content string | quality_label int64 | meta string | all-MiniLM-L6-v2_embedding list | doc_id int64 | unique_id string |
|---|---|---|---|---|---|
Nozzle Design
A rocket engine uses a nozzle to accelerate hot exhaust to produce thrust as described by Newton's third law of motion. The amount of thrust produced by the engine depends on the mass flow rate
through the engine, the exit velocity of the flow, and the pressure at the exit of the engine. The value of thes... | 4 | [
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0.0279541015625,
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0.004... | 44,800 | 44800 | |
Volume 23,
Volume 23, Issue 3, March 1982
•
View Description Hide Description
Elementary lowering operators for the symplectic group, for which a graphical algorithm was given by Mickelsson, are obtained in the form of tensor operators. The resultant simple analytic
expressions are analogous to the co... | 4 | [
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divergence and the delta function
February 3rd 2010, 12:45 PM #1
divergence and the delta function
I have a question regarding the divergence of a certain function. Consider the following:
$\vec{ \triangledown } \cdot \frac{\hat{r}}{r^{2}}$
This is in spherical coordinates. The classical solution states... | 5 | [
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Hydrostatics
A friendly science with concrete postulates, straightforward analysis, ancient history and useful applications
Introduction
Hydrostatics is about the pressures exerted by a fluid at rest. Any fluid is meant, not just water. It is usually relegated to an early chapter in Fluid Mechanics texts, since its ... | 4 | [
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RossEqs.HTM
Table I. Variables and Parameters
┏━━━━━━━━┯━━━━━━━━━━━━━━━━━━━━━━━━━┯━━━━━━━━━━━━━━━━━┓
┃ Symbol │ Quantity │ Units ┃
┠────────┼─────────────────────────┼─────────────────┨
┃ X │ Infected Humans │ Humans ┃
┠────────┼─────────────────────────┼──... | 5 | [
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Kirchhoff's Voltage Law (KVL)
Let's take another look at our example series circuit, this time numbering the points in the circuit for voltage reference:
If we were to connect a voltmeter between points 2 and 1, red test lead to point 2 and black test lead to point 1, the meter would register +45 volts. Typically the... | 4 | [
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Refraction at Spherical Surfaces
In the same way that the Law of Reflection is the basic tool we use to develop the theory of mirrors, Snell's Law is the basic tool that we use to develop the theory of lenses. In this section, we
will d... | 4 | [
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Uncertainty in Measurements How to handle human measuring errors
Uncertainty in Measurements
How to handle human measuring errors
Choosing the Correct Piece of
Equipment
Every measuring
device you use
has a scale
(lines) on it.
Choosing the Correct Piece o... | 4 | [
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IMO 2011: a solution to Q5
Your time is over. You only had 4 hours 30 minutes for the 3 problems of the second day. The TRF problem was this one:
Q5: Let \(f\) be a function from the set of integers to the set of positive integers. Suppose that, for any two integers \(m\) and \(n\), the difference \(f(m)-f(n)\) is... | 5 | [
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LOCOMOTIVE ENGINE Running and Management - POWER OF LOCOMOTIVES AND TRAIN RESISTANCES.
CHAPTER XXVI.
POWER OF LOCOMOTIVES AND TRAIN RESISTANCES.
CALCULATING POWER OF LOCOMOTIVES.
THE capacity of engines is generally expressed in horse-power, which is a measurable quantity; but, for several reasons, that method of ind... | 4 | [
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Integration by subtitution
April 20th 2010, 07:40 PM #1
Newbie
Joined
Apr 2010
Posts
15
Integration by subtitution
Use the substitution $x=tan\theta$ to find the exact value of
$<br /> \int{\frac{1-x^2}{1+x^2}}dx$
limits root 3 and 1
I know, that when you sub you have to change the limits:
... | 4 | [
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Paper-5
International Journal of Advances in Science and Technology,
Vol. 3, No.1, 2011
Effects of Thermo Diffusion and C... | 4 | [
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solution to last week's MGRE Math Beast Challenge
MGRE has published its solution to
last week's quantitative comparison problem
. My answer of C was correct. Here's MGRE's discussion of the solution, which differs from mine:
Since x, y, and z are consecutive multiples of 3, let’s write all three integers in ter... | 4 | [
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Faddeeva Package
From AbInitio
Steven G. Johnson has written free/open-source C++ code (with wrappers for C, Matlab, GNU Octave, Python, Scilab, and Julia) to compute the various error functions of arbitrary complex arguments. In
particular, we provide:
• w, the Faddeeva function $w(z) = e^{-z^2} \mathrm{erfc}(-iz... | 4 | [
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Two Random Exercises
August 17, 2012
These exercises are trickier than they look.
There are at least two obvious solutions to the first exercise that turn out to be wrong. The product rand3 * rand3 doesn’t work because the numbers 5, 7 and 8 cannot be produced and the numbers 2, 3
and 6 are produced twice. The sum r... | 5 | [
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Factoring Polynomials: Proficiency Exam
Exercise 1
((Reference)) The product is 27 a 3 +9 a 2 +9a 27 a 3 +9 a 2 +9a and a factor is 3a 3a . Find the other factor.
Exercise 2
((Reference)) The product is 15xn+5y3n−2 15 x n 5 y 3 n 2 . Find the other factor.
Solution
5 x n y 2n−3 5 x n y 2n−3
For the following p... | 4 | [
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orthogonal basis
Orthogonal and orthonormal subsets
Definition
For $V$ an inner product space, a collection of vectors $\{v_i\}$ of $V$ is orthogonal with respect to the inner $\langle{-, -}\rangle\colon V \times V \to k$ if for all $i eq j$ we have $\langle
{v_i, v_j}\rangle = 0$. It is orthonormal if additionally w... | 4 | [
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Lxu - Viewing Profile: Posts
Lets see if i can help.
6.8 = ((r+1)*2*2 - (r+1)*0.3*2)/2 = (r+1)*2 - (r+1)*0.3 = ?
so you need to work on the individual multiplications first
(r+1)*2 = 2*r + 1*2 = 2r + 2
and
(r+1)*0.3 = 0.3r + 0.3
and then subtract them
(2r+2) - (0.3r + 0.3) = 1.7r + 1.7
with the other side toget... | 4 | [
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Statistical Distributions for Genetics Help
By
Susan Elrod, Ph.D. | William Stansfield, Ph.D.
— McGraw-Hill Professional
Updated on Aug 21, 2011
The Binomial Distribution
In (p + q)^n, the p and q represent the probabilities of alternative independent events, and the power n to which the binomial is raised repres... | 4 | [
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TI
The graphing calculators that are most commonly used in pre-calculus and
Calculus I are the TI-82/83/84 series and the TI-85/86 series. Specifically, the standard
TI-86 will be what this manual is based on, and is shown below on the right.
TI-83... | 5 | [
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logic
Finally, we're at the end of our walkthrough of Gödel great incompleteness proof. As a refresher, the basic proof sketch is:
1. Take a simple logic. We've been using a variant of the Principia Mathematica's logic, because that's what Gödel used.
2. Show that any statement in the logic can be encoded as a numbe... | 4 | [
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Ra
APPENDIX C: Ratio of Core- to Extended-Flux
The ratio between core and extended flux is an important beaming indicator. We use the observed luminosity ratio, R = L[core] / L[ext], which is related to the observed flux ratio via a K-correction:
(C1)
(C2)
We do not correct for the fact that F[ext] diminishes ... | 4 | [
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ALTERNATOR SPEED ESTIMATION USING SPECTRUM ANALYSIS
Patent application title: ALTERNATOR SPEED ESTIMATION USING SPECTRUM ANALYSIS
Sign up to receive free email alerts when patent applications with chosen keywords are published SIGN UP
Abstract:
A system an... | 4 | [
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Using a Stack to Implement Recursion
Next: Instruction Summary Up: Designing Register Machines Previous: Subroutines
Using a Stack to Implement Recursion
With the ideas illustrated so far, we can implement any iterative process by specifying a register machine that has a register corresponding to each state va... | 4 | [
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Why complex numbers are fundamental in physics
I have written about similar issues in articles such as
Wick rotation
,
The unbreakable postulates of quantum mechanics
, and
Zeta-function regularization
, among others.
But now I would like to promote the complex numbers themselves to the central players of the st... | 5 | [
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0.... | 44,824 | 44824 | |
Rectangular Coordinates for Physics Help
By
Stan Gibilisco
— McGraw-Hill Professional
Updated on Sep 17, 2011
Introduction
Graphs are diagrams of the functions and relations that express phenomena in the physical world. There are all kinds of graphs; the simplest are two-dimensional drawings. The most sophisticat... | 4 | [
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Lottery math with four-function calculator
by
Bavi_H
, 6/10/2009
After reading about lottery mathematics, I noticed a pattern you can use to calculate the number of ways to match every possible number of balls, where each result is built up from the previous
result. You can memorize the steps and preform them with ... | 4 | [
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... | 44,826 | 44826 | |
Graded representation theory
April 17, 2010 by Qiaochu Yuan
Let $G$ be a group and let
$\displaystyle V = \bigoplus_{n \ge 0} V_n$
be a graded representation of $G$, i.e. a functor from $G$ to the category of graded vector spaces with eac... | 4 | [
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SIGNAL ANALYZING SYSTEM AND METHOD USING CONTINUOUS SHIFTED TRANSFORM
Patent application title: SIGNAL ANALYZING SYSTEM AND METHOD USING CONTINUOUS SHIFTED TRANSFORM
Inventors: Chin-Shiong Tsai (Taoyuan Hsien, TW)
IPC8 Class: AG06F1500FI
USPC Class: 702 77
Class name... | 4 | [
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A comparison of methods for lot sizing in a rolling horizon lotting paper
A comparison of methods for lot-sizing in a rolling
horizon environment1
Wilco van den Heuvel2 • Albert P.M. Wagelmans
Econometric ... | 5 | [
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... | 44,829 | 44829 | |
Asynchronous Counters
Introduction
A counter is a very simple device. It usually counts from 0 to N (treating them as UB). Some counters allow you to hold the value or to increment one at a time.
We're going to build a very simp... | 4 | [
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Integral problem
December 8th 2011, 04:22 PM #1
Member
Joined
Oct 2009
Posts
195
Thanks
1
Integral problem
So I did this integral problem (attachment), but I didn't get the same answer as the book. Looks like the book made the substitution u= x^(1/2) +1, but I don't see how that makes the problem any... | 5 | [
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Type 43 Ferrite B-H Curve
Home
Up
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Book
Software Updates
Softrock Lite 6.2
Adventures in Electronics and Radio
Elecraft K2 and K3 Transceivers
Fair-Rite Type 43 Materia... | 4 | [
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ÁÎÄÈE-ÊÀÍE-ÌÀÐÖÓÑ-EÑÑEÍÒÈÀËÑ ÎÔ ÈÍÂEÑÒÌEÍÒÑ 5Ò_EÄÈÒÈÎÍ 62 | íàíîáóêâà.ðó
<< Ïðåäûäóùàÿ ñòð. 62 Ñëåäóþùàÿ >>
(èç 193 ñòð.)
ÎÃËÀÂËÅÍÈÅ
(CAPM), 221 security characteristic portfolio, 242
line (SCL), 231
PROBLEM
1. Which of the following statements about the security market li... | 4 | [
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What They Don't Tell You About Pi in High School
I. Introduction
In the instruction of mathematics, students usually are taught the generic definition of pi. They are told that pi is the ratio of the circumference of a circle to its diameter. ... | 5 | [
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Non-transitive Dice
Copyright © University of Cambridge. All rights reserved.
Victor, from St Paul's school in Brazil advised Alison to choose dice in the following way:
If Charlie has selected the red die, Alison is better off with the green die because it is better than the red in two numbers, if Charlie has select... | 4 | [
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Probability Puzzles
Q: You are told that a certain area in a forest has lions, tigers and bears. You tour that area and observe 5 tigers, 2 lions and 1 bear. What is your estimate on the distribution of these animals?
Fifty Challenging Problems in Probability with Solutions (Dover Books on Mathematics)
A: This is a g... | 5 | [
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Tell which statement is not true.
1. If x+2/x = 5+y/5, then 2/x = y/5
2. If x/3 = y/4, then x/y = 4/3
3. If x+3/4 =... - Homework Help - eNotes.com
Tell which statement is not true.
1. If x+2/x = 5+y/5, then 2/x = y/5
2. If x/3 = y/4, then x/y = 4/3
3. If x+3/4 = y/5, then x+3/y =4/5
4.If x-4/4 = 3-y/y, then x/4 = ... | 4 | [
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0.037109375... | 44,837 | 44837 | |
The
Recent Department News Upcoming events
Admissions Academics Research People News and Events Computing Resources
Ph.D. Theses
Column Subset Selection for Approximating Matrices: Theory and Data Applications
By Ali Civril
Advisor: Malik Magdon-Ismail
December 2, 2009
In this thesis, ... | 4 | [
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-0.... | 44,838 | 44838 | |
Modular representation theory: Simple and semisimple objects
Representations of categories
The basic tenet of representation theory is that we have some entity – the group representation theory takes a group, the algebra representation theory most often a quiver, and we look at ways to
view the elements of the structu... | 4 | [
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Allefeld 2014: Searchlight-based multi-voxel pattern analysis of fMRI by cross-validated MANOVA
A recent paper by
Carsten Allefeld
and
John-Dylan Haynes
, "
Searchlight-based multi-voxel pattern analysis of fMRI by cross-validated MANOVA
(see full citation below), caught my eye. The paper advocates using a MANOVA... | 4 | [
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An Embedded 4th and 5th Order Runge-Kutta ODE Solver
An Embedded 4th and 5th Order Runge-Kutta ODE Solver
Syntax
# include <cppad/runge_45.hpp>
xf = Runge45(F, M, ti, tf, xi)
xf = Runge45(F, M, ti, tf, xi, e)
Purpose
This is an implementation o... | 4 | [
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Murex HCV EIA Uncertainty of Measurement Calculation - PDF - PDF
Uncertainty of Measurement Calculation
for the Abbott Murex HCV EIA using the Guide to the
Expression of Uncertainty in Measurement (GUM)
Approach
Detailed discussion
V... | 4 | [
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Basic ring theory in Haskell
Apparently this is the first post on this blog. In it I will speak a little about how to implement the basic algebraic structures of ring theory as Haskell type classes. This is the core of my
constructive-algebra library, which I wrote as part of my master thesis. In the thesis I mainly l... | 4 | [
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0.045654296875... | 44,843 | 44843 | |
Reducing ADC Quantization Noise
Analog-to-digital converters (ADCs) provide the vital transformation of analog signals into digital code in many systems. They perform amplitude quantization of an analog input signal into binary
output words of finite length, normally in the range of 6 to 18 b, an inherently nonlinear p... | 4 | [
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0.0106201... | 44,844 | 44844 | |
Adventures in Emulation
Peter Challenor, Yiannis Andrianakis 1
Robin Tokmakian 2
1 National Oceanography Centre
2 Naval Postgraduate School
Outline
Emulators
Stommel Model
Extremes
Emulation as Parameterisation
Emulators
... | 4 | [
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0.01... | 44,845 | 44845 | |
Volume 21,
Volume 21, Issue 4, April 1980
•
View Description Hide Description
Generalized Grassmann numbers x [ i ] (i=1,2,⋅⋅⋅,n) are defined as those satisfying the relations x [ i ] x [ j ]=η[ i j ] x [ j ] x [ i ] with η[ i j ] =−(+ or −) for i=j(i≠j). Ordinary
Grassmann numbers correspond to a spe... | 4 | [
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... | 44,846 | 44846 | |
w
Experiment 5
Centripetal Force
Objectives:
The objectives are to experimentally verify the formula for centripetal force and learn... | 4 | [
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Measures of Dispersion for Numerical Data Study Guide
Measures of Dispersion for Numerical Data Study Guide (page 2)
By
Linda J. Young
Updated on Oct 5, 2011
Example
Find the interquartile range of the population of orchestra members.
Solution
The median, 66.85 inches, divided the population into two halves, th... | 4 | [
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-0.00714... | 44,848 | 44848 | |
Measures of Spread for AP Statistics
By
Duane C. Hinders
— McGraw-Hill Professional
Updated on Feb 5, 2011
Practice problems for these concepts can be found at:
Simply knowing about the center of a distribution doesn't tell you all you might want to know about the distribution. One group of 20 people earning $20,... | 4 | [
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... | 44,849 | 44849 | |
Addition
Wednesday, February 20, 2013
Addition
I just talked about how to define the Natural Numbers. Now let’s talk about addition within them. That is, using the Peano Axioms, we’re going to build the operation of addition under which the
Natural Numbers are closed.
Addition is defined recursively by the following... | 4 | [
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0.06... | 44,850 | 44850 | |
Current Reuse Gains UWB LNA
Practical circuit design helps this silicon CMOS LNA achieve simultaneous high gain and low noise figure of use in ultrawideband (UWB) communications applications.
What is in this article?:
• Current Reuse Gains UWB LNA
A current-reuse approach helps this silicon CMOS low-noise amplifie... | 4 | [
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-... | 44,851 | 44851 | |
Differentiation of Exponential Functions: 37,500^e10/8 - My Math Forum
November 2nd, 2013, 07:50 AM #3
Senior Member Re: Differentiation of E... | 4 | [
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... | 44,852 | 44852 | |
.
8. PROPAGATION OF ERRORS: THE ERROR MATRIX
Consider the case in which a single physical quantity, y, is some function of the y = y([1], ..., [M]). The "best" value for y is then y* = y([i]*). For example y could be the path radius of an
electron circling in a uniform magnetic field where the measured quantities are... | 5 | [
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0.0922... | 44,853 | 44853 | |
L
LECTURE 2
PARAMETER ERROR ESTIMATES AND NONLINEAR LEAST SQUARES
A. Parameter error estimates
In my previous lecture, I promised that I would explain how to derive standard-error estimates for the derived fitting parameters. To provide some background for the subject, let's take a look at how
errors propagate. Le... | 4 | [
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Maple
Calculus1 Single Stepping
The Calculus1 subpackage of the Student package includes commands that single-step through the basic problems of single-variable calculus, namely limit, differentiation, and integration problems.
Thi... | 5 | [
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0.029296875,
-0.11523437... | 44,855 | 44855 | |
Cosmological Constant - The Weight of the Vacuum -
T. Padmanabhan
1.1. The many faces of the cosmological constant
Einstein's equations, which determine the dynamics of the spacetime, can be derived from the action (see, eg. [7]):
where L[matter] is the Lagrangian for matter depending on some dynamical variables gene... | 4 | [
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type II
Context
Differential geometry
Higher geometry
Contents
Idea
Type II geometry is to Riemannian geometry as generalized complex geometry is to complex geometry.
Where the latter is the geometry induced by reduction of the structure group of the generalized tangent bundle of an even dimensional manifold alo... | 4 | [
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The relatively prime graph
Wow, it's been some time since I've posted a puzzle! Here's a simple pure math puzzle off the top of my head.
Back in middle/high school, I would kill time in classes drawing graph of all the points (n,m) such that n and m are relatively prime. Relatively prime means that there is no integer... | 4 | [
0.0302734375,
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infinity-Chern-Simons theory -- Lagrangians
This is a sub-entry of ∞-Chern-Simons theory . See there for background and details.
Contents
The Lagrangians
We describe some details of the construction of the ∞-Chern-Weil homomorphism induced by an invariant polynomial $\langle -,-\rangle \in W(\mathfrak{a})$ on an... | 4 | [
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APPENDIX F
COMPUTATION OF COS Z AND mu FOR SUN AND MOON
1. Physical Significance of mu, Z, and (HP).
The dimensionless quantity, mu, i... | 5 | [
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Practical Statistics for Astronomers II
4.2 Single-Sample Goodness-of-Fit Tests
We set out in this section to consider comparison of samples, perhaps not the ideal way of conducting research, but necessary, for the following reasons. For single-sample comparison, i.e. comparison
between one specific sample and a model... | 4 | [
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... | 44,861 | 44861 | |
Rather difficult maths equation
05-20-2004 #1
Registered User
Join Date
Dec 2001
Posts
367
Rather difficult maths equation
Simplify: (2t)^2+(k-2^t)^2-(k-2t^2-1)^2
Please help me with this, I am practicing for a test, and I have been trying to solve this for hours!!!
That's rather ugly. First ex... | 4 | [
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Collisional Ring Galaxies - P.N. Appleton &
C. Struck-Marcell
4.1.2. Symmetric Ring Caustics in the Kinematic Orbit Approximation
In this subsection we will work through a simple example of the analytic theory of nonlinear disk waves. The goal is to derive a simple picture of how the structure and spacing of the rings... | 4 | [
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-... | 44,863 | 44863 | |
SPM
SPM short course – May 2009
Linear Models and Contrasts
Jean-Baptiste Poline
Neurospin,I2BM, CEA
Saclay, France
images Design Adjusted data
matrix
... | 4 | [
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What is the antiderivative of f(x)=sec x ? - Homework Help - eNotes.com
What is the antiderivative of f(x)=sec x ?
To find the antiderivative of the given function, we'll have to calculate the indefinite integral of the function.
Int f(x)dx = Int sec x dx
We'll substitute the expression of the function f(x)= secx by... | 5 | [
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Analyzing WiMAX Modulation Quality
Matlab/Simulink can be a useful tool in analyzing the effects of signal impairments, such as phase noise, on the modulation quality of single-carrier and multicarrier OFDM WiMAX transmitters.
Advanced wireless communications standards rely on complex modulation schemes to achieve hig... | 4 | [
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... | 44,866 | 44866 | |
Trend Algorithms
Percent Change (PC)
The percent change (PC) in rates over a particular time period is calculated by taking the difference between the average rate of the first two years and the average rate of the last two years. The
difference is then divided by the average rate of the first two years and multiplie... | 4 | [
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How likely are you to get 12 wins in the Hearthstone Arena, given your skill level?
Blizzard recently released Hearthstone, a TCG-style video game similar to Magic the Gathering. Hearthstone has a play mode called the Arena where the player assembles a deck out of random cards and
uses it to play against randomly-selec... | 4 | [
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Chevalley-Eilenberg cochain complex
nLab
Chevalley-Eilenberg cochain complex
Idea
A finite dimensional Lie algebra $g$ or degreewise finite-dimensional L-∞ algebra $g$ is encoded in a a differential $D : \vee^\bullet g \to \vee^\bullet g$ on the cofree co-commutative coalgebra
generated by $g$.
The dual of this is a... | 4 | [
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0.1171875,
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-0.0000560283660888671... | 44,869 | 44869 | |
MOTION ANALYZING APPARATUS
Patent application title: MOTION ANALYZING APPARATUS
Sign up to receive free email alerts when patent applications with chosen keywords are published SIGN UP
Abstract:
A sensor unit is installed to a target object and... | 4 | [
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0.044921875,
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Dickson-Hardy-Littlewood theorems
From Polymath1Wiki
(Difference between revisions)
Teorth Teorth
( (
Talk ... | 4 | [
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King Khasekhem's priisoners
King Khasekhem's Heb-Sed statuettes
Near the end of the Second Dynasty, the Horus Khasekhem (2711 to 2691 BCE) left us the earliest known three- dimensional representations of an Egyptian ruler. One is a limestone portrait head, and
the other two are statuettes of the seated king in his “H... | 4 | [
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0.0292... | 44,872 | 44872 | |
Network Security Essentials
Network Security & Privacy
Chapt 2: Conventional(Symmetric)
Encryption
信息对抗
Conventional Encryption
Conventional encryption
Symmetric encryption
Secret-key encryption
Single-key encryption
sender and recipient sh... | 4 | [
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ex
NPV, IRR, MIRR, payback period
NPV, IRR, MIRR, payback period are some of the tools that are available to an analyst to find an investor's ROI - return on investment. The IRR and MIRR are percentage interest rates, whereas the NPV
is a money amount. In contrast payback period is the time required to recover the in... | 5 | [
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0.0246582031... | 44,874 | 44874 | |
e
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GENERALIZED LAGRANGE–D'ALEMBERT PRINCIPLE
\DJ or\dj e \DJ ukic
Faculty of Technical Sciences, University of Novi Sad, Novi Sad, Serbia;
Abstract: The major issues in the analysis of the moti... | 4 | [
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0.04... | 44,875 | 44875 | |
Nikki Strong
Environmental Studies
University of Minnesota-Twin Cities
Materials Contributed through SERC-hosted Projects
Essay
Rivers as Complex Systems part of Cutting Edge:Complex Systems:Workshop 2010:Participant Essays
Nikki Strong, St. Olaf College My Research I am an Earth scientist. I work on cross-discipli... | 5 | [
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... | 44,876 | 44876 | |
pH is the Measure of Solution Acidity
Acid-Base Equilibria:
pH is the Measure of Solution Acidity
The effective strength of an acid or base in solution, or acidity, will vary with both the intrinsic strength of the acid or base itself and the amount of the acid or base which is present in the
aqueous solution.
The q... | 5 | [
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-0.06396484375,
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-0.00... | 44,877 | 44877 | |
ACCLS07c
Coloring Geometric Range Spaces
Greg Aloupis1 , Jean Cardinal1 , S´bastien Collette⋆1 , Stefan Langerman⋆⋆1 ,
e
and Shakhar Smorodinsky⋆ ⋆ ⋆2
1
e
Universit´... | 4 | [
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ra
parametric ROC curve
21 Nov 2012
Constructs the parametric ROC curve based on parametric choices provided by the user.
examples.m
close all
... | 5 | [
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express the function in the form fog
F(x)=2x+x^2)^4 - Homework Help - eNotes.com
express the function in the form fog
F(x)=2x+x^2)^4
You should remember the definition of composition of functions, such that:
`(fog)(x) = f(g(x))`
Hence, `g(x)` replaces x in equation of `f(x)` , thus, you need to consider `f(x) =... | 4 | [
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... | 44,880 | 44880 | |
Rigorous Intuition (v. 2.0)
Let the mystery be
Iris Dement
Still low with the flu, but my spirit is lighter than it was last post and I wanted something up here to reflect that.
New content next week. Have a safe and encouraging holiday.
36 Comments:
Happy Holidays, Jeff. Get healthy for Pete's sake.
Love... | 4 | [
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-0.01275634765625,
-0.0... | 44,881 | 44881 | |
Genetic algorithms applied to the theme SEO (Search Engine Optimization)
This article will show how we used the approach of genetic algorithms to optimize the distribution of links within web sites to maximize the average rank of individual web pages.
The theory
We begin by explaining how about a link analysis algori... | 4 | [
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0.0119018554... | 44,882 | 44882 | |
Math Forums @ Math Goodies - Story Problem HELPtesting headertesting left navtesting footer
Math Goodies is a free math help portal for students, teachers, and parents.
... | 4 | [
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0.08984375,
-... | 44,883 | 44883 | |
NBOS Online Exchange
Re: [nbos] [AS] Travel TimesNyrath the nearly wise Sat Aug 29th, 2009
Walter M. Scott III wrote:
>>...Hello,
>>...I am trying to figure out some travel times at slower than light.
>>...Anyone know of any easy way to compute these times?
>>...For example, a sleeper ship that is going from earth to ... | 5 | [
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0.032958984375,
0.039306640625,
... | 44,884 | 44884 | |
Me
Text::NSP::Measures::2D - Perl module that provides basic framework for building measure of association for bigrams.
use Text::NSP::Measures::2D::MI::ll;
my $npp = 60; my $n1p = 20; my $np1 = 20; my $n11 = 10;
$ll_value = calculateStatistic( n11=>$n11,
n1p=>$n1p,
... | 4 | [
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0.0177001953125... | 44,885 | 44885 | |
Einstein's box and the triumph of Bohr
Postmodern revisionism of Bohr's answer to Einstein's box is deeply flawed The Physics arXiv Blog
discusses a recent preprint
EPR before EPR: a 1930 Einstein-Bohr thought experiment revisited
by Croatia's Hrvoje Nikolić.
The paper talks about what Nikolić considers a "mode... | 4 | [
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CBSE Class IX (9th) Science | Chapter 10. GRAVITATION | Solved Exercises
Question 1.How does the force of gravitation between two objects change when the distance between them is reduced to half
Answer.
According to the law of gravitation , the force of attraction between any two objects of mass m1 and m2 is proport... | 4 | [
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The Mathematica Journal: Volume 9, Issue 2: Integral Equations
Integral Equations
Conformal Mapping
Many different methods exploiting integral equations have been developed to determine numerically the function giving the conformal map of the unit disk onto some given simply-connected domain; for
an account of many o... | 5 | [
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False Discovery Rate (FDR) Procedure
Table of Contents | Search Technical Documentation | References
The False Discovery Rate (FDR) Procedure
Starting in 1998, the False Discovery Rate (FDR) procedure was used to increase the power of statistical tests in NAEP. Under FDR the expected proportion of falsely rejected h... | 4 | [
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Optimizing PLL Performance Levels
Samir Kameche, Mohammed Feham, and Mohammed Kameche
Frequency synthesizers based on phase-locked loops (PLLs) are widely used in radio communications systems. Such signal sources are known for their high frequency resolution and fast switching speed,
while maintaining good frequency a... | 4 | [
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ultrapowers of Banach algebras
MathOverflow is a question and answer site for professional mathematicians. It's 100% free, no registration required.
Let $A$ be an infinite dimentional faithful Banach algebra and $U$ be a free ultrafilter. Can we have $(A)_U$ is faithful??
up vote 2 down v... | 4 | [
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Chinese Remainder Theorem Tutorial
This tutorial is the second part to my
earlier tutorial on modular arithmetic and the Euclidean algorithm
. It will cover the Chinese Remainder Theorem.
Chinese Remainder Theorem
The Chinese Remainder Theorem is used to solve a series of modular equations.
x = a1 (mod n1)
x = a2... | 5 | [
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USE OF GIS IN ANALYZING ENVIRONMENTAL CANCER RISKS AS A FUNCTION of
GEOGRAPHIC SCALE
USE OF GIS IN ANALYZING ENVIRONMENTAL CANCER RISKS AS A FUNCTION of GEOGRAPHIC SCALE
Zheng Cai under the super... | 4 | [
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a
One basic problem we have been exploring in this chapter is how to compute the distance traveled from a given velocity function. We examined this in terms of antiderivatives in section 4.1 and
reworked this as an area problem in section 4.2. In this section, we will develop the general problem of calculation of areas... | 5 | [
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log-sum-exp trick why not recursive
up vote 7 down vote favorite
1
I have been researching the log-sum-exp problem. I have a list of numbers stored as logarithms which I would like to sum and store in a logarithm.
the naive algorithm is
def naive(listOfLogs):
return math.log10(sum(10**x for x in listOfLogs))
ma... | 4 | [
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Having issues with my FFT
04-05-2010 #1
Having issues with my FFT
I coded up an FFT, and I'm having issues with it. I can't figure out what the problem is. It's not the 1st time I've coded the FFT, and I've compared my new FFT code (in C++) to a previous time I
coded the FFT (in C#), and I don't personally se... | 4 | [
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denoising quadrature doppler signals from bi directional flow
ieee transactions on ultrasonics, ferroelectrics, and frequency control, vol. 50, no. 5, may 2003
561
Correspondence
Denoising Quadrature Doppler Signals from Bi-Directional Flow Using the Wavelet Frame Yu Zhang, Yua... | 4 | [
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Sunday FunctionSunday Function
“So,” Herr Schrodinger says to us, “I’m looking for a function of x. It needs to be equal to the negative of its second derivative, up to a constant factor. When x is zero, the function itself should
be zero. And when x equals L for some constant L greater than zero, the function also nee... | 5 | [
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Differential-Privacy
Differential Privacy
Cynthia Dwork
Microsoft Research dwork@microsoft.com
Abstract. In 1977 Dalenius articulated a desideratum for statistical databases: nothing about an individual should be learnable from the database that cannot be learned without access t... | 4 | [
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