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# An online undergraduate business school uses a learning management software system (LMS) that allows instructors to...
###### Question:
An online undergraduate business school uses a learning management software system (LMS) that allows instructors to know how many hours students are connected to the course website... | {} |
# References¶
WS20
Michael S Warren and Samuel W Skillman. Mobility changes in response to covid-19. arXiv preprint arXiv:2003.14228, 2020. | {} |
# $X = (X_1, X_2)$ is it not a multivariate random variable?
$X=(X_1,X_2,\ldots, X_P)$ is a $p$-dimensional random variable on $(\Omega, S, P)$ iff $X_i$'s are univariate random variables on the same probability space $(\Omega, S, P)$ ."
We all know that. it is written and proved in several books.
But I'm confused w... | {} |
# JavaScript/PHP libraries for calculating common
I am looking for a JavaScript or a PHP library to calculate common business/statistical metrics (e.g. Total, Avg, YTD, YoY, MoM, CAGR growth, standard deviation, regression line coordinates) from simple arrays/objects with a structure such as:
The idea is that I would... | {} |
Showing changes from revision #2 to #3: Added | Removed | Changed
A polynomial monad is a monad whose underlying endofunctor is a polynomial functor polynomial functor. This is of course equivalent to being a monad in the category of polynomial functors.
## Examples
A basic example is the free-monoid monad, Example ... | {} |
Content is king. It always has been and it always will be. Creating insightful, engaging and unique content should be at the heart of any online marketing strategy. Too often, people simply don't obey this rule. The problem? This takes an extraordinary amount of work. However, anyone that tells you that content isn't i... | {} |
## noisy importance sampling
Posted in Statistics with tags , , , on February 14, 2022 by xi'an
A recent short arXival by Fernando Llorente, Luca Martino, Jesse Read, and David Delgado–Gómez in which they analyse settings where (only) a noisy version of the target density is available. Not necessarily in an unbiased ... | {} |
# Muzzle blast
A muzzle blast is an explosive shockwave created at the muzzle of a firearm during shooting. Before a projectile leaves the gun barrel, it obturates the bore and "plugs up" the pressurized gaseous products of the propellant combustion behind it, essentially containing the gases within a closed system as... | {} |
Please use this identifier to cite or link to this item: http://hdl.handle.net/10773/15637
Title: Eigenfunctions and fundamental solutions of the fractional Laplace and Dirac operators: the Riemann-Liouville case Author: Ferreira, MiltonVieira, Nelson Keywords: Fractional partial differential equationsFractional Lapla... | {} |
## Friday, 13 September 2013
### Density fitting and tensor hyper contraction
One of the main bottle necks in quantum chemistry is the computation of the two electron integrals and their transformation between the AO and MO bases. These integrals are defined as
where μ, ν, ρ and σ are one-electron orbitals.
A well ... | {} |
1. ## Multivariable function fun;
Similar to the parametric question I recently posted, I need to find a value of c such that a piecewise multivariate function is continuous over an interval, not too sure where to start, because c is not only in the functon, but in the range.
Find all values of c, such that
$f(x,y) =... | {} |
# Statistics: Ellipses
## Ellipses
For a positive definite matrix $\Sigma \!$ we use $E(\mu,\Sigma) \!$ to denote the ellipse $\mathcal{E} = \{ x : (x-\mu)' \Sigma^{-1} (x-\mu) = 1 \}$.
Note that every non-negative definite matrix $W\!$ can be factored as $W=AA'\!$. The matrix $A\!$ can be selected so that it is squ... | {} |
Hw7 Problem 2
Return to Homework 7, Glossary, Theorems
### Problem 2
Write the following permutations as (a) a product of disjoint cycles; (b) a product of transpositions
(a) $(1235)(413)$
(b) $(13256)(23)(46512)$
(c) $(12)(13)(23)(142)$
Solution
(a) $\begin{pmatrix} 1&2&3&4&5&6\\ 5&3&4&2&1&6\end{pmatrix}$ Henc... | {} |
i am a novice to electronics,actually i am java and android developer who doesn't know the very basic concepts of computing and trying to learn from ground level. i was checking out a video which explains about logical gates very well but i did not understand on thing in this pic:
the xor gate has NAND gate and OR gat... | {} |
# How to determine whether or not this series converges?
$$\displaystyle\sum\limits_{n=1}^\infty \dfrac{n^{-1/2}}{2+\sin^2(n)}$$
I tried the divergence test but it approaches 0.
It's not a geometric series.
Doubt I could apply the integral test.
Not a p-series nor an alternating series.
Can't use root test.
I su... | {} |
## Elementary and Intermediate Algebra: Concepts & Applications (6th Edition)
The given expression is the sum of the first three elements of a sequence, which can be also written as: $a_1+a_2+a_3=S_3$ The answer is e) | {} |
## Atomic Spectra
H-Atom ($E_{n}=-\frac{hR}{n^{2}}$)
Rose_Malki_3G
Posts: 123
Joined: Wed Sep 30, 2020 10:02 pm
### Atomic Spectra
For the equation V = -R((1/n^2)-(1/n^2))
How do we know which n value (the final or initial n value) to put first in the equation?
Vivian Chang 3L
Posts: 102
Joined: Wed Sep 30, 2020 9... | {} |
Remember! I know it has a deficiency of electrons, this makes the charge positive. or, finally, with the smallest whole-number coefficients: $$\ce{2 Al2O3(l) -> 4 Al(l) + 3 O2(g)}\label{rxn:R1}\tag{R1}$$ as well as normalized to a single formula unit: $$\ce{Al2O3(l) -> 2 Al(l) + 3/2 O2(g)}\label{rxn:R2}\tag{R2}$$ In th... | {} |
Tags:
1. Dec 30, 2015
I believe I've read that null geodesics can reach the boundary of AdS space within finite affine parameter and that this allows for a causal connection between the bulk AdS spacetime and the boundary on which the CFT lives and that this is very important for AdS/CFT.
I can't find a reference for... | {} |
# ${{\boldsymbol \gamma}}$ ENERGY IN ${{\boldsymbol \Upsilon}{(2S)}}$ DECAY INSPIRE search
VALUE (MeV) DOCUMENT ID TECN COMMENT
$\bf{ 162.5 \pm0.4}$ OUR AVERAGE
$162.56$ $\pm0.19$ $\pm0.42$
2005
CLEO ${{\mathit \Upsilon}{(2S)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit X}}$
$162.0$ $\pm0.8$ $\pm1.2$
1999
CLE2 ${{... | {} |
# How to set particular spacing between first two lines?
I have this code
\textbf{An example of description:}
\begin{description}
\item[enumerate] let you create enumerated lists.
\item[itemize] let you create something
\item[description] let you create something else
\end{description}
All the lines have the same ... | {} |
Find all School-related info fast with the new School-Specific MBA Forum
It is currently 24 May 2015, 11:26
### GMAT Club Daily Prep
#### Thank you for using the timer - this advanced tool can estimate your performance and suggest more practice questions. We have subscribed you to Daily Prep Questions via email.
C... | {} |
Example 70.6.10. This is a continuation of Morphisms of Spaces, Example 65.53.3. Consider the algebraic space $X = \mathbf{A}^1_ k/\{ t \sim -t \mid t \not= 0\}$. This is a smooth algebraic space over the field $k$. There is a universal homeomorphism
$X \longrightarrow \mathbf{A}^1_ k = \mathop{\mathrm{Spec}}(k[t])$
... | {} |
# The Importance of Software Testing
Why should you bother to write and maintain good tests, let alone prioritize them as much as source code? Software testing is important because without some automatic level of verification, you don't know that what you made works. Much more importantly, it becomes harder to add, ch... | {} |
# Plotting Phase Space Python
A real-time phase plot is made by graphing the angular velocity vs. To solve the equations of motion, it is more convenient to switch to generalized coordinates, which are in this case angles and angular momentums (Q1, Q2, L1 and L2). PhaseSpace allows drawing phase space diagrams of line... | {} |
# Scale transformation with error in linear regression
#1
Hi all,
suppose I have a dependent variable y_i that I model through a linear regression and one fixed covariate x_i. Now suppose that I have a scale transformation for the y_i in a way that \tilde{y}_i = y_{i} \beta AND \beta has normal distribution with mea... | {} |
Want to share your content on R-bloggers? click here if you have a blog, or here if you don't.
Today ggtree received 100 stars on and I found the paper was online at the same day by the tweet:
I am quite exciting about it. Now ggtree is citable by doi:10.1111/2041-210X.12628.
In the review period, ggtree had already... | {} |
# Question #390aa
May 9, 2016
${h}_{n} = \sqrt{n + 1}$
#### Explanation:
We will proceed to show that ${h}_{n} = \sqrt{n + 1}$ using induction.
First, for our base case, note that by the Pythagorean theorem, ${h}_{1}^{2} = {1}^{1} + {1}^{1} = 2$, meaning ${h}_{1} = \sqrt{1 + 1}$, satisfying our equation.
Next, su... | {} |
### Chamley-Judd revisited
9/17/2014 04:52:00 PM
Tweetable
When I started grad school we started with a math boot camp, of which the first topic was formal reasoning. One of the exercises that some of my classmates struggled with was counter-factual reasoning. Take for example the theorem:
If 1+1=3, then 2=1.
This is ... | {} |
Check GMAT Club Decision Tracker for the Latest School Decision Releases http://gmatclub.com/AppTrack
It is currently 16 Jan 2017, 23:18
### GMAT Club Daily Prep
#### Thank you for using the timer - this advanced tool can estimate your performance and suggest more practice questions. We have subscribed you to Daily... | {} |
First principles
• October 30th 2009, 01:04 PM
sammy28
First principles
hi all,
Find $\frac{dy}{dx}$ for $y=\sqrt{x}$
$= \frac{1}{2}\displaystyle{x}^{-\frac{1}{2}}\equiv\frac{1}{2\sqrt{x}}$
i then try to get this result from first principles:
$f'(x)=\lim_{h\rightarrow0}\frac{f(x+h)-f(x)}{h}=\lim_{h\rightarrow0}\fr... | {} |
1 Reply Latest reply on Oct 8, 2008 4:17 AM by Joakim Sandstroem
# FS Listener and big files
Hi,
My application will have a FS entry point for messages, so I use a FS listener.
To check the behaviour while dropping big files in the input directory, I made two simple tests :
1/ With a java test, I create a simple te... | {} |
# Number-Theoretic Inequality!
Number Theory Level 5
$\Large{0 < \left| \dfrac{p}{q} - \dfrac23 \right| < \dfrac{1}{q^2}}$
How many ordered pairs $$(p,q)$$ of integers exists such that the above inequality satisfies?
× | {} |
A Guide To Shop Equipment Nobody Thinks About: Clean, Organized, And Efficient
When planning out a workspace at home, the job, or at a makerspace, we all tend to focus on the fun parts. Where the equipment will go, how you’ll power it, what kind of lights you’ll get, etc, etc. It’s easy to devote all your attention to... | {} |
(115) Homework (Due 5/4)
Section 7.1: 7, 8, 10, 11, 15 ($log$ means$log_{10}$)
Section 7.2: 1, 4, 6, 7,14
Section 9.1: 2, 4, 12, 16, 40
Section 9.2: 2, 6, 11, 16, 32, 38
Section 9.3: 1, 2, 5, 6, 8, 11, 12, 21, 22
(107) Homework 9(DUE 5/2, Tuesday)
Hi all,
Here is a set of homework on optical illusions: HWK9
(1... | {} |
$\newcommand{\defeq}{\mathrel{\mathop:}=}$
2008/07/05
Interpreting a New Kind of Monotonicity
The following theorem is a slight generalisation from the original monotonicity and greedy theorem:
Thm. Let R : A ← A be a preorder and S : A ← FA
be monotonic on Rº in the sense that
S . FRº . Tº ⊆ Rº . S
where T : F... | {} |
Unlimited PS Actions, graphics, videos & courses! Unlimited asset downloads! From \$16.50/m
# 20 Best Free Fonts for Cricut (Monogram, Cursive, Script)
Length:LongLanguages:
Looking for the perfect Cricut font? In this article, we'll take a look at some free fonts for Cricut, as well as some of the best Cricut fonts... | {} |
# Finding the integral surface passing through a given curve
The question here is to solve $x^2p+y^2q+z^2=0$ passing through a given curve $\Gamma : xy=x+y,z=1$
I am trying to solve it by Lagrange's method, where $\frac{dx}{x^2}=\frac{dy}{y^2}$, thus I get $1/y-1/x =c$ and then I substituted $x+y$ in place of $xy$ in... | {} |
## Conceptual Physics (12th Edition)
Find the pressure. $$Pressure = (weight \;density)\times(depth)$$ $$= 10000 \frac{N}{m^{3}} \times (2 m) = 20000 \frac{N}{m^{2}}$$ Now find the force by multiplying pressure by the area. Remember that $1 cm^{2} = 10^{-4} m^{2}$. $$F = 20000 \frac{N}{m^{2}} \times (10^{-4} m^{2}) = ... | {} |
## Sturm Liouville Equations
A regular Sturm Liouville equation is a real second-order linear differential equation of the form
with boundary conditionswith at least one of and similarly forand with the functionsspecified.
In the simplest case all coefficients are continuous on the finite closed intervalandhas conti... | {} |
# What’s hot and what’s not, Issue 02
We tell you what’s popular in the world of maths, so you can get ahead of the curve!
### Python
from jokes import jokes_about_python
print(jokes_about_python)
### Fortran
We don’t use punch cards any more. Why are you still using a language designed for them?!
This is Fortran... | {} |
# Tag Info
17
If $\Bbb Z[X]$ were a principal ideal domain, then its quotient by the ideal generated by$~X$, an element that is obviously irreducible, would have to be a field. But it is clear that $\Bbb Z[X]/(X)\cong\Bbb Z$ which is not a field.
15
Yes, below is a sketch a proof that $\rm\: \mathbb Z[w],\ w = (1 +... | {} |
## Study23 Group Title Solve the differentiable equation: dy/dx = y^2 ? one year ago one year ago
1. openstudy11 Group Title
2y
2. terenzreignz Group Title
You mean separable, right? :D
3. terenzreignz Group Title
and lol, @openstudy11 It is unfortunately not that simple :D
4. terenzreignz Group Title
@Study23 ... | {} |
# What does a z-test measure?
A Z-test is a statistical test used to determine whether two population means, ${\mu}_{1}$ and ${\mu}_{2} = 0$ with known variance are different. The Z test assumes a large sample size and a normal distribution. In fact the $Z$ distribution is $Z = N \left(\mu = 0 , \sigma\right)$ | {} |
# Return on investment?
Discussion in 'Investments' started by Patgdirector, Dec 30, 2016.
1. ### PatgdirectorRegistered User
Posts:
21
I have been investing with an Irish Life Assurance company since May 1994. I started off in 2004 paying €342.83 twice a year and in 2016 I paid €955.12 twice a year also. It goes up... | {} |
INTELLIGENT WORK FORUMS
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*Eng-Tips's functionality depends on members receiving e-mail. By join... | {} |
# Thread: Solve the integrals for the area
1. ## Solve the integrals for the area
What are the enpoint of these integrals?
2. what do you mean by enpoint?
3. Originally Posted by racewithferrari
What are the enpoint of these integrals?
Have you drawn a graph of each function (on the same set of axes) and shaded th... | {} |
# If $a^n+n^{a}$ is prime number and $a=3k-1$ then $n\equiv 0\pmod 3$?
Is it true that :
If $a^n+n^{a}$ is prime number and $a=3k-1$ then $n\equiv 0\pmod 3$
where $a>1,n>1 ; a,n,k \in \mathbb{Z^+}$
I have checked statement for many pairs $(a,n)$ and it seems to be true.
Small Maple code that prints $(a,n)$ pairs :... | {} |
• ## Come join us in London on March 13th for #FuturePub 10
Posted by John on February 17, 2017 #FuturePub 10New Developments in Scientific Collaboration Tech Quick link: Register here! Monday, March 13, 2017 from 6:00 PM - 9:30 PM Near Kings Cross, London Free Pizza & Drinks! After a great turnout at our last #Future... | {} |
Intended for healthcare professionals
Clinical Review Extracts from “Clinical Evidence”
# Age related macular degeneration
BMJ 2000; 321 (Published 23 September 2000) Cite this as: BMJ 2000;321:741
1. Jennifer J Arnold, consultant ophthalmologist (jjarnold{at}pacific.net.au)a,
2. Shirley H Sarks, honorary senior res... | {} |
# Converting Gröbner bases with FGLM
🛈
I originally wrote this post when working at AS Discrete Mathematics as part of a project sponsored by the Ethereum Foundation. It is reproduced here with friendly permission.
Have you ever computed a Gröbner basis in some monomial order $\prec_0$ only to then realize that you ... | {} |
Journal article
### Uniqueness results for special Lagrangians and Lagrangian mean curvature flow expanders in C^m
Abstract:
We prove two main results: (a) Suppose $L$ is a closed, embedded, exact special Lagrangian $m$-fold in ${\mathbb C}^m$ for $m\ge 3$ asymptotic at infinity to the union $\Pi_1\cup\Pi_2$ of two ... | {} |
Select Page
# American Mathematics contest 10 (AMC 10) - Number Theory problems
Try these AMC 10 Number Theory Questions and check your knowledge!
#### AMC 10A, 2020, Problem 4
A driver travels for $2$ hours at $60$ miles per hour, during which her car gets $30$ miles per gallon of gasoline. She is paid $0.50$ per ... | {} |
# Coupled Lines
Geometry Level 3
Two lines pass through the point $$(–6, 7)$$ and each is a distance of 2 from the origin at their closest to the origin. What is the sum of the slopes of these lines?
× | {} |
### unt311's blog
By unt311, history, 6 weeks ago,
I've rechecked my submission several times, but do not see anything wrong. (I'm getting WA on test 3) I checked the standings but couldn't find anyone doing it my way, so I'm stuck. I've read the tutorial and understand it fully, though I wish to know what went wrong... | {} |
# American Institute of Mathematical Sciences
ISSN:
2164-6066
eISSN:
2164-6074
All Issues
## Journal of Dynamics & Games
April 2020 , Volume 7 , Issue 2
Select all articles
Export/Reference:
2020, 7(2): 97-104 doi: 10.3934/jdg.2020006 +[Abstract](864) +[HTML](195) +[PDF](319.11KB)
Abstract:
We consider a suffi... | {} |
# On properties of $B$-terms
30 Jan 2019Mirai IkebuchiKeisuke Nakano
$B$-terms are built from the $B$ combinator alone defined by $B\equiv\lambda f.\lambda g.\lambda x. f~(g~x)$, which is well known as a function composition operator. This paper investigates an interesting property of $B$-terms, that is, whether repe... | {} |
# A variation of the law of large numbers for random points in a square
I uniformly mark $$n^2$$ points in $$[0,1]^2$$. Then I want to draw $$cn$$ vertical lines and $$cn$$ horizontal lines such that in each small rectangle there is at most one marked point. Surely, for a given constant c it is not always possible.
B... | {} |
# Balancing a copter with just gyro data [duplicate]
It seems like pitch angle could be computed from just gyro data, which uses 2 gyros.
However, isn't pitch computed from acceleration rather than gyro data?
pitch = 180 * arctan (accelerationX/sqrt(accelerationY*accelerationY + accelerationZ*accelerationZ))/PI
wh... | {} |
Definitions
# Self-similarity
In mathematics, a self-similar object is exactly or approximately similar to a part of itself (i.e. the whole has the same shape as one or more of the parts). Many objects in the real world, such as coastlines, are statistically self-similar: parts of them show the same statistical prope... | {} |
DeepAI
# Restricted Structural Random Matrix for Compressive Sensing
Compressive sensing (CS) is well-known for its unique functionalities of sensing, compressing, and security (i.e. CS measurements are equally important). However, there is a tradeoff. Improving sensing and compressing efficiency with prior signal in... | {} |
# Euler Maclaurin Formula
One of the basic concepts of calculus is the correspondence between sums and integrals, which is easily evaluated with the help of Faulhaber’s formula. The Euler–Maclaurin formula is considered as a powerful connection between integrals. It is mostly used to approximate integrals by finite su... | {} |
Larry Spruch.
# Low energy scattering by a compound system: positrons on hydrogen online
. (page 2 of 3)
Online LibraryLarry SpruchLow energy scattering by a compound system: positrons on hydrogen → online text (page 2 of 3)
Font size
Strictly speaking, one should study the integral, rudou^dTi , in the
limit of lar... | {} |
# Question Three: (8 Points) You are given the following information: a. Salaries earned by employees that...
On Jan 1, Salem Company acquired a controlling interest in Abdulla Company by purchasing 15,000 shares of Abdula Company's stock from a local stock broker. This was the first time that Salem Company had invest... | {} |
# Trigonometry - quick question
1. May 11, 2005
### DivGradCurl
I have a straight-forward question. Could anybody please explain me why...
$$\theta = \tan ^{-1} \left( \frac{x}{2} \right) \Rightarrow -\frac{1}{4\sin \theta} = -\frac{\sqrt{x^2+4}}{4x}$$
Thanks
2. May 11, 2005
### whozum
Draw a triangle. Your ver... | {} |
# Procrastiblog
## January 16, 2008
### Eye of the Tiger
Filed under: Tech — Chris @ 1:31 am
Does anybody know which new API in Mac OS X 10.4 is the reason I can’t use iLike the Amazon MP3 Downloader on my Power Mac G4? Any can anybody tell me why it sucks?
Believe it or not, I actually can’t upgrade to 10.4, beca... | {} |
<img src="https://d5nxst8fruw4z.cloudfront.net/atrk.gif?account=iA1Pi1a8Dy00ym" style="display:none" height="1" width="1" alt="" />
# 7.11: Factorization of Special Cubics
Difficulty Level: Advanced Created by: CK-12
Estimated9 minsto complete
%
Progress
Practice Sum and Difference of Cubes
MEMORY METER
This indicat... | {} |
Łukaszyk–Karmowski metric
In mathematics, the Łukaszyk–Karmowski metric is a function defining a distance between two random variables or two random vectors.[1][2] This function is not a metric as it does not satisfy the identity of indiscernibles condition of the metric, that is for two identical arguments its value ... | {} |
# Does every ultrafilter has single limit imply Hausdorff separation
If a topological space $X$ enjoys the property that every ultrafilter $U$ on $X$ has a single limit, must $X$ be a Hausdorff space?
(Ultrafilters here consist of arbitrary subsets (so not necessarily, for example, $z$-sets or closed sets) but the li... | {} |
# Some Background on Finite Volume Methods
We are generally interested in solving PDE's of the form
For the moment, let's focus our attention even further, on one of the simplest PDE's of that form, known as Burger's equation (inviscid form).
Though this class of equations may appear relatively straightforward, it t... | {} |
In this challenge, you will write a bot that play's the prisoner's dilemma. Here's the catch: you will not have access to the history of previous games. Instead, you will have access to the opponent itself. In this version, both players get +2 points if they both cooperate, +1 points if they both defect, and if one coo... | {} |
# NewsNASA Delivers Heavy Lift Proposal to Congress
#### Sky Captain
##### New member
Yes, but you can't design the demand. (The attempt is called communism and failed). You can't just say "Here we have a 100 ton launcher, fill it".
Yeah that is the problem. Let's make some hardware and then see what mission can we ... | {} |
nLab causal order
In higher category theory
Riemannian geometry
Riemannian geometry
Basic definitions
• Riemannian manifold
• moduli space of Riemannian metrics
• pseudo-Riemannian manifold
• geodesic
• Levi-Civita connection
• Theorems
• Poincaré conjecture-theorem
• Applications
• gravity
• Contents
Def... | {} |
# residual_plots: Several types of residual plots In metan: Multi Environment Trials Analysis
residual_plots R Documentation
## Several types of residual plots
### Description
Residual plots for a output model of class performs_ammi, waas, anova_ind, and anova_joint. Seven types of plots are produced: (1) Residual... | {} |
# Threshold
Tuesday's lecture has been postponed for today due to a projector malfunction.
## Equilibrium Potentials
Recall the equation for the membrane potential in the Hodgkin-Huxley model:
$C \frac{dV}{dt} = I(t) - g_L (V(t) - E_L) - g_{Na} m^3(t) h(t) (V(t) - E_{Na}) - g_K n^4(t) (V(t) - E_K)$
You can find th... | {} |
# Using loops to simplify your LaTeX documents
## February 12, 2019
I often fall into the case where I want to create some slides showing the same plots for different scenarios, e.g. for different users. In those cases, you just need a coherent naming conventions for your plots, for instance:
Figures/
1/
plot.png
hi... | {} |
Technical Article
# Two’s Complement Representation: Theory and Examples
November 16, 2017 by Dr. Steve Arar
## This article will review the theory of the two’s complement representation along with some examples.
The two’s complement representation is a basic technique in digital arithmetic which allows us to repla... | {} |
# Definition:Autocorrelation Function
## Definition
Let $S$ be a stochastic process giving rise to a time series $T$.
Let $\rho_k$ denote the autocorrelation coefficient of $S$ at $k$.
The function that maps $k$ to its corresponding $\rho_k$ is referred to as the autocorrelation function.
## Also see
• Results ab... | {} |
It is currently 23 Mar 2018, 21:30
### GMAT Club Daily Prep
#### Thank you for using the timer - this advanced tool can estimate your performance and suggest more practice questions. We have subscribed you to Daily Prep Questions via email.
Customized
for You
we will pick new questions that match your level based o... | {} |
# Chapter 3 - Parallel and Perpendicular Lines - 3-2 Properties of Parallel Lines - Practice and Problem-Solving Exercises: 19
x=135, y=45
#### Work Step by Step
The angle marked $x$ and the angle marked $3y$ form a corresponding angle pair. The corresponding angle theorem tells us they are congruent. $x=3y\longrigh... | {} |
# Having Fun with Mathematics
Home Teaching Research Fun Math
We study mathematics for many reasons. Mathematics is important and beautiful, and studying it is often a serious task. But in this section, you'll find some whimsical and entertaining applications of some seriously important mathematics.
## How do you st... | {} |
Wikipedia - Leggi di Faraday sull'elettrolisi (it) corrosion rate
Also contains definition of: corrosion current
https://doi.org/10.1351/goldbook.C01358
The @[email protected] transferred per unit time at a specified surface. Using Faraday's law, the @[email protected] rate, $$\nu_{\mathrm{cor}}$$, can be formally exp... | {} |
According to the definition of the derivative, the derivative of the quotient of two differential functions can be written in the form of limiting operation for finding the differentiation of quotient by first principle. #lim_(h to 0) g(x)=g(x),# Creative Commons Attribution-ShareAlike License. Here is a better proof o... | {} |
# Slope of the curve
1. Oct 16, 2013
### utkarshakash
1. The problem statement, all variables and given/known data
Slope of the curve at the point x=0 of the function y=y(x) specified implicitly as $\displaystyle \int_0^y e^{-t^2} dt + \int_0^x \cos t^2 dt = 0$ is
2. Relevant equations
3. The attempt at a solution... | {} |
• Corpus ID: 119285792
# A note on the structure of graded Lie algebras
@article{Moens2015ANO,
title={A note on the structure of graded Lie algebras},
author={Wolfgang Alexander Moens},
journal={arXiv: Rings and Algebras},
year={2015}
}
• W. Moens
• Published 5 December 2015
• Mathematics
• arXiv: Rings and Algebras
... | {} |
# Quantum walk with binary tree
I’m trying to grok quantum walks, and would like to create an example that walks a perfect binary tree to find the one and only marked leaf node. Is this possible? If so, suppose the depth of the tree is five. Would that require a circuit with five wires? Would it best be realized with ... | {} |
⋅⋅
It begins!
posted in Off Topic
hamahamhard mode
https://i.imgur.com/i7AfFF2.png
razzmatazzhttps://i.imgur.com/pHVSUVT.png
hey guys
thanks
bless
https://i.imgur.com/i6ULCTf.png
typtohttp://i66.tinypic.com/16lldgl.jpg
https://i.imgur.com/8Z9Yvgf.png
also aoshi asked me to make an etf2l thing so that's cool and ... | {} |
# neural language model
A fundamental obstacle to progress in this of values. Katz, S.M. In the human brain, sequences of language input are processed within a distributed and hierarchical architecture, in which higher stages of processing encode contextual information over longer timescales. Great. recurrent network ... | {} |
### Numbering matters:first-order canonical forms for second-order recursive typesNumbering matters:first-order canonical forms for second-order recursive types
Access Restriction
Subscribed
Author Pottier, François ♦ Gauthier, Nadji Source ACM Digital Library Content type Text Publisher Association for Computing Ma... | {} |
# RMO Training: taking help from Nordic mathematical contest: 1988
Problem:
Let $m_{n}$ be a smallest value of the function $f_{n}(x)=\sum_{k=0}^{2n}x^{k}$. Prove that $m_{n} \rightarrow \frac{1}{2}$ when $n \rightarrow \infty$.
Proof:
For $n>1$,
$f_{n}(x)=1+x+x^{2}+\ldots=1+x(1+x+x^{2}+x^{4}+\ldots)+x^{2}(1+x^{2}... | {} |
Chemical compound
Ammonium nitrite, NH4NO2, is the ammonium salt of nitrous acid. It is not used in pure isolated form since it is highly unstable and decomposes into water and nitrogen, even at room temperature.
## Preparation
Ammonium nitrite forms naturally in the air and can be prepared by the absorption of equa... | {} |
# Why is Soma referred to as "Christianity without tears"?
What is an in-depth analysis of this quote? | {} |
Want to share your content on R-bloggers? click here if you have a blog, or here if you don't.
Trundler’s catalog of retailers and products is growing all the time! Sometimes, it might take a while to return queries that request a lot of data.
That’s why we’ve added a new progress bar feature to the {trundler} R pack... | {} |
# laws of logarithms
Printable View
• December 17th 2009, 01:40 AM
extraordinarymachine
laws of logarithms
this question is trickier than i'm used too...a little help please?
$log_{7}(49)(7) + log_{7}\sqrt{7}$
• December 17th 2009, 01:47 AM
Stroodle
Hi there.
$log_7 49=2$
so $7log_7 49=7\times2$
and $log_7\sqrt{7... | {} |
# NCERT solutions for Class 12 Chemistry chapter 7 - The p-block Elements [Latest edition]
## Chapter 7: The p-block Elements
Extra questions
### NCERT solutions for Class 12 Chemistry Chapter 7 The p-block Elements Extra questions
Considering the parameters such as bond dissociation enthalpy, electron gain enthalp... | {} |
Re: [isabelle] "global" pretty printing
On Tue, 11 Jun 2013, Steffen Juilf Smolka wrote:
Hi, what is the difference between the normal and the global pretty printing functions defined in syntax.ML?
Here is a relevant quotation from the "implementation" manual:
\item The name component @{ML_text global} means that ... | {} |
# Widening and Narrowing Conversions (Visual Basic)
An important consideration with a type conversion is whether the result of the conversion is within the range of the destination data type.
A widening conversion changes a value to a data type that can allow for any possible value of the original data. Widening conv... | {} |
# Fenchel-Rockafellar Duality¶
In [2]:
addpath('toolbox_signal')
This numerical tour is an introduction to convex duality with an application to total variation denoising.
## Convex Duality¶
Given some convex, proper, and lower semi-continuous function $f(x)$ defined for $x \in \RR^N$, its Legendre-Fenchel dual f... | {} |
Monitor CMS2000 inverter via TCP/IP with USR-TCP232-E4 RS232/IP convertor
After months of waiting on hardware to arrive and playing around with different configurations, I have finally got my CMS2000 inverter to work through TCP/IP with POE.
RS232 to USB converter
The CMS2000 is a 2kW inverter with an RS232 connecti... | {} |
Yes sure you can!
Just type “Retroarch -help” in the command prompt and it’ll show all the options.
So for example loading a core with a specific config file and game you would start the following when in the the retroarch folder (example snes game):
Retroarch.exe -L "cores\mesen-s_libretro.dll" -c "config\mesen-s_l... | {} |
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