Hi, I'm pondering the relation for the surface integral of a membrane \sqrt{1+\nabla \psi \cdot \nabla \psi}...
Nov18-10 11:55 AM
maverick_starstrider
3 1,299
I am attempting to write a C++ routine that will take a rectangle cube 3"x 2"y 1"z and rotate it by 90 degrees at a...
Feb9-10 07:08 PM
Ya-Nvr-No
0 552
Hello everybody, I am studying a theorem and I want to convert a function of one variable into a function of two...
Oct18-10 07:27 AM
radou
3 856
I am having trouble getting started with this problem.. I guess I'll explain it first. Find one possible matrix A...
Apr30-05 11:15 AM
kleinwolf
1 2,095
Hey guys girls and thanks in advance (Sorry if this post is in the wrong area) Ive been working with splines in 2D...
Mar24-12 05:49 PM
Trenthan
0 727
Hello! I tried to develop equations of motion of system of wheels, where the first one with radius of r is rotated...
Apr8-12 08:31 AM
dodo
1 652
If I put these 2 lines in to wolframalpha.com it comes up with a solution x = 1 + 2t , y = 2 – t , z = t ; x = -2...
May21-11 11:41 AM
paulfr
2 695
Does a theorem exist for the derivation of a second or third derivative equation, without having to first derive the...
May22-05 06:14 PM
whozum
12 4,144
(note for editor; this is not a homework problem, this is bred out of my desire to visualize 3space) Hello fellows,...
Jan29-12 07:04 PM
20Tauri
12 2,088
So each of three formulas has three variables. I am trying to picture this geometrically as if it were position...
Jul28-08 02:25 PM
maze
3 1,991
I would just like to know what the 4 dimensional curl is? I believe it is a matrix but I am not completely sure. ...
May14-12 08:48 AM
dextercioby
6 1,756
Hi guys :) Dont know mutch about statistics and i thought some of you might be able to help. I hope i am not off...
Jan14-13 06:09 PM
elisaanalysis
9 37,069
x = r1cos(omegat) + r2cos(2omegat) y= r1 sin (omegat) + r2 sin (2omegat) 1) Is this the equation of the graph of...
Sep19-06 10:23 AM
Duhoc
10 1,254
It has been at least 5 years since my last math class and I am kinda struggling. The question is: Use the...
Sep9-04 06:26 AM
HallsofIvy
4 768
The qeustion was what is the 50th dy/dx of F(x)=Cos(2x) this is what i did 1st------dy/dx=-2Sin(2x)...
Jul17-04 09:48 AM
Galileo
4 2,919
Hello ppl, I'm trying to solve these 6 improper integrals using calculus of residues. OK, I have actually got 7...
Apr26-07 09:32 AM
Eighty
4 1,598
hi, im trying to find out how to get the inverse of the series 1/1+1/2+1/3+1/4.... i know the output of 30 is...
Jun12-08 09:28 AM
shintashi
5 2,712
Here is the question: At what point does the curve y=e^(32x) have maximum curvature? I have tried this method:...
Feb11-12 06:38 PM
Redbelly98
11 1,680
I have a question about a "game" I've thought up and I want to know if my logic is right, because if I'm wrong I fear...
Sep23-12 01:52 PM
dumbQuestion
0 772
Here is the problem: Suppose that g is a diffeomorphism on R^n. Then we know that its jacobian matrix is everywhere...
Apr14-08 07:57 AM
ObsessiveMathsFreak
4 1,853
Are there any natural number solutions for A + B + C + D = A x B x C x D besides {1, 1, 2, 4}? What class...
Mar26-08 03:47 AM
NickAlger
8 6,119
I'm a researcher of telecommunications. I was stumped by calculation of an integral when doing some proof. Would...
Feb25-09 05:32 AM
leverrier
0 1,056
Thought someone might enjoy this: I'm working through my multivariable calc textbook but got stumped for a bit by...
May19-10 01:58 AM
bignum
10 8,367
I am not sure where to post this question, but I found this site through a google search. I ran across an equation...
Jun7-12 12:26 PM
AlephZero
1 728
Okay, I am new to calculus so can you guys just explain something to me. What is exactly are you doing to a...
Jul29-10 01:30 PM
zeromodz
12 1,732
How would I show that the series whose terms are given by (cos n)/(1+n) does not converge absolutely? Thanks so much!
Nov26-06 03:29 PM
d_leet
5 1,292
By definition, the sum of any two vectors of a vector space will be a vector in the same vector space. But does this...
Feb17-10 05:55 AM
bpet
3 1,148
Hello, This is my first post and I must emphasise that I do not have a science/maths training background and this...
Aug8-13 10:44 AM
anja.ende
2 488
Does anyone have an idea to solve this seri ,containing the bessel function of first kind?
Aug5-10 11:27 AM
mrtnoshad
0 567
I don't understand this point: Given the open set E = U_(a in L) I_a. Union of open intervals We're showing this...
Mar9-11 10:57 PM
chiro
4 1,001
"Define a * b, for a,b \in R by a * b = ab+a+b. What we just have done is defined a new operation *, in terms of the...
Aug12-08 06:33 PM
Mute
11 1,530
Could someone please give me a basic idea on the following : a) Use of linear interpolation . the Newton Raphson...
Apr20-06 10:57 PM
sparsh
6 1,189

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