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Question
# In the circuit shown, initially there is no charge on capacitors and keys ${{S}_{1}}$ and ${{S}_{2}}$ are open. The values of the capacitors are ${{C}_{1}}=10\mu F$, ${{C}_{2}}=10\mu F$, and ${{C}_{3}}={{C}_{4}}=80\mu F$. Which statement is/are correct?A.) The key ${{S}_{1}}$ is kept closed for a long time ... | {} |
## Superradiance and the assumption of indiscernable atom field coupling
Hi,
If we have a system on N atoms confined to dimensions much smaller than the wavelength corresponding to the transition, we see superradiant decay. Now, in these cases, we always assume that the excitation is symmetrically or antisymmetricall... | {} |
# How do you find the y intercept of y + x = -8?
Jun 20, 2018
$- 8$
#### Explanation:
To find the $y$-intercept of our equation, we must put it in slope-intercept form, which is given by
$y = m x + b$, where $b$ is the $y$-intercept.
We essentially just want $y$ on the left side. Let's subtract $x$ from both side... | {} |
## On Estimating $L_2^2$ Divergence
We give a comprehensive theoretical characterization of a nonparametric estimator for the $L_2^2$ divergence between two continuous distributions. We first bound the rate of convergence of our estimator, showing that it is $\sqrt{n}$-consistent provided the densities are sufficientl... | {} |
Automorphisms of FInite Groups
Inder Bir Singh Passi, Mahnender Singh, and Manoj Kumar Yadav
Publisher:
Springer
Publication Date:
2019
Number of Pages:
217
Series:
Springer Monographs in Mathematics
Price:
109.99
ISBN:
978-981-13-2894-7
Category:
Monograph
[Reviewed by
Michael Berg
, on
10/6/2019
]
The leitmotif for ... | {} |
# using \ForEach to input chapters in a document
I have several chapters in the folder /Chapters and I have the following LaTeX code:
\newcommand\chapnames{Chap1, Chap2, Chap3, Chap4, Chap5, Chap6}
\ForEach
{,}
{\input{./Chapters/\thislevelitem}}
{\chapnames}
Unfortunately, this piece of code does not work unless I... | {} |
Mechanics Homework - 1053 - Similar Triangles Name_______________ Mr. Haynes Date_______________
Problem - If the distance between points A and D is 1.75 m, how long is the cable? | {} |
# Understanding Galois theory, swapping roots
I am trying to understand the rudiments of galois theory but I have a hard time answering the following question: Suppose we have $f(X)=x^5-2$ over $\mathbb{Q}$. What is $Gal(E_f: \mathbb{Q})$?
After seeing similar questions here I am more confused: Isn't it true that sin... | {} |
# How to embed films with movie15 and Distiller
The following minimal working example that embeds a film in a pdf:
\documentclass{article}
\pdfoutput=0
\usepackage{graphicx}
\usepackage[british]{babel}
\usepackage[ps2pdf]{hyperref}
\usepackage{movie15}
\begin{document}
Test.
\begin{figure}[ht]
\includemovie[playerid=... | {} |
# All Questions
348 views
### What is relation between electrons and photon? [closed]
What is the relation between electrons and photons? Why do atoms get excited when their electrons come in contact with photons? Why do electrons go from a higher to lower energy level when emitting a ...
187 views
### What's an id... | {} |
Known limitations¶
The following limitations have been noticed when using OpenCOR on our supported platforms.
Windows, Linux and macOS¶
• By default, OpenCOR uses the system’s language for menus, message boxes, etc., as long as it is either English or French (please contact us if you would like OpenCOR to support ot... | {} |
13. Deep Learning on Sequences¶
Deep learning on sequences is part of a broader long-term effort in machine learning on sequences. Sequences is a broad term that includes text, integer sequences, DNA, and other ordered data. Deep learning on sequences often intersects with another field called natural language process... | {} |
This study uses the data provided by the Leiden Ranking 2020 to support the claim that percentile-based indicators are linked by a power law function. A constant calculated from this function, ep, and the total number of papers fully characterize the percentile distribution of publications. According to this distributi... | {} |
Outlook: Myomo Inc. Common Stock is assigned short-term Ba1 & long-term Ba1 estimated rating.
Dominant Strategy : Wait until speculative trend diminishes
Time series to forecast n: 17 Jan 2023 for (n+6 month)
Methodology : Modular Neural Network (Emotional Trigger/Responses Analysis)
## Abstract
Myomo Inc. Common Sto... | {} |
# zbMATH — the first resource for mathematics
##### Examples
Geometry Search for the term Geometry in any field. Queries are case-independent. Funct* Wildcard queries are specified by * (e.g. functions, functorial, etc.). Otherwise the search is exact. "Topological group" Phrases (multi-words) should be set in "strai... | {} |
# In computation, the function f is defined by$$f\left( x \right) = \left\{ {\begin{array}{*{20}{c}} {a{x^2} + 2x - 1}&{x \le 1}\\ {b - c{x^2}}&{x > 1} \end{array}} \right.$$where a, b, c are constants. It is given that f(x) is differentiable at x = 1 and f'(0) = f'(2). Then the value of b is
1. 0
2. 14
3. 16
4. 17
O... | {} |
# Sine
For other uses, see Sine (disambiguation).
Not to be confused with sign.
Sine
Basic features
Parity odd
Domain (−,)a
Codomain [−1,1]a
Period 2π
Specific values
At zero 0
Maxima ((2k + ½)π, 1)b
Minima ((2k − ½)π, 1)
Specific features
Root kπ
Critical point kππ/2
Inflection point kπ
Fixed point 0
In mathematic... | {} |
## On Inverse Network Problems and their Generalizations
• In the context of inverse optimization, inverse versions of maximum flow and minimum cost flow problems have thoroughly been investigated. In these network flow problems there are two important problem parameters: flow capacities of the arcs and costs incurred... | {} |
# Expanding Binomial using Laurent Series
Find a general expression for the Laurent Series expansion of
$f(z) = (z-\alpha)^{-n}$
when $|z|>|\alpha|$.
I've tried expanding the function using the binomial theorem, and I've tried integrating with the general formula for Laurent Series coefficients using Cauchy's Integ... | {} |
# Reducing Validation loss for Triplet Loss Embeddings
I'm trying to create a facial recognition detector using triplet loss followed by a kNN algorithm.
I have roughly 10000 input images with 3 different classes, input size is 80x80. Model structure uses resnet with imagenet weightings, followed by a few dense layer... | {} |
# 4.3 Fitting linear models to data (Page 3/14)
Page 3 / 14
Given data of input and corresponding outputs from a linear function, find the best fit line using linear regression.
1. Enter the input in List 1 (L1).
2. Enter the output in List 2 (L2).
3. On a graphing utility, select Linear Regression (LinReg).
## F... | {} |
# Information Security and Cryptography Research Group
## The Round Complexity of Perfectly Secure General VSS
### Ashish Choudhury, Kaoru Kurosawa, Arpita Patra
ICITS, Lecture Notes in Computer Science, Springer, vol. 6673, pp. 143-162, 2011.
The round complexity of verifiable secret sharing (VSS) schemes has been... | {} |
Distance to rect edge from point based on direction
I have a rect that is at position (0,0) at the top left and is 2200x2200 in size.
I am trying to specify the the distance to get to the edge of the rect in specific direction (degrees) from a point within the rect.
So say I am at point 50,50, and want to move 270 d... | {} |
# Great to see you here!
## COVID-19 Lockdown 2.0 — an update from November 14 2020
Austria is locked down again. Not as much as in spring, but many people have to stay at home again. Homeoffice for the win. As I work as a construction worker I cannot work from home – and I won’t have to.
• I still leave the house a... | {} |
# Problem with the new 2017 ACM Master Article Template
I'm writing a paper using the new 2017 ACM Master Article Template, and I've experienced the `Undefined control sequence` messages:
1. `\orcid` — this one's not too important, I can just omit my `orcid`
2. `\@currentaffiliation ->\institution`
3. `…->\streetaddr... | {} |
DODO Docs
Search
⌃K
# PMM Details
It is self-evident that the price of an asset should change depending on the asset supply. When developing the PMM algorithm, the DODO Team observed two major properties of crypto markets. These properties are:
1. 1.
Most of the liquidity is concentrated around the mid-market price, ... | {} |
# Wind foils the plan
A ballistic missile is projected from ground with speed $$100m/s$$ making $$37°$$ with horizontal. After 8 seconds of projection a strong wind starts blowing in the direction of motion imparting an acceleration of $$25m/{ s }^{ 2 }$$. The missile which was to land in enemy's camp is now heading t... | {} |
# 5 Card Poker probability with specific cards already dealt
I'm trying to calculate probability of a 5-Card Poker hand where two cards (a single player's hand) have already been dealt.
Calculating probability of receiving Two-Pair is a good example that should answer all of my questions within itself.
Here is my ca... | {} |
1 answer
# 8 10 11 12 8. In unit-vector notation, A = (4.0 m) + (3.0 m)ŷ and...
###### Question:
8 10 11 12
8. In unit-vector notation, A = (4.0 m) + (3.0 m)ŷ and B = (-13.0 m)Â + (7.0 m), (a) what is the sum of the two vectors? (b) What are the magnitude and (c) the direction of A + B (relative to )? 9. Two vectors... | {} |
# How to fix slow covergence and highly oscillatory integrand issues?
I'm trying to numerically solve an integral in a specific region and then to visualize it as follows.
RegionPlot3D[
NIntegrate[1/Sqrt[r] - 1/Sqrt[l + r Sin[t]], {r, l, t} ∈
ImplicitRegion[r + l Sin[t] > 0 && l > 0 && r > 0, {r, l, t}]], {r,
0, 5}, ... | {} |
# Special Aircraft Service
## Battlefield - Airborne - Tactical (BAT) => BAT Tech Help => Topic started by: proweather on January 30, 2017, 08:27:49 PM
Title: Error on La Chute Maps [solved]
Post by: proweather on January 30, 2017, 08:27:49 PM
I get the load.ini error when I try to load either of the La Chute maps in... | {} |
# sjPlot 1.3 available #rstats #sjPlot
March 27, 2014
By
(This article was first published on Strenge Jacke! » R, and kindly contributed to R-bloggers)
I just submitted my package update (version 1.3) to CRAN. The download is already available (currently source, binaries follow). While the last two updates included ... | {} |
How to calculate distance to other galaxies using type 1a supernova?
This is for a project in astronomy with extensive data analysis. How should I calculate the distance of galaxies using AGN and supernova Ia? I am using the data from dr17 of SDSS.
• What have you already tried? Type Ia have absolute magnitudes of -1... | {} |
# Revision history [back]
### How to export a plot to a jpg/png file
Hi everybody, I've got some problems with saving/exporting images. This is my code:
var ('x y z')
#Define a 3d curve as the intersection of 2 surfaces
#(but not explicit in z so we must use implicit plots)
# Let's plot
xmin=-3; xmax=3; ymin=-1; y... | {} |
## Precalculus (6th Edition)
(a) slope = $\frac{-1}{3}$. y-intercept: $(0, 2)$ x-intercept: $(6, 0)$ (b) $y=-\frac{1}{3}x+2$.
RECALL: (1) The slope is the ratio rise (change in y) over run (change in x). (2) The x-intercept is the point where the graph touches/crosses the x-axis. (3) The y-intercept is the point where... | {} |
# Analogy for abstract classes
Abstract classes are peculiar things. Consider:
public abstract class Shape {
String name;
protected Point startPoint;
public Shape(String name){
this.name = name;
}
public String getName(){
return name;
}
public abstract double getArea();
}
The classic way to explain them is to sa... | {} |
## D’ ALEMBERT’s Test of Convergence of Series
Statement A series $\sum {u_n}$ of positive terms is convergent if from and after some fixed term $\dfrac {u_{n+1}} {u_n} < r < {1}$ , where r is a fixed number. The series is divergent if $\dfrac{u_{n+1}} {u_n} > 1$ from and after some fixed term. D’ Alembert’s Test is a... | {} |
# Surface Area of a Molecule
Geometry Level 4
A new molecule $$\ce{A2Z}$$ has been discovered. It is made of two atoms of $$\ce{A}$$ and one atom of $$\ce{Z}$$. The surface area of a molecule can tell us loads about the chemical and physical properties of the molecule, hence it is imperative that we calculate it.
If... | {} |
# Philosophy:Kaharingan
Kaharingan is a folk religion professed by many Dayaks in Kalimantan, Indonesia; particularly Central Kalimantan, although many have converted to Christianity or Islam. The word means life, and this belief system includes a concept of a supreme deity—although this may be the result of the need ... | {} |
# Path integral for particle with spin and Dirac propagator
I am currently trying to compute a path integral for fermion particle using the action, provided in chapter 9 of Polyakov "Gauge fields and strings", and show that it yields Dirac propagator in the end. I personally find this fact really fascinating, which is... | {} |
장소: 129동 310호 / zoom: 946 805 8300
We prove that groups acting properly on 2-dimensional CAT(0) complexes with a bound on the orders of cell stabilisers satisfy the Tits Alternative, that is, their finitely generated subgroups are either virtually free abelian or contain a (non-abelian) free subgroup. This is joint wo... | {} |
# [NTG-context] typearea
Peter Münster ntg-context@ntg.nl
Sun, 11 Jan 2004 22:02:47 +0100 (CET)
On Tue, 6 Jan 2004, Henning Hraban Ramm wrote:
> Am Dienstag, 06.01.04, um 08:21 Uhr (Europe/Zurich) schrieb Peter
> Münster:
> > Ok, I'm going to try it, perhaps it'll be my first ConTeXt module ;)
>
> It shouldn't be a ... | {} |
# Geometric Set Cover in one dimension
Consider the geometric set cover problem https://en.wikipedia.org/wiki/Geometric_set_cover_problem.
The Wiki article says there is a simple greedy algorithm for the one-dimension case, what is the analysis of that?
Is there a constant approximation factor possible for the one-d... | {} |
TOP results by CONfident efFECT Size. Topconfects is an R package intended for RNA-seq or microarray Differntial Expression analysis and similar, where we are interested in placing confidence bounds on many effect sizes–one per gene–from few samples.
Topconfects builds on TREAT p-values offered by the limma and edgeR ... | {} |
# Morley's MiracleDijkstra's Proof
I lifted this proof from the site of E. W. Dijkstra Archives at the University of Texas at Austin.
An open letter to Ross Honsberger.
University of Waterloo.
30 December 1975
Dear Sir,
the other day I encountered your delightful booklet "Mathematical Gems". On account of Chapter ... | {} |
#### Previous topic
1 An Overview of Networks
3 Other LANs
# 2 Ethernet¶
We now turn to a deeper analysis of the ubiquitous Ethernet LAN protocol. Current user-level Ethernet today (2013) is usually 100 Mbps, with Gigabit Ethernet standard in server rooms and backbones, but because Ethernet speed scales in od... | {} |
The Inequalities for Polynomials and Integration over Fractal Arcs The paper is dealing with determination of the integral $\int_{\gamma} f \,dz$ along the fractal arc $\gamma$ on the complex plane by terms of polynomial approximations of the function~$f$. We obtain inequalities for polynomials and conditions of integr... | {} |
# Math Help - derivative
1. ## derivative
find the derivative of $y=\frac{x+1}{x-1}$ using first principles
so
$\frac{f(x+h)-f(x)}{h}$
$
\frac{(x+h)+1}{(x+h)-1} - \frac{x+1}{x-1}$
all over h
can't get the right answer
2. Originally Posted by euclid2
find the derivative of $y=\frac{x+1}{x-1}$ using first principl... | {} |
## Physics: Principles with Applications (7th Edition)
$V = 4.1H - 0.018A - 2.7$ Since volume V is in liters, then the units of each of the three terms on the right side of the equation must be liters. The units of 4.1 must be liters/meter, then the units of 4.1H are (liters/meters)(meters) = liters. The units of 0.01... | {} |
16th European Solar Physics Meeting
Sep 6 – 10, 2021
Online
Europe/Rome timezone
Reconstruction of solar magnetic field during Cycles 15--19 based on proxies from Kodaikanal Solar Observatory
Sep 6, 2021, 11:50 AM
13m
Online
Online
Poster Session 1 - Solar Interior, Dynamo, Large-Scale Flows and the Solar Cycle
S... | {} |
# Thread: [SOLVED] characterizing all ideals of a certain ring... :-\
1. ## [SOLVED] characterizing all ideals of a certain ring... :-\
Hello, and thank you very much for reading.
Hate these kinds of questions:
Let p be a prime number.
Let R= Z(p) be the ring defined as followed:
Z(p) = {x/y : gcd(y,p)=1} (notice th... | {} |
I have a small class of 2D drawing utilities, Draw2D which is the global entry point for anything related to drawing. Currently, the class looks like this:
struct Draw2D
{
std::shared_ptr<D2Label> CreateLabel (...);
std::shared_ptr<D2Plot> CreatePlot (...);
void Draw (D2Element& e);
std::vector<std::weak_ptr<D2Eleme... | {} |
Q
# Which term of the AP : 121, 117, 113, . . ., is its first negative term?
Q : 1 Which term of the AP : $\small 121,117,113,...,$ is its first negative term? [Hint : Find $n$ for $a_n<0$ ]
Views
Given AP is
$\small 121,117,113,...,$
Here $a = 121 \ and \ d = -4$
Let suppose nth term of the AP is first negat... | {} |
Did Newton argue that particles speed up when entering a more dense medium?
Statement:
Newton argued that particles speed up as they travel from air into a dense, transparent object, such as glass.
From this source, I gather that he did argue that the light particles sped up when entering a more dense medium. Howeve... | {} |
# Show Reference: "Developments and Applications of Nonlinear Principal Component Analysis - a Review"
Developments and Applications of Nonlinear Principal Component Analysis – a Review Principal Manifolds for Data Visualization and Dimension Reduction In Principal Manifolds for Data Visualization and Dimension Redu... | {} |
×
# A man gave 2400 dollars to his three brothers named X, Y and Z. Z had as twice as many as Y, Y had 1/3 that of z. Find the amount each had.
Note by Lionel Warfought Williams
3 years, 1 month ago
Sort by:
Is that by mistake or is it intentional.... · 3 years, 1 month ago
0 · 3 years, 1 month ago
How can z have... | {} |
Int J Performability Eng ›› 2022, Vol. 18 ›› Issue (10): 730-740.
### Health Monitoring of Turning Tool through Vibration Signals Processed using Convolutional Neural Network Architecture
Revati M. Wahula,*, Archana P. Kalea, and Abhishek D. Patangeb
1. aMES College of Engineering, Pune, 411001, India;
bCollege of E... | {} |
266 views
I Have doubt about the language. Is it asking about the sum of elements if we make the GBL set for the given lattice .
### 1 comment
Is it D?
I think they are asking no of element in GLB.
It should be 0
@Arkaprava
i mean to say summing the element in the set
This question is poorly framed The GBL set ... | {} |
# How to export user defined macros to Latex?
I have defined a macro that helps me type formulas
it works fine when I type \seq and a
But when I export the formula typed with the macro I get $\seq{a}$, but not $a_1,\cdots,a_n$ as I want. I have tried expand user defined macros in the preference but nothing has chang... | {} |
#### Chapter 10 Basic Concepts of Descriptive Vector Geometry
Section 10.1 From Arrows to Vectors
# 10.1.3 Vectors in the Plane and in the Space
Points on the plane or in space that are defined as ordered pairs or triples with respect to a given coordinate system can be connected by line segments. Assigning a direct... | {} |
Automatically growing label in Python Tkinter (just for fun)
#!/usr/bin/env python3
from tkinter import *
root = Tk()
class GrowLabel(Label):
def __init__(self, master):
Label.__init__(self, master)
self.counter = 12
self.config(text=str(self.counter), fg="blue", font=("verdana", self.counter, "bold"))
self.pack()
... | {} |
# Chemical equation
Chemical equation
A chemical equation is the symbolic representation of a chemical reaction where the reactant entities are given on the left hand side and the product entities on the right hand side.[1] The coefficients next to the symbols and formulae of entities are the absolute values of the s... | {} |
# A bidirectional formulation for Walk on Spheres
Yang Qi, Dario Seyb, Benedikt Bitterli, Wojciech Jarosz
Computer Graphics Forum (Proceedings of EGSR) 2022
# Abstract
Numerically solving partial differential equations (PDEs) is central to many applications in computer graphics and scientific modeling. Conventional ... | {} |
# How to define the scope of subscript in a iteration?
Newbee to MMA, and completely have no clue about it. I need do a calculation of some iteration, seen in the picture below.
$n=3,4,5,..., \begin{cases} L_n=c_n\\ L_{n-1}=c_{n-1}\\ L_{n-p+1}=\displaystyle\sum_{r=1}^{p-2} (p-r-1)\;c_{p-r-1}\;L_{n-r+1}+c_{n-p+1}\;(p=... | {} |
# How much work must you do to push a 13 kg block of steel across a steel table (muk = 0.6) at a...
## Question:
How much work must you do to push a 13 kg block of steel across a steel table ({eq}\mu_k {/eq} = 0.6) at a steady speed of 1.0 m/s for 9.7 s?
## Work-Energy Theorem
The work-energy theorem in classical p... | {} |
# Let's try using the discriminant
Algebra Level 1
$f(x)=ax^2+bx+c$
If $$b>10, 0<a<2, c=3$$, how many times does the graph $$y=f(x)$$ cross the x-axis?
× | {} |
## RD Sharma Class 8 Solutions Chapter 1 Rational Numbers Ex 1.8
These Solutions are part of RD Sharma Class 8 Solutions. Here we have given RD Sharma Class 8 Solutions Chapter 1 Rational Numbers Ex 1.8
Other Exercises
Question 1.
Find a rational number between -3 and 1.
Solution:
Question 2.
Find any five rational... | {} |
# Crane Corporation has collected the following information after its first year of sales....
Crane Corporation has collected the following information after its first year of sales. Sales were $1,600,000 on 100,000 units, selling expenses$210,000 (40% variable and 60% fixed), direct materials $498,000, direct labor$2... | {} |
Question - Real Numbers and Their Decimal Expansions
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ConceptReal Numbers and Their Decimal Expansions
Question
Express the following in the form p/q, where p and q are integers and q ≠ 0.
(i) 0.bar6
(ii) 0.4bar7
(iii) 0.bar001
Solution
You need to to view the solution
Is... | {} |
# Symmetry and shape coexistence in 10Be
Published in Bulgarian Journal of Physics, 2022
DOI: 10.55318/bgjp.2022.49.1.057 | arXiv: 2112.04056
Recommended citation: M. A. Caprio, A.E. McCoy, P. J. Fasano, and T. Dytrych, Bulg. J. Phys. 49, 057066 (2022) (download)
Within the low-lying spectrum of 10Be, multiple rotat... | {} |
As is well-known, the Brouwer fixed point theorem states that any continuous map from the unit disk in ${\mathbb{R}^n}$ to itself has a fixed point. The standard proof uses the computation of the singular homology groups of spheres. The proof fails, and indeed this is no longer true, for more general compact spaces. Ho... | {} |
# Lecture: Context Free Languages, CFGs, PDAs
Now we come to our next notion of computation beyond the regular languages and their associated models of computation, regexps nfas and dfas: the context free languages. Our motivating example is going to be the language we’ve seen repeatedly at this point, $\{0^n1^n | n \... | {} |
# Revision history [back]
### About finding roots of polynomials in specific domains
I have two polynomials $p(x)$ and $q(x)$ and I want to know if there are roots of the equation $\frac{p'}{p} = \frac{q'}{q}$ in the domain $(a,\infinity)$ - where $a = max { roots(p),roots(q) }$
This is the same as asking for the ro... | {} |
Symbol
Problem
$\bar{8}$ Find the values of x x that satisfy the inequality and plot the solution in interval notation $2$ on the number line. $\left(0\right)$ $5$ + $3$ $24$ b. $05n=26$ $4Q23°8\leq 0$ d. $7=8\right)x$ $-$ $25$ e. $5$ 14x + $5$ $5a%63$ $6=2346$ $853>2$ $3x=1$ | {} |
Product Rule
The product rule is a formal rule to find the derivatives of products of two or more functions.
In Leibniz’s notation we can express it as
$$\frac{d}{dx}(u . v) = \frac{du}{dx} . v + u . \frac{dv}{dx}$$
OR
In Lagrange’s notation as,
$$(u . v)’ = u’ v + u v’$$
This rule can be extended to a derivativ... | {} |
# 7.3 Unit circle (Page 7/11)
Page 7 / 11
Access these online resources for additional instruction and practice with sine and cosine functions.
## Key equations
Cosine $\mathrm{cos}\text{\hspace{0.17em}}t=x$ Sine $\mathrm{sin}\text{\hspace{0.17em}}t=y$ Pythagorean Identity ${\mathrm{cos}}^{2}t+{\mathrm{sin}}^{2}... | {} |
## Tangent measure distributions of fractal measures
• Tangent measure distributions are a natural tool to describe the local geometry of arbitrary measures of any dimension. We show that for every measure on a Euclidean space and every s, at almost every point, all s-dimensional tangent measure distributions define s... | {} |
Externally Funded Project
Additive combinatorics over finite fields and applications
FWF Project P 30405-N32
Runtime: 01.09.2017-31.08.2021
###### Project Abstract
Loosely speaking, additive combinatorics is the study of arithmetic structures within finite sets. It is an indication of the high level of activity in ... | {} |
### Journée-séminaire de combinatoire
#### (équipe CALIN du LIPN, université Paris-Nord, Villetaneuse)
Le 12 octobre 2021 à 14h00 en B107 (& visioconférence), Imre Bárány nous parlera de : Cells in the box and a hyperplane
Résumé : It is well known that a line can intersect at most $2n-1$ cells of the $n \times n$ c... | {} |
# Is this distributional laplacean a measure?
Let $\Omega\subset\mathbb{R}^N$ be a bounded smooth domain. Suppose that $0<k<t<1$ and $\Phi$ is a mooth function satisfying: $\Phi(x)=0$ for $x\le k$, $\Phi(x)=1$ for $x\ge t$.
Take $u\in C_0^\infty(\overline{\Omega})$ with $u\ge 0$ and $u$ superharmonic ($-\Delta u\ge 0... | {} |
MathOverflow will be down for maintenance for approximately 3 hours, starting Monday evening (06/24/2013) at approximately 9:00 PM Eastern time (UTC-4).
I think a good illustration of why torsion-free sheaves on singular curves are both interesting and difficult is given by the following. Consider the $GL_n$ case of t... | {} |
Warning
This documents an unmaintained version of NetworkX. Please upgrade to a maintained version and see the current NetworkX documentation.
# networkx.algorithms.dag.transitive_reduction¶
transitive_reduction(G)[source]
Returns transitive reduction of a directed graph
The transitive reduction of G = (V,E) is a ... | {} |
# MBTiles¶
Driver short name
MBTiles
The MBTiles driver allows reading rasters in the MBTiles format, which is a specification for storing tiled map data in SQLite databases.
Starting with GDAL 2.1, the MBTiles driver has creation and write support for MBTiles raster datasets.
Starting with GDAL 2.3, the MBTiles d... | {} |
# Reconstructing position from depth questions
## Recommended Posts
AgentSnoop 110
Hey everyone. I know this topic has been posted a few times, and I've read them for the most part, I've seen other webpages regarding the topic (http://mynameismjp.wordpress.com/2009/05/05/reconstructing-position-from-depth-continue... | {} |
# Thread: Uniform convergence of a sequence of functions
1. ## Uniform convergence of a sequence of functions
Hi, I was hoping someone might be able to help me out.
Can the following sequence of function be differentiated?
As far as I understood, I have to check continuity and uniform convergence. I think it fails ... | {} |
Voltage Multipliers (Doublers, Triplers, Quadruplers, and More)
Chapter 3 - Diodes and Rectifiers
voltage multiplier is a specialized rectifier circuit producing an output which is theoretically an integer times the AC peak input, for example, 2, 3, or 4 times the AC peak input. Thus, it is possible to get 200 VDC fr... | {} |
# Alternative method for power assessment of small wind turbines
1. Oct 13, 2008
Hello, I am Daniel from La Plata, Argentina and would like some help on a complex (for me) question. I am working with some friends on the development of an innovative wind turbine. We have built several prototypes with diameters of 0.5 ... | {} |
# Paying attention to sigma-algebras
So as part of my new resolution to start reading the books on my shelves, I recently read through Probability with Martingales.
I’d be lying if I said I fully understood all the material: It’s quite dense, and my ability to read mathematics has atrophied a lot (I’m now doing a rer... | {} |
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Broad Topics > Using, Applying and Reasoning about Mathematics > Working systematically
First Connect Three
Stage: 2, 3 and 4 Challenge Level:
The i... | {} |
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# Voltage drop from current, single-phase and three-phase current, cable length, cross-section or diameter
With this calculator you can calculate voltage drops for single-phase and three-phase AC circuits calculated from the rated current. You will also calculate wire length, w... | {} |
# 계통해석법에 의한 I-131대기방출의 영향평가
• Yook, Chong-Chul (Nuclear Engineering Dept., Hanyang University) ;
• Lee, Jong-Il (Nuclear Engineering Dept., Hanyang University) ;
• Ha, Chung-Woo (Healh Physics Dept., Korea Advanced Energy Research Institute)
• 육종철 (한양대학교 공과대학 원자력공학과) ;
• 이종일 (한양대학교 공과대학 원자력공학과) ;
• 하정우 (한국에너지연구소 방사선안전... | {} |
## Hypothesis testing: sign test
Hi,
If you wished to perform hypothesis testing on medians two sets of samples of size, say 10-20, testing $H_0: m_1=m_2$ vs $m_1 < m_2$, how would you go about doing this?
Could I set up a table with two columns the values of each sample, then their difference, and use the sign test... | {} |
Do I have a problem? Basic proportion problem.
1. Aug 11, 2012
Life-Like
Hello, this is an odd question but when I compared how I solved it compared to how the book solved it I kinda got worried. It was a very basic problem I been going back and touching up on my basics before I start pre-cal and trig in college.
T... | {} |
# Implicit Differentiation - Different Approaches
#### cargar
##### New member
Given is the function F(x,y,z) = x2+y3-z.
Determine the Jacobian matrix Dz in P=(1,1,2) using implicit differentiation.
My idea is to calculate ∂z/∂x in P(1,1,2) and ∂z/∂y in P(1,1,2) and then just write it in matrix form.
So,
F(x,y,z)... | {} |
Reasoning about Knowledge and Strategies:Epistemic Strategy Logic
# Reasoning about Knowledge and Strategies: Epistemic Strategy Logic
## Abstract
In this paper we introduce Epistemic Strategy Logic (ESL), an extension of Strategy Logic with modal operators for individual knowledge. This enhanced framework allows us... | {} |
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Zbl 1206.93035
Dong, Hongli; Wang, Zidong; Gao, Huijun... | {} |
# Tba
FKTW02 - Frontiers in analysis of kinetic equations
We consider solutions of the (repulsive) Vlasov-Poisson System which are small smooth perturbations of a Dirac mass (i.e. $\mu=\delta+fdxdv$ with $f$ small, localized and smooth). We show that these solutions are global and decay in time at the optimal rate, ... | {} |
DETERMINING IF A PRODUCT IS POSITIVE OR NEGATIVE
• PRACTICE (online exercises and printable worksheets)
• This page gives an in-a-nutshell discussion of the concepts.
Want more details, more exercises? Read the full text!
Recall the following properties of multiplication of signed numbers:
(positive)(positive) = posi... | {} |
# Synopsis: Dark Transmissions
An unusual excess of radio emission from outside the Milky Way may come from dark matter.
Like some offshore tax shelter, the cosmic matter portfolio is mostly invisible. Theories abound on what this dark matter might be, but the experimental goal now is to find hard evidence of the nat... | {} |
# Rods, clocks and free fall (metric and connections)
## Main Question or Discussion Point
In Classical GR the metric tensor $g_{\mu\nu}$ determines the length of rods and ticking of clocks while the connection $\Gamma^{\alpha}_{\mu\nu}$ determine the equation of geodesic (the free fall motion of particle). Furthermo... | {} |
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