text stringlengths 100 957k | meta stringclasses 1
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# Real Curves, Open Strings, and A-infinity Algebras
Kevin Costello gave a talk last week in one of Peter Teichner’s many seminars, explaining $A_\infty$-algebras with a view towards his papers on topological string theory. It was the sort of talk that might have interested a lot of people, so (with Kevin’s permission... | {} |
## Find wavelength of a quantum of electromagnetic radiation
1. The problem statement, all variables and given/known data
A quantum of electromagnetic radiation has
an energy of 0.877 keV.
What is its wavelength? The speed of light
is 2.99792 × 10
8 m/s, and Planck’s constant
is 6.62607 × 10−34J · s.
2. Relevant equa... | {} |
Volume 358 - 36th International Cosmic Ray Conference (ICRC2019) - CRI - Cosmic Ray Indirect
Search for diffuse γ -ray emission from galactic plane with YangBaJing Hybrid Array
Y. Yao,* J. He, Y. Guo, Y. Zhang, C. Liu, T. Chen, H. Hu
*corresponding author
Full text: pdf
Pre-published on: 2019 July 22
Published on:
Abst... | {} |
# From Pauli spinors to Dirac spinors
• I
Hey guys,
Hope all is well. I am trying to understand the process that takes us from the Pauli equation to the Dirac equation. Whilst I understand the motivation is to have a lorrentz covariant equation I don't really understand A.) how this was done B.) what the physical resu... | {} |
# Combat
Combat UI
Combat is a game-play mechanic where players fight enemies located within increasingly more difficult zones. A beginner's guide on combat can be found on the wiki page combat guide or on the forum combat guide made by Magnus.
There are 4 skills to level in combat; constitution, attack, strength, a... | {} |
1,661
1,158
8/20/2018
Last update
# TortoiseSVN IPV6
## 1.10.1.28295
This package was approved by moderator gep13 on 8/23/2018.
TortoiseSVN is a really easy to use Revision control / version control /
source control software for Windows. It is based on
Apache™ Subversion (SVN)®.
TortoiseSVN is implemented as a ... | {} |
# Need help with a proof involving nonlinear differential equations
I'm trying to solve a problem that stated:
If $ae \neq bd$ prove that you can choose 2 constants, h and k, so that the substitution $t= s - h$ , $x = y - k$ reduce the following equation to a homogeneous equation. $$\frac{dx}{dt} = F \left(\frac{at+b... | {} |
# What do these four elements - carbon, hydrogen, oxygen, and nitrogen, make up more than 96% of?
$\text{Biota?}$ | {} |
## Basic College Mathematics (9th Edition)
Published by Pearson
# Chapter 1 - Whole Numbers - Review Exercises: 111
9
#### Work Step by Step
1. Simplify the square root. $\sqrt 9$ = 3 Equation becomes 3 + 2(3) 2. Multiply. 2(3) = 6 Equation becomes 3 + 6 3. Add. 3 + 6 = 9
After you claim an answer you’ll have 24 ... | {} |
# Proof using the mean value theorem
I need to prove (using the mean value theorem) that for all $x\in(0,\infty)$, the following inequality holds:
$\exp(-x)\geq 1 - x$
I don't know how the mean value theorem is applicable here, since we don't have a closed interval.
How do I prove the statement?
• Make it your fir... | {} |
# Energy–pressure relation for low-dimensional gases
@article{Mancarella2014EnergypressureRF,
title={Energy–pressure relation for low-dimensional gases},
author={Francesco Antonio Mancarella and Giuseppe Mussardo and Andrea Trombettoni},
journal={Nuclear Physics},
year={2014},
volume={887},
pages={216-245}
}
• Publish... | {} |
# Question #18d2e
Dec 3, 2015
$C {F}_{4} < C H {F}_{3} < {H}_{2} O < N a B r < C u < S i C$
#### Explanation:
Im order to answer this question, we will need to list the type of intermolecular interactions that every compound can carry on:
1. ${H}_{2} O$ is a polar molecular and therefore, it carries, in addition t... | {} |
## post processing: the Gimp perspective tool is not really transforming
I have uploaded a screenshot below to illustrate the problem. I dragged a jpeg to Gimp, clicked on the perspective tool and then tried to use it … but as you can see, it's not really transforming the image. Why is this so?
Click to enlarge the i... | {} |
# Orthogonal Complement
1. Nov 2, 2008
### ahamdiheme
1. The problem statement, all variables and given/known data
Consider the vector space $$\Re$$nxn over $$\Re$$, let S denote the subspace of symmetric matrices, and R denote the subspace of skew-symmetric matrices. For matrices X,Y$$\in$$$$\Re$$nxn define their ... | {} |
# BibLaTeX: different name order for author/editor
I would like to sort the names of authors and editors differntly in my citations. Authors should be listed as LastName, FirstName and editors as FirstName LastName.
So far I've tried this, but it hast only changed all names to LastName, FirstName:
\DeclareNameAlias{... | {} |
## Trigonometry (11th Edition) Clone
First we can find the angle $\theta$ by rotating counter-clockwise from the positive x-axis. We can then draw a line with a magnitude of $\vert r \vert$, starting from the origin and pointing in the opposite direction from the angle $\theta$.
$(r,\theta)$ is a point in polar coordi... | {} |
# Zeroes of $\sin(z)+2\sin(8z)$
Clearly the function $$f(x)=\sin z+2\sin8z$$ has many zeroes on the real line. Does it have any off the real line? I thought of inspecting its real and imaginary parts separately: $$f(x+iy) = (\sin x\cosh y+2\sin8x\cosh8y)+i(\cos x\sinh y+2\cos8x\sinh8y)$$ However, I didn't find this to... | {} |
# Iterative Feature Matching: Toward Provable Domain Generalization with Logarithmic Environments
18 Jun 2021 · , , , , ·
Domain generalization aims at performing well on unseen test environments with data from a limited number of training environments. Despite a proliferation of proposal algorithms for this task, ... | {} |
Suppose you have a bunch of people who differ only in their wage $w$. Everyone has utility logarithmic in their consumption. As the government, you want to promote welfare by redistributing consumption. You decide to do this by instituting a flat tax and using it to fund a universal basic income.
The more revenue you ... | {} |
# Séminaire de géométrie analytique
le jeudi de 16h15 à 17h15 en salle 016
Archives du séminaire
Responsable : Bert WIEST
### Mai 2017
4 mai Journée de présentation des candidats pour le poste de géométrie
11 mai James Farre, Utah
3rd bounded cohomology of Kleinian groups
We explore the bounded cohomology of Kle... | {} |
# Homogeneity of Variances
Certain tests (e.g. ANOVA) require that the variances of different populations are equal. This can be determined by the following approaches:
• Comparison of graphs (esp. box plots)
• Comparison of variance, standard deviation and IQR statistics
• Statistical tests
The F test presented in ... | {} |
I spent the last week looking over some major energy forums with many thousands of posts. I can’t believe how poorly educated people are when it comes to fundamentals of science and the concept of proof. It has become cult like, where belief has overcome reason. Folks with barely Free Power grasp of science are throwin... | {} |
# Kerodon
$\Newextarrow{\xRightarrow}{5,5}{0x21D2}$ $\newcommand\empty{}$
Variant 9.10.6.8. Let $U: \operatorname{\mathcal{D}}\rightarrow \operatorname{\mathcal{C}}$ be an opfibration in sets. We define a functor $\chi _{U}: \operatorname{\mathcal{C}}\rightarrow \operatorname{Set}$ as follows:
• For each object $X \... | {} |
## In Brief
The start of the academic year has a habit of bringing forth distractions, not least of all to someone as disorganized as me. So here are a few remarks in brief.
The class number of $\mathbf{Q}(\zeta_{151})^{+}$ is one.
John Miller, a student of Iwaniec at Rutgers, wrote the following nice paper, which i... | {} |
Matrix Calculation Efficiency
This topic is 823 days old which is more than the 365 day threshold we allow for new replies. Please post a new topic.
Recommended Posts
Hi Guys,
At present, I send the W, V, & P matrices to the shader where they are multiplied within the shader to position vertices.
Would it be more ... | {} |
# Bruteforce Keys from GET Input with mechanize
My Script tries to find a password, using a brute force approach. The password is then tried using a GET call to a website. I'm not happy with the way the script looks, particularly the number of variables I have had to use for such a small validation.
import mechanize
... | {} |
# How to stop an animation on last frame until condition is met in Unity?
I have an animation (fishing) I want to play backwards when the player catches something or cancels the action.
Playing the animation backwards is as simple as setting the speed to -1, ie:
anim.SetFloat("direction", -1.0f);
However, my fishi... | {} |
# Filtration of stopping time equal to the natural filtration of the stopped process
Given a probability space $(\Omega,\mathcal{F},P)$ and a process $X_{t}$ defined on it. We consider the natural Filtration generated by the process $\mathcal{F}_{t}=\sigma (X_{s}:s\leq t)$. Let $\tau$ be a stopping time. The correspon... | {} |
Elementary Technical Mathematics
Published by Brooks Cole
Chapter 6 - Section 6.4 - Equations with Fractions - Exercises - Page 247: 41
Answer
x=$\frac{1}{7}$
Work Step by Step
determine the defined range convert mixed numbers to an improper fraction move terms rewrite cross multiply switch the sides Divide both ... | {} |
# Python Percentile Without Numpy
add a percentile field to the table 5. It is a convention to import NumPy as follows:. reshape does not change the order of or the total number of elements in the tensor, and so it can reuse the underlying data buffer. Computation on NumPy arrays can be very fast, or it can be very sl... | {} |
# LHCb Conference Proceedings
უკანასკნელი დამატებები:
2019-10-29
16:25
TWO-PARTICLE CORRELATIONS AT THE LHCb∗ / Kucharczyk, Marcin (Polish Academy of Sciences (PL)) Due to its unique pseudorapidity coverage (2 < η < 5) and excellent performance, the LHCb detector allows the study of various aspects of par- ticle corr... | {} |
How do you differentiate f(x) = 1/sqrt(sin^2(2-x^2) using the chain rule?
Then teach the underlying concepts
Don't copy without citing sources
preview
?
Write a one sentence answer...
Explanation
Explain in detail...
Explanation:
I want someone to double check my answer
Describe your changes (optional) 200
1
F... | {} |
# Question
A survey of 200 students is selected randomly on a large university campus. They are asked if they use a laptop in class to take notes. The result of the survey is that 70 of the 200 students responded “yes.”
a) What is the value of the sample proportion p?
b) What is the standard error of the sample propor... | {} |
Documentation
### This is machine translation
Translated by
Mouseover text to see original. Click the button below to return to the English version of the page.
# ltePDSCH
## Syntax
sym = ltePDSCH(enb,chs,cws)
## Description
example
sym = ltePDSCH(enb,chs,cws) returns a matrix containing the physical downlink s... | {} |
# Any self-diffeomorphism of a compact manifold with boundary rel boundary can be isotoped to fix a collar of boundary
Let $$M$$ be a compact manifold with boundary. Is it true that any self-diffeomorphism $$f:M\to M$$ fixing $$\partial M$$ is isotopic to a self-diffeomorphism that fixes a collar neighborhood $$\parti... | {} |
## MSE 2016 - Full Program
Back to overview
Lecture
### Phase field modeling of diffusion-limited precipitation in multi-component Ni-based superalloys
Wednesday (28.09.2016)
17:30 - 17:45
Part of:
We develop a phase-field model for the simulation of diffusion-limited precipitation in Ni-based superalloys with ind... | {} |
# Making a working neuronal network
I've got the following two MWE:
\documentclass[border=5pt,tikz]{standalone}
\begin{document}
\begin{tikzpicture}
%%% %%% %%%
%>> We are building a perceptron
%%% %%% %%%
% input vectors
\xdef\firstinputarray{{1,2}}
\xdef\secondinputarray{{4,8}}
% output vector
\xdef\outputarray... | {} |
# Math Help - Nonlinear least squares fit to determine Constants in given Formula
1. ## Nonlinear least squares fit to determine Constants in given Formula
So I have the following two equations:
(1) $F = F_0 (C_t - C_b) + F_b C_b$
(2) $Kx^2 - x(KD +KC_t +1) + KD C_t = 0$
Here x = $C_b$
I have a set of data points ... | {} |
An alternative method for a problem
Show that the given function has exactly one root in given interval. Consider $f(x)= x^4+3x+1$ on the interval $[-2,-1]$.
My try:
By intermediate value theorem there must be at least one real root in the given interval.
Suppose, consider that there are 2 or more real roots in $[-... | {} |
# Epsilon-Delta Proof with 2-Variable Polynomial
## Homework Statement
Find a specific number δ>0 such that if x2 + y2 = δ2, then |x2+y2+3xy+180xy5 < 1/10 000.
## Homework Equations
ε-δ def'n of limit: lim (x,y) → (a, b) f(x) = L if for every ε > 0 there exists a δ > 0 such that 0 < √(x-a)2+(y-b)2, |f(x) - L| < ε.
... | {} |
# reactions of continuous beams shear diagrams strength of materials
07.adsense-blog.com 9 out of 10 based on 300 ratings. 600 user reviews.
Reactions of Continuous Beams | Shear Diagrams | Strength ... Finding the Reactions of Continuous Beams Isolate each span of the beam and consider each as simply supported carry... | {} |
Browse Questions
# Which of the following organisms is likely to have more concentration of DDT in its body?
$\begin{array}{1 1}(a)\;\text{Primary producer}\\(b)\;\text{Herbivore}\\(c)\;\text{Carnivore}\\(d)\;\text{Top carnivore}\end{array}$
Top carnivore has more concentration of DDT in its body
Hence (d) is the co... | {} |
# How to light a colored line or simple polygon?
This topic is 1938 days old which is more than the 365 day threshold we allow for new replies. Please post a new topic.
## Recommended Posts
I'm guessing the transparent areas are just textures with some semitransparancy (alpha) in them
behind the line, you can draw ... | {} |
# Modular arithmetic with cardinals.
cragar
Can I do operations like ${\aleph_0}^{\aleph_0}mod {\aleph_0}$
and would this equal $\aleph_0$ | {} |
Summer Deals - hours only!Up to 80% off on all courses and bundles.-Close
Introduction
The Final Quiz
12. Question 9
You’ve Completed the Windows Function Course!
## Instruction
Good job! We're getting close to the end – we’ve made it to Question 9.
## Exercise
For each treatment, show its Name, Score, Price, Categ... | {} |
# Can you find the area?
Geometry Level 1
HEY!! suppose that,ABCD is a rectangle.E,F are the midpoints of side AD and CD respectively.If the AREA of quadrilateral EBFD is 9.What is the area of the rectangle ABCD?
× | {} |
# Neural Networks
Consider a supervised learning problem where we have access to labeled training examples (x(i),y(i)). Neural networks give a way of defining a complex, non-linear form of hypotheses hW,b(x), with parameters W,b that we can fit to our data.
To describe neural networks, we will begin by describing the... | {} |
# Controlling the geometry and forces of hybrid cable-net and fabric formworks
Veenendaal D., Bezbradica M., Novak D. and Block P.
Proceedings of the IASS-SLTE 2014 Symposium
Brasilia, Brazil
2014
The construction of anticlastic, thin-shell concrete structures can be efficiently achieved through the use of flexible f... | {} |
# frequencies for intervals
#### xbender
##### New Member
Hi,
I would like to ask how can I make a frequencies table for a variable that has each value only once (e.g. income). I have set of 300 different values of income from respondents and I would like to get the frequencies in a table saying "income 0-100 = XX t... | {} |
# Ubuntu – How to disable “Lock screen” keyboard shortcut under Unity
lock-screenshortcut-keyssystem-settings
I don't want Super + L (that is the windows key pressed with the L key) to lock my screen. I have disabled this in settings, but it still happens. How do I make this not happen?
You should be able to see wha... | {} |
# 线性代数网课代修|交换代数代写Commutative Algebra代考|MATH483
linearalgebra.me 为您的留学生涯保驾护航 在线性代数linear algebra作业代写方面已经树立了自己的口碑, 保证靠谱, 高质且原创的线性代数linear algebra代写服务。我们的专家在线性代数linear algebra代写方面经验极为丰富，各种线性代数linear algebra相关的作业也就用不着 说。
• 数值分析
• 高等线性代数
• 矩阵论
• 优化理论
• 线性规划
• 逼近论
## 线性代数作业代写linear algebra代考|Polynomials of One Variable
I... | {} |
## Bohr Frequency Condition, Electrons
H-Atom ($E_{n}=-\frac{hR}{n^{2}}$)
rachelle1K
Posts: 109
Joined: Sat Sep 07, 2019 12:16 am
### Bohr Frequency Condition, Electrons
What does it mean that an electron drops between levels in the context of the Bohr Frequency condition?
Minh Ngo 4G
Posts: 137
Joined: Thu Jul 25... | {} |
# Integration by Parts
Covid-19 has led the world to go through a phenomenal transition .
E-learning is the future today.
Stay Home , Stay Safe and keep learning!!!
In this section, ask-math explains you the important technique of integration called Integration by parts. This technique is used when integrand is a p... | {} |
# Peeragogy/peeragogy-handbook
TeX HTML Shell
Latest commit 0b9c75a Nov 20, 2017
Type Name Latest commit message Commit time
Failed to load latest commit information.
code Dec 29, 2013
en-md Jul 29, 2015
en-mw May 18, 2015
en Nov 20, 2017
papers Dec 29, 2013
pictures Mar 11, 2015
.gitignore Dec 29, 2013
coworking.patc... | {} |
# Printing a character that has been made active in text and/or math mode?
I am not very familiar with TeX's category codes. If I use
\catcode\|=13 \renewcommand{|}{hello world}
then every use of | in my document will be replaced by hello world. However, how would I be able to still print the | sign? Of course, the... | {} |
# Homework Help: Finding the volume of a solid.
1. Apr 29, 2010
### tarmon.gaidon
1. The problem statement, all variables and given/known data
Find the volume of the solid in the first octant bounded by the coordinate planes and the plane 2x+y-4=0 and 8x-4z=0.
This is a problem for a practice exam for my calculus c... | {} |
Higher-Order Probability Theory on Interval Domain
Date:
This talk presented a correct and adequate model for probabilistic PCF extended with partial real numbers using omega quasi-Borel spaces and interval integration monad, with future work in proving the model is also fully abstract.
Slides | {} |
# My Office at Fusionary
My office at Fusionary
I cleaned my office at work yesterday morning and snapped this photo. I can (and do) sit there all day and still enjoy it very much. | {} |
What is the best way to process categorical variables？
I have data with 5,000,000 records and many categorical variables of it have more than 3 categories. For example(here is the Python Pandas code)
>>> df_train_set.PWD_STAT.unique()
[ 0. 1. 3. 2.]
>>> df_train_set.CUST_CLASS_XL.unique()
[500101 620101 540202 ... | {} |
Our finding aids get from AT Reference to DIMES in what is basically a three-step process:
1. Data is exported from ATReference as EAD files
2. Those files are then indexed in DIMES
3. And finally, transformation processes are run on those files to convert them and have them display in a web browser.
On the surface, ... | {} |
Volume of a Cylinder
## Volume of a Cylinder
A cylinder is a circular prism. As with other prisms, the volume of a cylinder can be calculated using the cross-sectional area x length.
Th cross-section of a cylinder is a circle. As the area of a circle =πr^2, the volume of a cylinder is πr^2l, where r is the radius of... | {} |
Determine if the server admits the binary transport.
# 1 ftp.binary
<ftp.binary />
#### Exceptions
no active ftp connection
It is not possible to obtain the FTP communication with the server because there is not established. | {} |
## Featured resource
### Defining Mathematics Education *REDUCED*
The Seventy-fifth Yearbook is a celebration and reflection of the history of the NCTM yearbooks, and is a great resource on the key issues of mathematics education through the years.
Members: $21.00 inc.GST Others:$ 26.25 inc.GST
Home > Topdrawer > G... | {} |
## Seminars and Colloquia by Series
Tuesday, March 2, 2010 - 12:00 , Location: Skiles 255 , Michael Lacey , School of Math, Georgia Tech , Organizer:
Hosted by: Huy Huynh and Yao Li
The Hilbert transform is a foundational transform, with deep connections to electrical charge, and analyticity. The two weight inequa... | {} |
# Is there any proof of the fundamental theorem of algebra that can be introduced to undergraduates who have just completed Calc III?
I am aware of three proofs of the fundamental theorem of algebra, using:
1. Liouville's theorem
2. The fundamental group of the punctured plane, or
3. Multiplicativity of field extensi... | {} |
# Connection between Schrödinger equation and heat equation [duplicate]
If we do the wick rotation such that τ = it, then Schrödinger equation, say of a free particle, does have the same form of heat equation. However, it is clear that it admits the wave solution so it is sensible to call it a wave equation.
1. Wheth... | {} |
# How do you solve equation with quadratic formula 3n^2-4n-15=0?
Nov 1, 2016
n_1=-5/3; n_2=3
#### Explanation:
Since b-4 is even, you can use the formula:
$x = \frac{- \frac{b}{2} \pm \sqrt{{\left(\frac{b}{2}\right)}^{2} - a c}}{a}$, so you have
$n = \frac{- \left(- \frac{4}{2}\right) \pm \sqrt{{\left(\frac{4}{2}... | {} |
A circular segment is formed by a circle and one of its chords. Area of major segment= area of circle- area of Minor segment Shaded grey part is minor segment A segment in a circle is similar to a sector, but is slightly different. Re: Area of Circular segment by integration Mike and others thank you. Facebook. Using... | {} |
# Creating a hexagonal wraparound map
I'm trying to create a wraparound map for a hexagonal map, so when you exit a tile on one side of the big hexagon-shaped map, you enter a tile on the other side.
In the image, the pale tan hexagonal chunk in the center is our map. The greenish/reddish chunks around it are shifted... | {} |
# Different display styles in math mode?
## Code:
\documentclass{article}
\usepackage{amsmath}
\usepackage{amssymb}
%\usepackage{mathabx}
\begin{document}
$\phi(\underbrace{r\cdots r}_{n-\text{veces}}) \qquad a\in A \qquad A\subseteq B \qquad\mathbb{Z}[i]$
\end{document}
## My question is:
Are there other packa... | {} |
Tag Info
3
Yes, if you are using 3rd party key exchange, the 3rd party can read the messages. If that is not the security feature you want, use something else. There are many legitimate scenarios where users are fine with trusting the third party, however. For example, a system setup by my employer to allow encrypted... | {} |
## Category → life
I put this question in my FAQ, because at least two people have asked me this question, and that’s how frequent a question needs to be to be on my FAQ: I got an IMO1 gold medal in 2012, as a ninth grader, and an IOI gold medal in 2014, as an eleventh grader. I could have kept going to either, or eve... | {} |
What are the odds against drawing a face card?
Mar 23, 2018
Odds against drawing a face card are $3.333$
Explanation:
Odds against is given by number of unfavorable outcomes to number of favorable outcomes.
Here drawing a face card is a favourable event. As there are $12$ face cards against a total of $52$ cards i... | {} |
Premium Online Home Tutors
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# Q.2 Give the order of rotational symmetry for each figure:
(a) Order of rotational symmetry = 360°/180°=2
(b) Order of rotational symmetry = 360°/180°=2
(C) Order of rotational symmetry = 360°/120°=3
(d) Order of rotational symmetry = 360°/90°=4... | {} |
Advanced Search
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Article Contents
# Feedback stabilization methods for the numerical solution of ordinary differential equations
• In this work we study the problem of step size selection for numerical schemes, which guarantees that the numerical solution presents the same qualitative behavior as the ... | {} |
SIRXS Software Problem Reports
This listing shows software problem reports and enhancements ordered by the revision number and release date.
### Fixed/implemented in revision 20
Command lines length increased
Command lines can now be up to 510 characters (increased from 254).
Severity: Enhancement
GET VARS and PUT ... | {} |
transient-0.4.4: Making composable programs with multithreading, events and distributed computing
Safe Haskell None Haskell2010
Transient.Backtrack
Synopsis
# generalized versions of backtracking with an extra parameter that gives the reason for going back.
onBack :: (Typeable b, Show b) => TransientIO a -> (b -> ... | {} |
# A half-life question, involving 2 elements
1. May 2, 2006
### raul_l
Element A has a half-life of $$T_{1}$$ and decays into element B, which has a half-life of $$T_{2}$$, while $$T_{2}<T_{1}$$. When is the mass of element B the greatest? (i.e. after how many doublings?)
I have been trying to derive a formula to c... | {} |
# [.net] Differences between .NET and Mono
This topic is 3484 days old which is more than the 365 day threshold we allow for new replies. Please post a new topic.
## Recommended Posts
Disclaimer: I think this is the appropriate place for this thread, but please feel free to move it to the appropriate place. Now, on ... | {} |
# Directed strongly walk-regular graphs and their eigenvalues
### Edwin van Dam Tilburg University
#### Gholamreza Omidi Isfahan University of Technology
PDF
Minisymposium: ASSOCIATION SCHEMES
Content: A directed graph is called strongly $\ell$-walk regular if the number of walks of length $\ell$ from one vertex t... | {} |
# What is Finite Rate of Innovation Signal?
I have read about Finite Rate of Innovation signal by Martin Vetterli in here. But i do not understand several basic things
1. The paper said that finite rate of innovation is the number of degree of freedom of a signal. But i cannot imagine a degree of freedom in signal te... | {} |
# Dijkstra's algorithm
Dijkstra's algorithm (/ˈdkstrəz/ DYKE-strəz) is an algorithm for finding the shortest paths between nodes in a graph, which may represent, for example, road networks. It was conceived by computer scientist Edsger W. Dijkstra in 1956 and published three years later.[4][5][6]
Class Dijkstra's alg... | {} |
# Lie algabra of symmetric group
It's easy to see that the descending central series of a group induces a graded Lie algebra .(see for example Serre's Harvard lectures or Magnus-Solitar book). I think in general this can be complicated, but this should be well-known:
What is the structure of this Lie algebra for the ... | {} |
# Automatically sliding a conv net onto a larger image
Posted 3 months ago
544 Views
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How to control the step size of the following conv net as it slides onto a larger image?As a toy example, I'd like to slide a digit classifier trained on 28x28 images to classify each neighborhood of a... | {} |
# Is building a test instance from a mix of both mock and real objects OK?
I am new to android testing and would like to try start off in the correct direction, so I am trying to understand if this is the correct way to test a particular method or if there is some best practice that I should be following.
Here are so... | {} |
As in past years, here's a roundup of what's been happening in the data structures and algorithms (cs.DS) section of arXiv.org. Over the last year, there were 1340 new algorithms preprints on arXiv; that's up about 13% from 1182 in 2014. The explosive growth rate of this section has been gradually diminishing over the ... | {} |
Article Contents
Article Contents
# Derivation of a rod theory from lattice systems with interactions beyond nearest neighbours
RA and GL received funding from the Gruppo Nazionale per l'Analisi Matematica, la Probabilità e le loro Applicazioni (GNAMPA) of the Istituto Nazionale di Alta Matematica (INdAM). When this ... | {} |
# American Institute of Mathematical Sciences
July 2013, 12(4): 1569-1585. doi: 10.3934/cpaa.2013.12.1569
## Uniqueness for elliptic problems with Hölder--type dependence on the solution
1 Dipartimento di Matematica, Università di Roma 1, Piazza A. Moro 2, 00185 Roma 2 Dipartimento di Matematica, Università di Ro... | {} |
Compton Wavelength
Discussion in 'Physics & Math' started by Harmony, Jan 10, 2012.
1. HarmonyHarmonyRegistered Senior Member
Messages:
84
The Compton Wavelength (source Wikipedia) is defined as follows: "The Compton Wavelength of a particle is equivalent to the wavelength of a photon whose energy is the same as the... | {} |
# Search by Topic
#### Resources tagged with Mathematical reasoning & proof similar to Em'power'ed:
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Broad Topics > Using, Applying and Reasoning about Mathematics > Mathematical reasoning & proof
### Plus or Minus
##### Stage: 5 Challenge ... | {} |
## Albert0898 one year ago HELP ME understand problems like these. Any tricks, tips, formulas? Thanks! Umberto is a newspaper delivery boy. He delivers newspapers every day of the week. On Sunday, his first day on the job, he delivered newspapers to 18 houses in his neighborhood. Each day afterward, his delivery route ... | {} |
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# Analysis of algorithm implementations by Gregory Robert Ruth
Written in English
## Subjects:
• Computer programming.
Edition Notes
## Book details
Classifications The Physical Object Statement by Gregory Robert Ruth. Contributions Project MAC (Massachusetts Institute of Technology) LC Classifications Q... | {} |
# Git commit hooks
Warning: preg_replace(): The /e modifier is no longer supported, use preg_replace_callback instead in /homepages/3/d35174004/htdocs/tecnocode/wp-content/plugins/latex/latex.php on line 91
Warning: preg_replace(): The /e modifier is no longer supported, use preg_replace_callback instead in /homepage... | {} |
# aliquote
## < a quantity that can be divided into another a whole number of time />
My distro-hopping days had come to an end. I just wanted a system that would let me code, write, and browse the Web. I chose the easy way. — Emacs and Emanuele Severino
2020-11-03: Odd Comments and Strange Doings in Unix. #unix
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## G = C4⋊Dic25order 400 = 24·52
### The semidirect product of C4 and Dic25 acting via Dic25/C50=C2
Series: Derived Chief Lower central Upper central
Derived series C1 — C50 — C4⋊Dic25
Chief series C1 — C5 — C25 — C50 — C2×C50 — C2×Dic25 — C4⋊Dic25
Lower central C25 — C50 — C4⋊Dic25
Upper ce... | {} |
## On oscillation criteria for third order nonlinear delay differential equations.(English)Zbl 1212.34189
Summary: We are concerned with the oscillation of third order nonlinear delay differential equations of the form $(r_{2}(t) (r_{1}(t) x')')'+p(t) x'+q(t) f(x(g(t))) =0.$ We establish some new sufficient conditions... | {} |
# Separate them wisely
Logic Level 5
$\large \frac{5823}{17469} , \frac{5832}{17496}$
Above shows 2 distinct ways to segregate and concatenate the integers from 1 to 9 inclusive such that their ratio is equals to $$\frac13$$.
What is the number of ways to segregate and concatenate the integers from 1 to 9 inclusive... | {} |
##### https://github.com/cran/lavaan.survey
Tip revision: 09c8996
lavaan.survey.Rd
\name{lavaan.survey}
\alias{lavaan.survey}
\title{
Complex survey analysis of structural equation models (SEM)
}
\description{
Takes a lavaan fit object and a complex survey design object as input
and returns a structural equation modeli... | {} |
• ### Characterization of a dense aperture array for radio astronomy(1602.07976)
Feb. 25, 2016 astro-ph.IM
EMBRACE@Nancay is a prototype instrument consisting of an array of 4608 densely packed antenna elements creating a fully sampled, unblocked aperture. This technology is proposed for the Square Kilometre Array and... | {} |
I shamelessly realized I will be missing the Psychoco 2011 workshop. Here are some notes from the program about current research in psychometrics with R.
## Differential Item Functioning analysis
Several packages have been released on CRAN since two years or so. This includes:
• difR, from D. Magis and coll., that a... | {} |
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