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- Elementary functions. Calculating limits, derivatives and integrals. Optimization problems
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Jan16-12 Greg Bernhardt
Please post any and all homework or other textbook-style problems in one of the Homework & Coursework Questions...
Feb23-13 09:24 AM
1 46,287
How might one evaluate an integral equation like the following: I = lim k-> 0+ {ClosedContourIntegral around y },...
Aug21-06 01:56 PM
6 3,085
hello could someone give me a pointer here. this integral ∫ln(x + c)dx my guess is, by integration by parts...
Aug21-06 09:49 PM
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) =...
Aug22-06 04:48 AM
3 1,077
Why is 1^ \infty . undefined?
Aug24-06 07:40 PM
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...
Aug25-06 05:44 AM
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
Aug25-06 06:18 AM
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...
Aug25-06 02:14 PM
1 4,346
If we have the next Lambert series: S(x)= \sum_{n=0}^{\infty} \frac{ a(n) x^n }{1-x^n } my question is..if...
Aug25-06 05:17 PM
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...
Aug25-06 07:40 PM
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...
Aug26-06 05:30 AM
4 1,634
Hi ALL, Has anyone done some recent (or previous) work on Independent Component Analysis (ICA) and Principal...
Aug26-06 09:36 AM
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...
Aug26-06 08:00 PM
10 1,651
It's quite a "strange" thing..why people have so many difficulties with dealing with integrals of the form: \int...
Aug27-06 04:46 AM
17 4,693
Hi everybody, I have just started reading some things about generalised functions, and i have some question. The...
Aug27-06 09:49 AM
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...
Aug27-06 11:58 PM
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...
Aug28-06 07:24 AM
2 2,057 What does this sign mean. I know its an integral...
Aug28-06 07:17 PM
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...
Aug28-06 10:31 PM
4 8,042
Aug28-06 10:55 PM
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}...
Aug29-06 02:29 AM
0 975
Hi everybody, I have a question concerning limits of 2-variable real functions and complex functions of 1...
Aug31-06 04:08 AM
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...
Sep1-06 04:49 AM
10 1,391
Please, can you give me some hints about this? Here is a proof of the inverse function theorem. 1. After the...
Sep1-06 10:34 PM
16 3,245
I need to find the integral of the following using integration by recognition:...
Sep2-06 08:50 PM
10 6,212
Please help! How do I do this problem? Using the method of cylindrical shells, find the volume generated by...
Sep4-06 01:00 AM
2 7,402
I'm having problems with fundementals of partial derivatives. I've looked around for something like "partial...
Sep5-06 05:10 AM
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 +...
Sep5-06 10:33 AM
6 6,882
Let be the integrals: \int_{-\infty}^{\infty}dx Cos(uf(x)) (or the same but a sine) and ...
Sep6-06 01:09 PM
2 796
This is for my Circuits class, I am supposed to find the current i. If q = 5te^(-10^(3) t) Coulombs Find...
Sep6-06 05:34 PM
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...
Sep7-06 03:12 AM
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...
Sep8-06 02:10 PM
9 1,581
Consider an exponential tower of three thousand 7's. What is the remainder when you divide the tower by 11? Note...
Sep8-06 03:22 PM
6 2,172
Does anyone know of resources about Morse Theory online? I'm looking for an introductory text.
Sep9-06 09:01 AM
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...
Sep10-06 09:05 AM
1 1,793 Please check my answers a) I know that e^x^3 > 0 and for all x ∈ , so we have...
Sep10-06 10:16 AM
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...
Sep10-06 03:55 PM
2 974
If we define the derivative of arbitrary order by...(taking the limit h-->0 ) \frac{d^{q}}{dx^{q}}\rightarrow...
Sep11-06 02:27 PM
0 686
Hello my question is if there exist an analogue of "complex calculus" for complex numbers but using "quaternions"
Sep11-06 03:58 PM
2 2,202
We have the defintion (taking the limit) for hte derivative: \frac{f(x)-f(a)}{x-a} for an Euclidean Space... ...
Sep11-06 04:13 PM
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...
Sep12-06 05:16 AM
5 5,769

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