content string | quality_label int64 | meta string | all-MiniLM-L6-v2_embedding list | doc_id int64 | unique_id string |
|---|---|---|---|---|---|
A New Multipath Mitigation Method for GNSS Receivers Based on an Antenna Array
International Journal of Navigation and Observation
Volume 2012 (2012), Article ID 804732, 11 pages
http://dx.doi.org/10.1155/2012/804732
Research Article
A New Multipath Mitigation Method for GNSS Receivers Based on an Antenna Array
^1CN... | 4 | [
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99 questions/54A to 60
From HaskellWiki
< 99 questions
(Difference between revisions)
(move data definition into 54A) (→Problem 60)
New... | 5 | [
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logarithmic half life question
October 25th 2009, 01:23 PM #1
Newbie
Joined
Oct 2009
Posts
2
logarithmic half life question
Hi I'm new to this site so sorry if I've posted this in the wrong area, although this is part of my math12 curriculum.
If a 200g substance decays to 17g in 28 days, determine t... | 4 | [
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-0.06494140625... | 21,802 | 21802 | |
Cooling Intensification of a Continuously Moving Stretching Surface Using Different Types of Nanofluids
Journal of Applied Mathematics
Volume 2012 (2012), Article ID 581471, 11 pages
http://dx.doi.org/10.1155/2012/581471
Research Article
Cooling Intensification of a Continuously Moving Stretching Surface Using Differ... | 4 | [
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Math Help
November 29th 2006, 02:19 PM #1
Junior Member
Joined
Oct 2005
Posts
37
Hey guys,
Can you help me answer this question?
*Find the equation, in vertex form, of the quadratic realtion with zeors at -2 and 8 and y-intercept of 8.
Thanks
You want the form:
$y = a(x - h)^2 + k$
... | 4 | [
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Simple Probabilities Plz Help
April 23rd 2008, 02:14 PM #1
Newbie
Joined
Apr 2008
Posts
19
Simple Probabilities Plz Help
Hey,
Can someone plz answer the following questions and provide explanation.
1. P(E)=0.25 and 20 outcomes make up event E. Determine the number of outcomes?
2. There are... | 4 | [
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[SOLVED] Abstract Algebra: Integers Modulo n 2
February 15th 2008, 01:42 PM #1
[SOLVED] Abstract Algebra: Integers Modulo n 2
Hallo,
Me again. Here's the last of four questions I have for today. (I'll probably asking some questions about Set Theory soon, but not today).
Again, this is a homework problem... | 5 | [
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0.0400390625,
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quadratic congruences
x^2=14(mod p) where p is prime. Given: solution exists or basically, a^((p-1)/2)=1 (mod p). Find values of p.
(2/p)=(7/p)=1 or (2/p)=(7/p)=-1 Hmm. would that mean 1=2^((p-1)/2) mod p 1=7^((p-1)/2) mod p or -1=2^((p-1)/2) mod p -1=7^((p-1)/2) mod p ? Wouldn't that exist for all odd prime values of... | 5 | [
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Componets of vectors
August 27th 2007, 02:45 AM #1
Componets of vectors
Let the angle $\theta$ be the angle that the vector $\vec{A}$ makes with the +x-axis, measured counterclockwise from that axis. Find the angle $\theta$ for a vector that has the following
components.
First one is $A_{x}=$1.30 m, $A_{... | 4 | [
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0.02880859375... | 21,808 | 21808 | |
A Fuzzy Approach to Robust Control of Stochastic Nonaffine Nonlinear Systems
Mathematical Problems in Engineering
Volume 2012 (2012), Article ID 439805, 17 pages
http://dx.doi.org/10.1155/2012/439805
Research Article
A Fuzzy Approach to Robust Control of Stochastic Nonaffine Nonlinear Systems
^1School of Reliability... | 4 | [
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Patent US5960339 - Analog-to-digital transition: selecting the optimal cellular radio mix
FIELD OF THE INVENTION
This invention relates to wireless communication systems and in particular cellular telephone systems in which both dual-mode mobiles (e.g., analog and digital) and analog mobiles are served within a
common... | 4 | [
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Finding Intersection of Parametric Equation and Axis
March 31st 2010, 02:41 AM #1
Newbie
Joined
Mar 2010
Posts
7
Finding Intersection of Parametric Equation and Axis
Hi, I've been trying to learn the C4 paper ahead of schedule and have gotten down to one last question I can't quite get.
Q5) A curve ... | 5 | [
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Can someone help me with a few calculus problems?
August 12th 2010, 08:40 PM #1
Newbie
Joined
Aug 2010
Posts
1
Can someone help me with a few calculus problems?
1.The volume of a cube is increasing at 120 cubic centimeters per minute at the instant when its edges are 8 cm. At what rate are the edge lengt... | 5 | [
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probability generating function of a poisson random variable
June 1st 2007, 06:24 AM #1
Member
Joined
Nov 2006
Posts
136
probability generating function of a poisson random variable
i should start by asking is anyone on the forum well versed in the coalescent theory?
i have a problem in a derivation... | 5 | [
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-Valued Functions on Random Normed Modules
Journal of Function Spaces and Applications
Volume 2013 (2013), Article ID 704251, 10 pages
http://dx.doi.org/10.1155/2013/704251
Research Article
A Minimax Theorem for -Valued Functions on Random Normed Modules
^1Elementary Educational College, Capital Normal University, B... | 4 | [
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Polynomial Congruences
How do you find all the solutions of the congruence 7x^2-41x+48=0(mod333)
Multiplying the congruence by 28 gives $196x^2-1148x+1344\equiv0\,(\bmod{}\,333).$ Note that $\gcd(28,333)=1$ and so the second congruence implies the first as well: i.e. $7x^2-41x+48\equiv0\,(\bmod
{}\,333)\ \iff\ 196x^2-... | 5 | [
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Math Help
September 29th 2009, 11:14 PM #1
Member
Joined
Jul 2008
From
Sofia, Bulgaria
Posts
75
IVP
Hello there!
I'm having some trouble with the existence and uniqueness (E&U) thms for ODEs:
Consider the IVP:
$x'(t)=f(t,x(t)),f(\xi)=\eta$
In order to use some Existence and Uniqu... | 5 | [
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On the Second Order of Accuracy Stable Implicit Difference Scheme for Elliptic-Parabolic Equations
Abstract and Applied Analysis
Volume 2012 (2012), Article ID 230190, 13 pages
http://dx.doi.org/10.1155/2012/230190
Research Article
On the Second Order of Accuracy Stable Implicit Difference Scheme for Elliptic-Parabol... | 5 | [
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The Dynamic Programming Method of Stochastic Differential Game for Functional Forward-Backward Stochastic System
Mathematical Problems in Engineering
Volume 2013 (2013), Article ID 958920, 14 pages
http://dx.doi.org/10.1155/2013/958920
Research Article
The Dynamic Programming Method of Stochastic Differential Game fo... | 4 | [
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Patent US8056043 - Capacitance modeling
RELATED APPLICATIONS
This application is a continuation of U.S. application Ser. No. 11/123,806, filed May 26, 2005.
TECHNICAL FIELD
The present invention relates to the field of modeling capacitance. In particular, the invention relates to modeling capacitance in integrated c... | 4 | [
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Fractional Exponents, functions
September 16th 2008, 03:34 PM
rafaeli
Fractional Exponents, functions
A bacteria culture starts with 500 bacteria and doubles in size every 30 minutes. Graph the population function and estimate the time for the population to reach 20,000.
So far I did 20,000/500 = 2^(x/30)
... | 4 | [
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Proof with sets
May 8th 2008, 12:06 AM #1
Newbie
Joined
May 2008
Posts
2
Proof with sets
I have to finish this proof.
Let $S$ and $T$ be sets.
Let $S\oplus T$ be the symmetric difference of those sets.
THM: $\forall ~\mbox{sets} ~ A,B,C, ~\mbox{if}~ A \oplus C = B\oplus C,~\mbox{then}~A=B$... | 4 | [
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Problem with Integrating Factor
January 24th 2011, 02:52 AM #1
Member
Joined
Sep 2008
Posts
95
Problem with Integrating Factor
I'm trying to solve the differential equation dy/dx + (2-3x^2)(x^-3)y = 1. I've integrated (2-3x^2)(x^-3) and taken the exponential of this to give an integrating factor of (x^-3... | 5 | [
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... | 21,822 | 21822 | |
Find the value R
September 12th 2012, 09:25 AM
alexander9408
Find the value R
Given that the two equations:
R sin〖60°〗=10 sin〖θ°〗+v
R cos〖60°〗=10 cos〖θ°〗
How do I get the value R ? Please show me how to do it. Thanks.
September 12th 2012, 09:32 AM
kalyanram
Re: Find the value R
Is $\thet... | 5 | [
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High-Order Dimension Synthesis of Planar/Spatial Mechanisms with One-DoF by CAD Variational Geometry
Modelling and Simulation in Engineering
Volume 2012 (2012), Article ID 501251, 9 pages
http://dx.doi.org/10.1155/2012/501251
Research Article
High-Order Dimension Synthesis of Planar/Spatial Mechanisms with One-DoF by... | 5 | [
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Patent US20070293981 - Mail processing system
BACKGROUND
The disclosed embodiments relate to a mail processing system in which the functionality of a mailroom is assessed to evaluate whether an estimated group of mail pieces can be delivered to a preset
number of mailboxes in a timely manner.
A typical business entit... | 4 | [
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Statistics: Consistent Estimators
February 18th 2009, 01:36 PM #1
Senior Member
Joined
Jan 2009
Posts
404
Statistics: Consistent Estimators
1) Theorem:
An asymptotically unbiased estimator 'theta hat' for 'theta' is a consistent estimator of 'theta' IF
lim Var(theta hat) = 0
n->inf
Now m... | 5 | [
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Complex number question
March 11th 2011, 06:08 PM #1
Senior Member
Joined
Apr 2010
Posts
487
Complex number question
The question:
Suppose both c and $(1 + ic)^5$ are real (c != 0). Show that c = $\pm \sqrt{5 \pm 2\sqrt{5}}$
How do I solve this? I substituted the value of c into the complex numb... | 4 | [
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0.10888671875,
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0.0... | 21,827 | 21827 | |
Proving that sigma_k(n) is odd if n is a square or double a square
November 23rd 2009, 08:55 PM #1
Newbie
Joined
Nov 2009
Posts
15
Proving that sigma_k(n) is odd if n is a square or double a square
If the integer $k \geq 1$, prove that $\sigma_k(n)$ is odd if and only if $n$ is a square or double a squar... | 4 | [
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Mixture Problem (differential equations)
Jelfish
You actually have the right answer, but to the wrong problem. Your answer is in pounds, but the question is asking for concentration.
No, the problem asked two things: the amount of salt in the tank
and
the concentration.
Beez, I did the problem solving the d.e. sli... | 5 | [
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Is there a way to classify incompressible surfaces in $\Sigma \times [0,1]$ ?
up vote 6 down vote favorite
Is there a way to classify incompressible surfaces in $\Sigma \times [0,1]$ where $\Sigma$ is any closed surface? I know of the Hatcher-Thurston classification of incompressible surfaces in 2-bridge
knot exterior... | 4 | [
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[SOLVED] Difference of cubes
Hello,That's the sum of cubes Well, well... The formula is $x^3+y^3=(x+y)(x^2-xy+y^2)$ If you cant remember it, start from $(x+y)^3$ and develop it Solving for it... ? Not impossible. Note that $208=
2^4*13$ Since x and y are natural numbers, $x+y>0$ and $x^2-xy+y^2>0$ are integers. So the ... | 4 | [
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Patent US7570689 - Advanced receiver with sliding window block linear equalizer
CROSS REFERENCE TO RELATED APPLICATIONS
This application claims the benefit of U.S. provisional application No. 60/652,790 filed Feb. 14, 2005 and U.S. provisional application No. 60/696,922 filed Jul. 6, 2005, which are incorporated by
re... | 4 | [
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0.0546875,... | 21,832 | 21832 | |
Related Rates #2
October 8th 2007, 03:20 AM #1
Junior Member
Joined
Oct 2007
Posts
40
Related Rates #2
I was asked to make a new thread for each problem, so this is thread 2
2) A balloon is rising vertically above a level, straight road at a constant rate of 1 ft/sec. Just when the balloon is 65 fee... | 5 | [
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finding x intercept and completing the square
August 9th 2008, 01:11 AM #1
find x-intercepts
y=(x-1)squared + 2
y= (x+1)squared -1
completing the square
2xsquare -4x +1 =0
3xsquare - 5x -2=0
thank you
Put y=0 and obtian the values of x
2) 2x^2-4x+1=0
divd both sides by 2
... | 4 | [
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-... | 21,834 | 21834 | |
Multibandwidth Kernel-Based Object Tracking
Advances in Artificial Intelligence
Volume 2010 (2010), Article ID 175603, 15 pages
http://dx.doi.org/10.1155/2010/175603
Research Article
Multibandwidth Kernel-Based Object Tracking
Department of Electrical and Robotics Engineering, Shahrood University of Technology, Shah... | 4 | [
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Brevet US20030073890 - Plethysmographic signal processing method and system
FIELD OF THE INVENTION
[0001] The present invention relates generally to the non-invasive determination of patient heart rates from plethysmographic signals, and more particularly to achieving improved signal-to-noise
ratios in plethysmographi... | 4 | [
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Probability Trouble
September 5th 2012, 12:15 AM
Mwayne95
Probability Trouble
So here's the problem:
A five-sided die has the numbers 1-5 on each side. What is the probability, after 6 rolls, of rolling a 1 or a 2 four times only?
I could do the problem if:
It only dealt with one side of the die i... | 4 | [
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Is a countable union/intersection of sigma-algebra also a sigma-algebra?
February 4th 2011, 07:31 AM
Last_Singularity
Is a countable union/intersection of sigma-algebra also a sigma-algebra?
Suppose that I have a set $\Omega$ over which I define a collection of $\sigma$-algebra: $\{\beta_i\}$; that is, each $\be... | 4 | [
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Physics Forums - Integrals of normal derivatives
Integrals of normal derivatives
Hi can someone please help me out with the following questions?
Supposed that [itex]\phi [/itex] is a C^2 function which satisfies Laplace's equation [itex]\nabla ^2 \phi = \nabla \bullet \nabla \phi = 0[/itex] everywhere in a region ... | 4 | [
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I'm new and nned help with a theory prolem.
March 7th 2013, 03:37 PM
NicoleLee
I'm new and nned help with a theory prolem.
I'm taking a math theory class and am in over my head. I'm making it but am completely stumped by this question. "Jill asks each of her classmates to choose a number, then multiply the numbe... | 4 | [
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Differential for func of the general form y = (a+b)^(1/z)
September 4th 2010, 04:25 AM #1
Newbie
Joined
Sep 2010
Posts
1
Differential for func of the general form y = (a+b)^(1/z)
Hi,
I was wondering if someone could enlighten me as to how I would find the partial differential for:
$<br /> q = \l... | 4 | [
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Triple Integral - Volterra equation problem
December 8th 2010, 06:13 AM
ark600
Triple Integral - Volterra equation problem
Here's the problem:
y'''(x) = f(x) subject to the conditions y(0)=y(1)=y(2)=0.
Perform three integrations to show that a solution may be written
y(x) = $\int_{0}^{2}L(x,t)f(t... | 4 | [
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Subset Sum Problem
beretboy has asked for the wisdom of the Perl Monks concerning the following question:
This question is not perl specific, but I would like the help of the monks on it. I am dealing with a variant of a subset-sum problem, in which the set is a list of a number's proper divisors. The
goal is to find ... | 4 | [
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Patent US5671335 - Process optimization using a neural network
This application is a continuation of application Ser. No. 08/018,904, filed Feb. 8, 1993, now abandoned which is a continuation of application Ser. No. 07/704,766, filed May 23, 1991, now abandoned.
BACKGROUND OF THE INVENTION
1. Field of the Invention
... | 4 | [
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-0.0... | 21,844 | 21844 | |
Graphing helpppp...
November 15th 2006, 02:24 AM #1
Senior Member
Joined
Jul 2006
From
Shabu City
Posts
381
Graphing helpppp...
Find the intercepts, symmetries, domain, range and (vertical and horizontal) asymptotes. Also Sketch the graph:
$1.) y = \frac{1}{8}(x^3-4x)$
$2.) x^2(y^2-4) = 4$... | 4 | [
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Patent US3489004 - Navigational reference device
Jan. 13, 1970 D. H. BARNHILL ET AL 3,489,004
NAVIGATIONAL REFERENCE DEVICE Filed July 21, 1966 ATA 25 UOMTIC.
PILOT 2| 22 INVENTORS. DONALD H. BARNHILL ROBERT E. DOBRZYNSKI BY RICHARD J. ROSTAL ATTORNEY United States Patent 3,489,004 NAVIGATIONAL REFERENCE DEVICE Donal... | 4 | [
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-0.03515625,
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0.06640625,
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0.06591796875,
-0.016... | 21,846 | 21846 | |
The Hartree-Fock Method for Finding Self-Consistent Field Wave Functions for Multi-electron Atoms
┏━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┓
┃ ... | 4 | [
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... | 21,847 | 21847 | |
Solving Inequalities
January 13th 2008, 04:53 PM
Macleef
Solving Inequalities
How would you solve the following inequality algebraically?
$0.5(x + 2)^2 (x - 4) > 2x + 3$
Is it. . .
$0.5(x + 2)^2 (x - 4) - 2x + 3 > 0$
And use interval charts?
January 13th 2008, 08:07 PM
janvdl
Quote:
... | 4 | [
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-0... | 21,848 | 21848 | |
Chain rule w/ trigonometric function help
December 28th 2006, 02:29 AM #1
Senior Member
Joined
Jul 2006
From
Shabu City
Posts
381
Chain rule w/ trigonometric function help
find the derivative:
$\frac{d}{dx}(\cot^4 t -\csc^4 t)$
What did i do wrong?
$4(-\csc^2 t)^3 - 4(-\csc t\cot t)^3$
... | 5 | [
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0.01422119140625,
0.042724609375,
-0.011962890... | 21,849 | 21849 | |
newtons method
October 22nd 2009, 07:54 PM #1
Junior Member
Joined
Sep 2009
Posts
66
newtons method
Use Newton's method to approximate the root of the equation
x^3=113 x+226
that belongs to the interval (6,12 ).
Start with x0=12 and perform three iterations, i.e., find x1,x2, and x3.
... | 4 | [
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-0.04541015625,
-0.0088... | 21,850 | 21850 | |
Another differential equation problem
January 5th 2011, 12:03 AM
Glitch
Another differential equation problem
The question:
Solve the differential equation
$y\sqrt{2x^2 + 3}dy + x\sqrt{4 - y^2}dx = 0$
given that y = 1 when x = 0
My attempt:
$\int {\frac{y dy}{\sqrt{4 - y^2}}} = \int{\frac{... | 4 | [
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-0.044921875... | 21,851 | 21851 | |
FO Differential equations and account balance
fogvajarash
1. The problem statement, all variables and given/known data
a. Assume that y[o] dollars are deposited into an account paying r percent compounded continuously. If withdrawals are at an annual rate of 200t dollars (assume these are continuous), find the amoun... | 5 | [
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-0.00... | 21,852 | 21852 | |
finding logs in terms of another log
March 18th 2009, 10:48 AM #1
Newbie
Joined
Nov 2008
From
Chicago
Posts
16
I did several of these but am confused by this one.
let a= log2 5 and b= log3 2. Express the following in terms of a, b, or both.
log2 6=? and log5 3=?
cancel the first one, I ... | 4 | [
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Please help me with this sample test
February 28th 2007, 07:36 AM
jhonwashington
Please help me with this sample test
Hello everybody, could you please give me a hand with this sample test
1-form a polynomial whose zeros and degree are given
zeros : -1, 1, 3; degree 3
2-for the polynomial function... | 5 | [
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-0.11523... | 21,854 | 21854 | |
sec(t) =√2 cot(t) >0. Find all values of t in the interval [0,2)
August 21st 2012, 08:25 PM #1
Newbie
Joined
Aug 2012
From
Las Vegas, Nevada
Posts
2
sec(t) =√2 cot(t) >0. Find all values of t in the interval [0,2)
sec(t) = √2 cot(t) >0. Find all values of t in the interval [0,2).
I've been ... | 4 | [
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On Generalized Carleson Operators of Periodic
The Scientific World Journal
Volume 2013 (2013), Article ID 379861, 10 pages
http://dx.doi.org/10.1155/2013/379861
Research Article
On Generalized Carleson Operators of Periodic Wavelet Packet Expansions
Department of Mathematics, Faculty of Science, Banaras Hindu Unive... | 5 | [
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Patent US20100109945 - Loosely-coupled integration of global navigation satellite system and inertial navigation system: speed scale-factor and heading bias calibration
CROSS-REFERENCE TO RELATED APPLICATIONS
This application is a continuation-in-part part application claiming priority to U.S. patent application Ser. ... | 4 | [
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need help in solving exponents
June 29th 2007, 02:47 PM
lizard4
need help in solving exponents
what expression raised to the fourth power is 81?
x with exponent 12
y with exponent 8
z with exponent 12:)
June 29th 2007, 02:56 PM
Plato
June 29th 2007, 03:07 PM
Ilaggoodly
the 4th root of 81 is 3... | 4 | [
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0.0927734375,
0.03955078125,
0.080078125,
-0.068359375,
0.014221... | 21,858 | 21858 | |
Multiple-Set Split Feasibility Problems for Asymptotically Strict Pseudocontractions
Abstract and Applied Analysis
Volume 2012 (2012), Article ID 491760, 12 pages
http://dx.doi.org/10.1155/2012/491760
Research Article
Multiple-Set Split Feasibility Problems for Asymptotically Strict Pseudocontractions
^1College of S... | 5 | [
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-0.03125,
-0.00067901611328125,
-0.065917968... | 21,859 | 21859 | |
How to evaluate this limit?
November 24th 2012, 10:30 AM #1
How to evaluate this limit?
I need to evaluate the lim x->0 tan^2(x)/x
I can use any method to do this. I know the limit is zero but I wasn't sure what method I could use to evaluate this.
It could be re-written as:
(sinx/cosx)(sinx/cosx)/x... | 5 | [
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0.0732... | 21,860 | 21860 | |
Quadratic Formula & Slope of a line Question
February 26th 2009, 07:24 AM
Buckeye00
Quadratic Formula & Slope of a line Question
Hello, I have two questions that I can't figure out. I wanted to see if someone else can help me.
1.) Using the quadratic formula solve the following equation:
3x^2 -6x=5
... | 4 | [
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-0... | 21,861 | 21861 | |
Calculus: Differentiation
November 23rd 2012, 07:51 AM
Supreeth17
Calculus: Differentiation
I just started Calculus and here is a problem I just cannot seem to get the hold of:
"Use the relation 1/(a^2 - x^2) = 1/2a [1/(a+x) + 1/(a-x)] to find the nth derivative of 1/(a^2-x^2)
November 23rd 2012, 10:48 AM
... | 5 | [
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Patent US4102186 - Method and system for measuring flow rate
BACKGROUND OF THE INVENTION
This invention relates to fluid flow measurement and, more particularly, to a method and system for measuring fluid flow in cylindrical pipes.
Over the years, many methods and apparatus have been devised for the measurement of vo... | 4 | [
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0.0708007... | 21,863 | 21863 | |
Circuit Analysis
March 1st 2011, 12:16 PM #1
Member
Joined
Jan 2011
Posts
88
Circuit Analysis
I'd like to apologize for not finishing yesterday, as my computer was not cooperating. Anyways, he we go:
Consider the following circuit. Using superposition determine a) the magnitude and b) the direction ... | 5 | [
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0.012512207... | 21,864 | 21864 | |
Derivative of cos(ln(x))
November 10th 2011, 02:47 PM #1
Member
Joined
Sep 2009
Posts
162
Derivative of cos(ln(x))
My next question is how do you take the derivative of cos(lnx). This is what I do:
let u = lnx
f'(x) = u'(-sinu)
f'(x) = -1/x(sin(lnx))
When I check to see if I am write, I... | 5 | [
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Calculus Problem
1. March 8th 2006, 02:54 PM #1
2. March 9th 2006, 05:21 AM #2
a)
$<br /> g(4)=\frac{f(1)+f(2)}{2}\times1+\frac{f(2)+f(4)}{2 }\times 2=2.5<br />$
$<br /> g(-2)=\frac{f(1)+f(-2)}{2}\times (-3)=-6<br />$
3. March 9th 2006, 05:26 AM #3
b)
Form the funda... | 5 | [
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Haskell Quiz/Weird Numbers/Solution Bailey
From HaskellWiki
The implementation below isn't very efficient, apparently (the thread referred to in the comments talks about why not), or particularly fast, but it does work.
The heart of the solution is the is_weird function. It takes a number and determines if its weir... | 4 | [
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Entry Regulation under Asymmetric Information about Demand
Economics Research International
Volume 2010 (2010), Article ID 105049, 10 pages
http://dx.doi.org/10.1155/2010/105049
Research Article
Entry Regulation under Asymmetric Information about Demand
Centre for Economics and Finance (CEF.UP), Faculty of Economics... | 5 | [
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How to solve for x when it's in exponent?
To answer the basic question, "How to solve for x when it's in the exponent?":
You would need to isolate the x-term on one side of the equation, take the logarithm of both sides of the equation (any base, as long as they're the same), move x from exponent of a logarithm to
coe... | 4 | [
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0.056396484375... | 21,869 | 21869 | |
a very interesting probability question
July 10th 2008, 11:42 AM #1
Newbie
Joined
Jul 2008
Posts
5
a very interesting probability question
10 iid uniform random variables on (0,1) cut it to 11 intervals
find the expectation of the longest interval
answer involves harmonic series
can anybody ... | 5 | [
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Factoring and impossible equation!!!
(20b(squared)-11b-3) Sorry I don't know how to type the squared symbol...but thanks in advance!
$20b^2 - 11b - 3$ Multiply the coefficient of the leading term by the constant term: 20 * -3 = -60 List all the pairs of factors of -60: 1, -60 2, -30 3, -20 4, -15 5, -12 6, -10 10, -6 ... | 4 | [
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0.015625,
... | 21,871 | 21871 | |
3 Questions regarding probability (Counting Methods)
October 19th 2008, 09:51 PM #1
Newbie
Joined
Oct 2008
Posts
7
3 Questions regarding probability (Counting Methods)
First Question:
A 4 digit number ( with no repetitions) is to be formed from the set of numbers {0,1,2,3,4,5,6,7}. Find the probabili... | 5 | [
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0.01275634765625,
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0.0174560546875,
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-0.00640869140625,
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0.01092529296875,
-0.0390625,
-... | 21,872 | 21872 | |
Limits Problems
April 5th 2011, 12:51 AM #1
Newbie
Joined
Apr 2011
Posts
14
Limits Problems
Hi. I need help. My test is next week, and on it there will be a lot of math stuff including limits. Now, the teacher gave us a few problems to show us what to expect on the test. That was last
week. I've been... | 5 | [
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0.052001953125,
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-0.07... | 21,873 | 21873 | |
Geometric Series Question
December 11th 2011, 03:08 PM #1
Newbie
Joined
Dec 2011
Posts
5
Geometric Series Question
you are geometrically diluting/mixing 0.1 g of powder A with 100g of powder B, how many times do you have to mix the 2 together to finish the process?
*each time you can only mix an equa... | 4 | [
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-0.056884765... | 21,874 | 21874 | |
Physics Forums - Linear Algebra (applied) question
anonymity Aug31-11 03:21 PM
Linear Algebra (applied) question
"Find all solutions to the augmented system"
1 2 0 3 1 ||-2
0 0 1 2 4 || 5
0 0 0 0 0 || 0
0 0 0 0 0 || 0
We just learned transposes and matrix multiplication (after a few sections on solving linear... | 5 | [
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-0.0634765625,
... | 21,875 | 21875 | |
GMAT Percentage
• GMAT Prep (USA)
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... | 4 | [
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0.047119140625,
-0.... | 21,876 | 21876 | |
propositional logic
August 2nd 2010, 10:23 PM #1
Junior Member
Joined
Jun 2010
Posts
69
propositional logic
Hi, Can someone take a look if I have worked through this correctly? thanks
Question 4.
~r -> p, (~p) v q, ~s -> (~p)^(~r), (~p) ^ r -> (~s) v t, ~q, therefore t.
1.~q premise
~q ... | 4 | [
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Patent US6351740 - Method and system for training dynamic nonlinear adaptive filters which have embedded memory
I. CROSS-REFERENCE TO RELATED APPLICATIONS
This application claims priority from U.S. Provisional Patent Application No. 60/067,490 filed Dec. 1, 1997, which is incorporated herein by reference.
This invent... | 4 | [
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0.0712890625,
-0.055... | 21,878 | 21878 | |
Word Problem need help urgent
September 23rd 2008, 03:47 AM
ranthrave
Word Problem need help urgent
A priest has a very specific ritual for climbing up the steps to the church. First he climbs up to the middle step and meditates for 1 minute. Then he climbs up 8 steps and faces east until he
hears a bird sin... | 4 | [
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... | 21,879 | 21879 | |
Linear equations in two variables
May 23rd 2008, 06:29 PM
rowdy3
Linear equations in two variables
Find the x and y intercepts and slope (if they exist) for the line given.
-2x + y = 14
x intercept Would it be (-2,0)
y intercept Would it be ( 0,4)
Slope Would it be 2
The slope of a line is 1... | 4 | [
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-... | 21,880 | 21880 | |
Evaluate the definite integral. Calculous
November 26th 2012, 09:12 PM
danielhigareda
Evaluate the definite integral. Calculous
need help. I know i got the wrong answer, because i checked in the back of the book, but i have no idea where i messed up. help please
sinx/((1+cosx)^2)dx from the intervals 0 to p... | 4 | [
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Patent US6166690 - Adaptive nulling methods for GPS reception in multiple-interference environments
BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention relates generally to the Global Positioning System (GPS) and more particularly to GPS reception in an interference environment.
2. Descriptio... | 4 | [
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!!Need someone to check answers - Combinatorics Problems
November 25th 2008, 06:05 PM
cnmath16
!!Need someone to check answers - Combinatorics Problems
36. Solve for n.
a) P (n,5) = 20P (n,3)
No clue how to do this; - please help me solve!
37. A library shelf contains 7 different books. In how man... | 4 | [
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Surface area of cone lying inside a cylinder
April 24th 2010, 06:48 AM
zizou1089
Surface area of cone lying inside a cylinder
Find the surface area of that part of the cone z^2 = x^2 + y^2 which lies inside the cylinder x^2 + y^2 = 2x
OK SO: z is a circle (x − 1)^2 + y^2 = 1. We use polar coordinates for x
... | 5 | [
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Patent US6020846 - Global positioning system employing clocks only model
This invention relates to an improved Global Positioning System employing satellites and monitoring stations to accurately determine the position of a user.
In a global positioning system or global navigation satellite system, the user of the sys... | 4 | [
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General Error Analysis in the Relationship between Free Thyroxine and Thyrotropin and Its Clinical Relevance
Computational and Mathematical Methods in Medicine
Volume 2013 (2013), Article ID 831275, 7 pages
http://dx.doi.org/10.1155/2013/831275
Research Article
General Error Analysis in the Relationship between Free ... | 4 | [
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0.... | 21,886 | 21886 | |
Physics Forums - View Single Post - Electromagnetic energy is not Gauge invariant?
[QUOTE]
JustinLevy
I wanted to talk about the electromagnetic energy density (proportional to [itex](E^2+B^2)[/itex]), but you have instead talked about a relativistic scalar density (proportional to [itex](E^2-B^2)[/
itex]). Theref... | 4 | [
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QM - matrix elements of operators
maria clara
well, the problem is that |L> is not an eigenstate of H.
So all I know is that |L> can be represented as a superposition of the Hamiltonian's eigenfunctions...
What I understand from the data is that when I measure the energy in the state |L> I get the result E0... so us... | 4 | [
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-0.07... | 21,888 | 21888 | |
Amusement park problem.
August 15th 2011, 08:55 AM
explodingtoenails
Amusement park problem.
As you ride a Ferris wheel, the height that you are above the ground varies periodically. Consider the height of the center of the wheel to be the equilibrium point. A particular wheel has a
diameter of 38 feet and t... | 4 | [
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Can't seem to understand Well Ordering Principle
May 30th 2012, 11:23 AM
cosmonavt
Can't seem to understand Well Ordering Principle
Been wondering on it since hours. If I may quote from Kenneth Rosen's book:
Attachment 23998
The two underlined parts are saying totally the opposite, no? What exactly is ... | 4 | [
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Combination or Permutation?
May 21st 2009, 02:11 AM #1
Newbie
Joined
Jan 2009
Posts
9
Combination or Permutation?
For the problem:
How many ways are there to re-arrange the letters of LITTLE?
Would I use combination, permutation or some other method? And how would I do it?
Arrangements with re... | 4 | [
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Setting up Differential Equations of Motion
tomkeus
Sorry guys, I was verry sleepy, I made a mistake. It should be:
[tex]\ddot{\theta}=\frac{d^2\theta}{dt^2}=\frac{d\dot{\theta}}{dt}=
\frac{d\dot{\theta}}{d\theta}\frac{d\theta}{dt}=\frac{d\dot{\theta}}{d\ theta}\dot{\theta}
=\frac{1}{2}\frac{d}{d\theta}(\dot{\theta}^2... | 4 | [
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Conservative Vector Fields
April 28th 2010, 10:22 AM #1
Conservative Vector Fields
q1:
If C is the curve given by r(t)=<1+3sin(t), 1+5sin^2(t), 1+5sin^3(t)>, 0≤t≤π/2 and F is the radial vector field F(x, y, z)=<x, y, z>, compute the work done by F on a particle moving along C.
Work= int (F dot dr)
I... | 4 | [
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Issue 284: EQ Answers | Circuit Cellar
Issue 286: EQ Answers
Question 1—A divider is a logic module that takes two binary numbers and produces their numerical quotient (and optionally, the remainder). The basic structure is a series of subtractions and
multiplexers, where the multiplexer uses the result of the subtrac... | 5 | [
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Patent US7529719 - Document characterization using a tensor space model
BACKGROUND
Information retrieval (IR) techniques have attracted much attention during the past decades since people are frustrated by being drowned in huge amount of data while still being unable to obtain
useful information. Vector Space Model (V... | 4 | [
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Prob Dist.. just some clarity please.
Last edited by Arbitur; April 26th 2006 at 08:51 PM.
Arbitur b) Probability of 3 or more blue in 4 trials. Probability of a blue on any trial is 0.8 as we are sampling with replacement, so: $<br /> P(N_{blue} \ge 3)=P(N_{blue} = 3)+P(N_{blue} = 4)<br
/>$ but: $<br /> P(N_{blue} = ... | 5 | [
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Continuous function and compactifications
May 26th 2011, 02:05 AM
CSM
Continuous function and compactifications
Can someone help me on this one?
Given two compact Hausdorff Space $X,Y$ and a continuous function $f:X\rightarrow Y$ which conditions are necessary and sufficient to garantuee the existence of a ... | 5 | [
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Reflections - Kane's Book
March 30th 2012, 11:53 PM #1
Reflections - Kane's Book
I am reading Kane - Reflection Groups and Invariant Theory and need help with property A-4 of the properties of reflections stated on page 7
(see attachment - Kane _ Reflection Groups and Invariant Theory - pages 6-7)
On pa... | 5 | [
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Euler problems/11 to 20
From HaskellWiki
What is the greatest product of four numbers on the same straight line in the 20 by 20 grid?
Solution:
import System.Process
import IO
import List
slurpURL url = do
(_,out,_,_) <- runInteractiveCommand $ "curl " ++ url
hGetContents out
parse_11 src =
let npre p... | 5 | [
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