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Jun1-13 07:36 PM Fredrik 
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Mar10-14 04:45 PM mfb 

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General Math

- Math topics not applicable to the categories below. High-school Math
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Please post any and all homework or other textbook-style problems in one of the Homework & Coursework Questions...
Feb23-13 09:23 AM
1 33,237
I found in the wiki a definition for the max of 2 numbers:...
T 02:21 AM
3 88
Just curious, but the use of matrices isn't readily obvious to me, and I was wondering what a typical use would be?
T 02:20 AM
4 116
I apologize if this is the wrong section This is an integral written with the first 7 digits of pi, reversed, I...
Y 11:56 PM
2 86
Thanks in advance! I have problem that is causing me a headache to no end. In a cylinder, if one knows the total...
Y 06:49 PM
4 49
Hi I have two sets of data, y as a function of x, for two different experiments. Y is the dependant variable, an...
Y 06:21 PM
3 118
Why do I feel like I am about to be fed to a pack of hungry wolves? I take it as a foregone conclusion that anyone who...
Y 06:20 PM
14 416
Conic sections are formed when a plane cuts a double cone, i.e. two cones placed tip to tip along the same axis. A...
Y 04:28 PM
3 84
Let there be a triangle with coordinates A(2,2) , B(5,2) and C(5,4) I have learned two ways to shear an object(x-axis...
Y 04:21 AM
0 94
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What is the maximum number of roots of a multivariate polynomial over a field? Is there a multivariate version of the...
Apr21-14 09:48 PM
2 145
I have a Gaussian distribution about t, say, N(t; μ, σ), and a a Dirac Delta Function δ(t). Then how can I compute:...
Apr21-14 06:31 PM
4 182
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i.e., does the set of functions of the form, \{ x^{\frac{n}{m}}\}_{n=0}^{\infty} for some fixed m produce a...
Apr21-14 02:19 PM
1 120
Cross product is used to find the perpendicular vector of two vectors. If there is any two vectors in a plane then...
Apr21-14 10:13 AM
4 201
Can anyone give me a good definition of Euler's number and its significance. I see it everywhere, it's prolific in...
Apr21-14 09:16 AM
7 291
the sequence: 1,1,2,1,1,2,1,1,3,1,1,2,1,1,2,1,1,3,1,1,2,1,1,2,1,1,4,...
Apr21-14 05:55 AM
2 138
A periodic function is one that ##f(\theta) = f(\theta + nT)##, by definition. However, the argument ##\theta## can be...
Apr20-14 08:33 PM
3 155
I'm finding it hard to find the solutions to this cubic equation: 1/2 x^3 - 2.025647693*10^14 x^2 +...
Apr20-14 08:11 PM
3 323
Dear everyone, I would like to know which one of the meter or the mile is used to send objects in the space please?...
Apr20-14 03:56 PM
2 141
I'm writing a piece of code and I want to simplify a bunch of if/else statements. I need...
Apr20-14 02:09 PM
21 427
Is possible to rewrite the quadratic, cubic and quartic determinant in terms of matrices and matrix operations (trace...
Apr20-14 12:37 AM
4 232
Why variables (RHS) in directly proportionality are always multiplied. Suppose the newton 2nd law ...
Apr19-14 07:34 PM
17 284
Let M=Men, D=Days, H=Hours, η=efficiency, W=Work ##MDH \propto W## ##MDH = kW## ## \frac {MDH}{W} = k## ...
Apr19-14 10:58 AM
10 326
Commonly I see ##\sin(\omega t + k x)## I ask myself, if ωt is equal to θ thus kx is equal to what?? Also, the...
Apr18-14 11:02 PM
10 324
Whenever I'm on math class I've noticed that often professors, and in my online class the videos and examples all seem...
Apr18-14 03:27 PM
5 189
Given Cartesian (x,y,z), Spherical (r,\theta,\phi) and parabolic (\varepsilon , \eta , \phi ), where \varepsilon =...
Apr18-14 04:22 AM
0 155
Hello. So, I am building a camera and have ran into a problem that I feel could be solved with a semi-simple...
Apr17-14 12:59 PM
6 244
I have been wondering: Given an arbitrary geometric shape is there a sequence of tests I can perform on individual...
Apr17-14 11:35 AM
7 992
In my previous two math classes I'd get the answer wrong if I put the number first then the variable as my answer. Now...
Apr16-14 11:48 PM
18 419
Hello, this isn't a homework problem, so i'm hoping it's okay to post here. I would like to know the correct way...
Apr16-14 09:02 AM
5 247
Guys, I may need your help. There is a question saying that how to solve the cubic function in general form, which...
Apr16-14 05:56 AM
4 302
I was studying the dot product, and it says that (a.b).c makes no sense. so if you do (a.b) can = to β and then is...
Apr16-14 05:46 AM
8 295
Who may help me with this question? Thanks. Log10(x)^log10(log10X)=10000
Apr15-14 07:43 PM
3 226
This thread does justice to a question put forth online several times and, as far as I can tell is only answered in...
Apr15-14 10:44 AM
8 254
If ##y=x^4##, so x is equal to ##\pm \sqrt{y}## or x is equal to ##\pm \sqrt{\pm \sqrt{y}}## ? Well, I think that x...
Apr15-14 09:54 AM
5 269
If I want to discuss Black–Scholes formula, where should I post?
Apr14-14 11:52 PM
1 226
Ok! So I know Newton and Leibniz invented Calculus independently and today a major part of maths requires calculus....
Apr14-14 12:54 PM
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Hello may i know when to dot product and cross product?? both look to same to me..
Apr14-14 10:51 AM
2 269
It's been a while since I've dealt with sequences and series. Here is my explanation of sequences and series and let...
Apr14-14 09:44 AM
5 328
Guys, waterloo contest is coming in next week, do you guys prepare for it?
Apr13-14 06:17 PM
1 225

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