arxiv_id stringlengths 0 16 | text stringlengths 10 1.65M |
|---|---|
# Comment on "breakdown of the Internet under intentional attack".
@article{Dorogovtsev2001CommentO,
title={Comment on "breakdown of the Internet under intentional attack".},
author={Sergey N. Dorogovtsev and Jos{\'e} F. F. Mendes},
journal={Physical review letters},
year={2001},
volume={87 21},
pages={
219801
}
}
• P... | |
# Find the Mean (Arithmetic) 0 , 2÷0 , 5
0 , 2÷0 , 5
The expression contains a division by 0 The expression is undefined.
0,Undefined,5
The mean of a set of numbers is the sum divided by the number of terms.
Undefined | |
# Don't Overthink It!
Calculus Level 2
What is the value of $\lim_{x \to 4} f(x)$
If $f(x) = \begin{cases} |x+3-x^2| & \text{if } -\infty \leq x < 2 , \text{and }5
× | |
# Search for physics beyond the standard model using multilepton signatures in pp collisions at √s =7 TeV
CMS Collaboration; Amsler, C; Chiochia, V; Snoek, H; Favaro, C; Verzetti, M; Aguiló, E; De Visscher, S; Otyugova, P; Schmitt, A; Ivova, M; Storey, J; Millan, B (2011). Search for physics beyond the standard model ... | |
# Chapter 2¶
Original content created by Cam Davidson-Pilon
Ported to Python 3 and PyMC3 by Max Margenot (@clean_utensils) and Thomas Wiecki (@twiecki) at Quantopian (@quantopian)
This chapter introduces more PyMC3 syntax and variables and ways to think about how to model a system from a Bayesian perspective. It als... | |
### Session APS2: APS II - Condensed Matter and Nanomaterials
3:30 PM–5:42 PM, Friday, March 23, 2007
Foster Science Building Room: 458
Chair: Tikhon Bykov, McMurry University
Abstract ID: BAPS.2007.TSS07.APS2.3
### Abstract: APS2.00003 : Vortex Dynamics in the High Temperature Superconductor YBa$_{2}$Cu$_{3}$O$_{7... | |
# C++ basic bank money class
I am trying to create a basic money class that fits into a small console banking application I am making.
Money.h
#pragma once
#include <string>
class Money {
private:
long pounds;
int pence;
public:
Money();
explicit Money(long pounds);
Money(long pounds, int pence);
/* Overload oper... | |
# Seminars in Algebra
## November 24th 2015, 14:15 - 15:15 in 656
Title: The Lie bracket in Hochschild cohomology via the homotopy category of projective bimodules (II)
Speaker: Reiner Hermann
Abstract: This talk aims for employing the results that have been presented in the preceding one in order to realise the Li... | |
## Fidelity versus Clarity
Thinking about yesterday’s post, I was struck with an idea that may be obvious to many readers, and has doubtless been well-explored, but it was new to me (or I had forgotten it) so here I go, writing to help me think and remember:
The post touched on the notion that communication is an imp... | |
# Proof verification: If $G$ is a finite abelian group and $n\mid|G|$ then $G$ has a subgroup of order $n$.
I have been trying to do this exercise and found two answers:
Let $G$ be an abelian group of order $m$. If $n$ divides $m$, prove that $G$ has a subgroup of order $n$.
Showing that a finite abelian group has a... | |
Coverage of breaking stories
source : wikipedia.org
## Formal definition
Main article: Characterizations of the exponential function
The exponential function (in blue), and the sum of the first n + 1 terms of its power series (in red).
The real exponential function exp:R→R{\displaystyle \exp \colon \mathbb {R} \to ... | |
# Convert an Equation Editor Object back to plain text
Muskyboi
Is there a tool that can convert something like this:
which when copied as plain text looks like this: \frac{4}{\pi}\sin\left(x\right)+\frac{4}{3\pi}\sin\left(3x\right)+\frac{4}{5\pi}\sin\left(5x\right)+\frac{4}{7\pi}\sin\left(7x\right)+\frac{4}{9\pi}\si... | |
Hardmax#
Hardmax - 13#
Version
• name: Hardmax (GitHub)
• domain: main
• since_version: 13
• function: False
• support_level: SupportType.COMMON
• shape inference: True
This version of the operator has been available since version 13.
Summary
The operator computes the hardmax values for the given input:
Har... | |
# 5. Suggestions when producing a panel dataset
Following these suggestions will help you organize your research, which could improve reproducibility (replicability) and reusability of your code and results. These could be particularly helpful when collaborating with other researchers (including a future self).
## 5.... | |
# base react with metal examples
Examples of bases include alkali metal hydroxides, alkaline earth metal … metal carbonates, such as calcium carbonate Many bases are insoluble - they do not dissolve in water. ionic compounds that produce negative hydroxide (OH−) ions when dissolved in water are called bases Required f... | |
# Virgin Orbit “Start Me Up” Launch
Virgin Orbit plans to launch their LauncherOne rocket from its modified Boeing 747 mother ship “Cosmic Girl” on 2023-01-09 around 22:16 UTC. The air launch of the rocket occurs when the carrier aircraft reaches the specified drop point in its “racetrack” flight path, so the exact la... | |
# How to quickly detect incorrect password in encrypted file without compromising security?
I am developing a software to encrypt/decrypt files/streams using symmetrical encryption algorithm. During encryption phase data wil be compressed and encrypted.
When decrypting data, I want to be able to check whether supplie... | |
Question
# A coal merchant makes a profit of $20\%$ by selling firewood at $25Rs$ per quintal. If he sells the firewood at $25.50Rs$ per quintal. What is his profit percent on the whole investment?
Hint: When you read the question, immediately note down the selling price and cost price like parameters that are given ... | |
## anonymous 4 years ago The problem for session 4: How can I calculate f'(x) of f(x)=sin2x as 2cos2x? Have I missed anything?
1. Stacey
This uses the chain rule. the derivative of sin x is cos x, but we do have sin x. We have sin 2x.
2. Stacey
Taking the derivative will give us cos 2x times the derivative of 2x. S... | |
# Thread: can someone check my work thanks!!
1. ## can someone check my work thanks!!
Can someone please check my work thanks!!
1) An angle with a negative rotation passes through the point (-5, 8). To the nearest degree, what is the measure of the angle?
a) -238
b)-148
c) -122
d) – 58
My answer is B -142
2) For -1... | |
# Assume that P(B) > 0. Prove that if P(A1|B) < P(A1) then P(Ai | B) > P(Ai) for some i = 2, … , k.
Suppose k events from a partition of the sample space Ω, i.e., they are disjoint and ∪ i=1 to k over Ai = Ω. Assume that P(B) > 0. Prove that if P(A1|B) < P(A1) then P(Ai | B) > P(Ai) for some i = 2, ... , k.
I used th... | |
# With the aid of examples briefly explain the difference between fixed effect and random effects models in experimental design.
With the aid of examples briefly explain the difference between fixed effect and random effects models in experimental design.
You can still ask an expert for help
• Questions are typically... | |
# imageFan -- computes the fan of the image
## Synopsis
• Usage:
F = imageFan(M,C)
• Inputs:
• M,
• Outputs:
• F, an instance of the type Fan
## Description
M must be a matrix from the ambient space of the Cone C to some target space. The imageFan is the common refinement of the images of all faces of C.
i1 : C =... | |
Next: Simulated annealing Up: Optimization Previous: Line minimization
The gradient descent method may not be efficient because it could get into the zigzag pattern and repeat the same search directions many times. This problem is avoided in the conjugate gradient (CG) method, which does not repeat any previous search... | |
# Quark Matter 2019 - the XXVIIIth International Conference on Ultra-relativistic Nucleus-Nucleus Collisions
3-9 November 2019
Wanda Reign Wuhan Hotel
Asia/Shanghai timezone
## Ultracentral Collisions of Small and Deformed Systems at RHIC
5 Nov 2019, 12:00
20m
Ball Room 2 (Wanda Reign Wuhan Hotel)
### Ball Room 2
... | |
# Lifting matrices mod 2 to integers.
The following question was motivated by my research.
Consider a $n\times n$ matrix whose elements are $0$'s or $1$'s such that the determinant is odd. The question is: is it possible to assign signs to matrix elements such that the determinant of the matrix will be equal to $1$? ... | |
# First human clone 8 weeks old.
Discussion in 'Biology & Genetics' started by GRO$$, Apr 7, 2002. 1. ### GRO$$Registered Senior Member
Messages:
304
http://www.cnn.com/2002/TECH/science/04/06/human.clone/index.html
http://investor.cnet.com/investor/news/newsitem/0-9900-1028-9626636-0.html
http://www.gulfnews.com/Art... | |
0
Review Articles
# Some Observations on the Origins of Newton’s Law of Cooling and Its Influences on Thermofluid Science
[+] Author and Article Information
K. C. Cheng
University of Alberta, 4327-115 Street, Edmonton, AB, T6J 1P5, Canada
Because of the nature of this paper, quotations will be used often to give pr... | |
# how to set multiple materials using array in the submesh of an object
I'm trying to insert multiple materials into the object's submesh using the array, but I'm not getting
public GameObject[] obj;
//material mat;
public void Color(Material mat) {
for (int x = 0; x < obj.Count; x++)
obj[x].GetComponent<MeshRende... | |
# "Continuous" binomial distribution
• June 8th 2009, 11:26 AM
thefer
"Continuous" binomial distribution
Hi.
I want to use some kind of "continuous" binomial distribution. I know binomial distribution is defined for natural numbers, but I want to extend it to the use of real numbers.
I also know that the gamma funct... | |
# nLab geometry of physics -- coordinate systems
Contents
## Surveys, textbooks and lecture notes
#### Differential geometry
synthetic differential geometry
Introductions
from point-set topology to differentiable manifolds
Differentials
V-manifolds
smooth space
Tangency
The magic algebraic facts
Theorems
A... | |
# Find the measure of all the missing angles worksheet answer key
The transformation is a translation, i. Simple level demands the direct answer. New Vocabulary quadrilateral rectangle square parallelogram rhombus trapezoid Hands-On Mini Lab The figure below is a quadrilateral , since it has four sides and four angles... | |
1, the molal boiling point elevation constant for water is 0.51°C/m. Thus a 1.00 m aqueous solution of a nonvolatile molecular solute such as glucose or sucrose will have an increase in boiling point of 0.51°C, to give a boiling point of 100.51°C at 1.00 atm.1, the molal boiling point elevationboiling point elevationBo... | |
Serving the Quantitative Finance Community
pcaspers
Topic Author
Posts: 712
Joined: June 6th, 2005, 9:49 am
### Carr / Madan: A note on sufficient conditions for no arbitrage
I have a question on the paper "A note on sufficient conditions for no arbitrage" by Carr / Madan:
They say \sum_{i=1}^\infty q_{i,j} = 1. To... | |
# zbMATH — the first resource for mathematics
Tournament sequences and Meeussen sequences. (English) Zbl 0973.11028
Electron. J. Comb. 7, No. 1, Research paper R44, 16 p. (2000); printed version J. Comb. 7, No. 2 (2000).
A tournament sequence [see P. Capell and T. V. Narayana, Can. Math. Bull. 13, 105-109 (1970; Zbl 0... | |
# Precalculus with Limits
## Educators
### Problem 1
$\mathrm{An}$ _____ _____ is a function whose domain is the set of positive integers.
Check back soon!
### Problem 2
A sequence is a _____ sequence when the domain of the function consists only of the first $n$ positive integers.
Check back soon!
### Problem ... | |
# Why does $\ell=0$ correspond to spherically symmetric solutions for the spherical harmonics?
In quantum mechanics why do states with $\ell=0$ in the Hydrogen atom correspond to spherically symmetric spherical harmonics?
• Do you mean in this in the conceptual or mathematical sense? – xish Dec 14 '13 at 4:04
• I gue... | |
The University of Southampton
University of Southampton Institutional Repository
# An Axiomatization of the Algebra of Petri Net Concatenable Processes
Sassone, V. (1996) An Axiomatization of the Algebra of Petri Net Concatenable Processes. Theoretical Computer Science, 170 (1-2), 277-296.
Record type: Article
## A... | |
# Export/Import DataPump Parameter ACCESS_METHOD[ID 552424.1]
Export/Import DataPump Parameter ACCESS_METHOD - How to Enforce a Method of Loading and Unloading Data ? [ID 552424.1] Modified 06-APR-2009 Type HOWTO Status PUBLISHED
## Applies to:
Oracle Server - Enterprise Edition - Version: 10.1.0.2 to 11.1.... | |
# Talk:Propagation of uncertainty
WikiProject Statistics (Rated C-class, High-importance)
This article is within the scope of the WikiProject Statistics, a collaborative effort to improve the coverage of statistics on Wikipedia. If you would like to participate, please visit the project page or join the discussion.
... | |
Need help diffrenting trig problems In(x^2(3x-1))?
Jan 17, 2018
$\frac{d}{\mathrm{dx}} \left[\ln \left(\left({x}^{2}\right) \left(3 x - 1\right)\right)\right] = \frac{9 {x}^{2} - 2 x}{3 {x}^{3} - {x}^{2}}$
Explanation:
Well there are no trig functions in this problem. Perhaps you meant to say logarithms? Anyways...... | |
# Does bending of light around the Sun depend on the wavelength?
If the energy of light is high, does its curvature differ from that of low-energy light around the Sun? In other words, if the wavelength of the light is shorter than another wavelength of light, then does the bending of the two lights differ around the ... | |
# Use Stokes' Theorem to evaluate F · dr where C is oriented counterclockwise as viewed from above. F(x, y, z) = 6yi + xzj + (x + y)k, C is the curve of intersection of the plane z = y + 8 and the cylinder x2 + y2 = 1.
Question
Use Stokes' Theorem to evaluate F · dr where C is oriented counterclockwise as viewed from... | |
All Dates/Times are Australian Eastern Standard Time (AEST)
Technical Program
Paper Detail
Paper ID D6-S1-T4.1 Paper Title Trace Reconstruction with Bounded Edit Distance Authors Jin Sima, Jehoshua Bruck, Calefornia Institute of Technology, United States Session D6-S1-T4: Trace Reconstruction Chaired Session: Monda... | |
## Lenny Kravitz – Raise vibration
Posted in lyrics, New album entries, pop, rock, rockalyrics with tags , , , , , , , , , , , , , , , , , on 18 November, 2018 by rockalyrics
1. We can get it all together
2. Low
3. Who really are the monsters?
4. Raise vibration
5. Johnny cash
6. Here to love
7. It’s enough
8. 5 more... | |
5
# Quesjiol 1715055Aralyze the transcendenta cunve-'Note: (a) Type none if it is not applicable or there is none; (b) Do not put spaces in all vour answersIdentif...
## Question
###### Quesjiol 1715055Aralyze the transcendenta cunve-'Note: (a) Type none if it is not applicable or there is none; (b) Do not put space... | |
# [Tex/LaTex] How to make an old school “much less/greater” (<< and >>) symbol
math-modesymbols
How can the old school "much less (or greater)" – << and >> – symbol:
be made? I haven't succeeded with http://detexify.kirelabs.org.
Note I don't want the common \ll & \gg symbols.
The mathabx package provides this gly... | |
Thank you for visiting nature.com. You are using a browser version with limited support for CSS. To obtain the best experience, we recommend you use a more up to date browser (or turn off compatibility mode in Internet Explorer). In the meantime, to ensure continued support, we are displaying the site without styles an... | |
The Ideal Gas Law Video Lessons
Concept: Boyle's Law
# Problem: When 0.550 g of neon is added to a 750-cm3 bulb containing a sample of argon, the total pressure of the gases is found to be 1.46 atm at a temperature of 320 K.Find the mass of the argon in the bulb.
###### FREE Expert Solution
We’re being asked to cal... | |
# Changing rates
1. Mar 18, 2005
### UrbanXrisis
In a right triangle with sides x,y,z, the theta between leg z and leg y is increasing at a constant rate of 3 rad/min. What is the rate at which x is increasing in units per minute when x equals 3 units and z is 5 units.
so the triangle is basically a 3,4,5 triangle.... | |
# Synopsis: Polarized Light in Safe Storage
New techniques for storing and retrieving polarized photons improve the quantum memory capabilities of rare-earth-doped crystals.
Quantum memory, which creates a place for storing quantum information until it is needed later, is an essential component in quantum computing a... | |
# Chapter 9 - Section 9.3 - The Parabola - Exercise Set - Page 998: 81
See explanations.
#### Work Step by Step
The equation of a parabola contains only one of the $Ax^2$ or $Cy^2$ terms, while other conic sections should have both.
After you claim an answer you’ll have 24 hours to send in a draft. An editor will r... | |
# A Case Study of Cluster-level Models
#### 2019/10/22
In this vignette, we will discuss the use of cluster-level models using the SUMMER package. We will use data from Kenya 2014 DHS survey as a case study. Due to the size limit of vignettes on CRAN, here we illustrate data preparation and how to use fitINLA2 functi... | |
# The alternating group is a normal subgroup of the symmetric group
For an exercise, I need to prove that the alternating group $A_n$ is a normal subgroup of the symmetric group $S_n$.
As clue they say we can use a group homomorphism $\operatorname{sgn} : S_n \to \{-1,1\}$. I really don't see how i can use this.... c... | |
Home
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Enol content is maximum in...
Updated On: 27-06-2022
Get Answer to any question, just click a photo and upload the photo and get the answer completely free,
Text Solution
CH_(3)-overset(O)overset(||)(C)-CH_(2)-overset(O)overset(||)(C)-CH_(3)C... | |
# Correct algorithm for detecting outbreaks in conflict data
I'm currently working on a project researching whether Google Trends can predict conflict events in intrastate conflicts.
Thus I have two different datasets; the weekly Google Trends search volume and the number of conflict events per week. My idea was to d... | |
# A note on concentration inequality for vector-valued martingales with weak exponential-type tails
We present novel martingale concentration inequalities for martingale differences with finite Orlicz-ψ_α norms. Such martingale differences with weak exponential-type tails scatters in many statistical applications and ... | |
≡ФωФ≡ there is no question, only a cat
Question:
≡ФωФ≡ there is no question, only a cat
Each of the following was a problem for the US economy as a result of early banks printing their own paper money EXCEPT: A. banks
Each of the following was a problem for the US economy as a result of early banks printing their o... | |
# Family straight lines
1) It is given that the straight lines L(1): 2x+y-1=0 , L(2) : 3x-2y-5=0 , L(3) : x-3=0 and L(4) : x+y-1=0 a) Write down the equation of the family of straight lines passing through the point of intersection L(1) and L(2). b) Hence, find the equation of the line L which passes through the point... | |
# Model selection basics
I have ran three regressions and they are all very statistically significant.
How do I choose which one is the best to use?
i.e do I look for high F-statistic, low p-values ect.
• Are all 3 regression models fit to the same data? – julian Aug 13 '17 at 21:02
• @SYS_V Yes they do. – EconJohn... | |
# jax.numpy.piecewise¶
jax.numpy.piecewise(x, condlist, funclist, *args, **kw)[source]
Evaluate a piecewise-defined function.
LAX-backend implementation of piecewise(). Unlike np.piecewise, jax.numpy.piecewise() requires functions in funclist to be traceable by JAX, as it is implemeted via jax.lax.switch(). See the ... | |
# Energy (heat?)
1. Dec 15, 2006
### BunDa4Th
1. The problem statement, all variables and given/known data
Suppose a steel strut with cross-sectional area 7.00x10^-4 m2 and length 2.50 m is bolted between two rigid bulkheads in the engine room of a submarine.
(a) Calculate the change in temperature of the strut if ... | |
Difference between revisions of "2022 AIME I Problems/Problem 1"
Problem
Quadratic polynomials $P(x)$ and $Q(x)$ have leading coefficients $2$ and $-2,$ respectively. The graphs of both polynomials pass through the two points $(16,54)$ and $(20,53).$ Find $P(0) + Q(0).$
Solution 1 (Linear Polynomials)
Let $R(x)=P(x... | |
# Recent and upcoming talks by Kaethe Minden
## BEST 2016 slides
The 23rd BEST conference was held June 15–16 in San Diego, CA. Shehzad Ahmed – Jonsson cardinals and pcf theory Liljana Babinkostova – A weakening of the closure operator Kyle Beserra – On the conjugacy problem for automorphisms of countable regular tre... | |
0 like 0 dislike
94 views
If $d = 2.0453$ and $d^{*}$ is the nearest decimal obtained by rounding $d$ to the nearest hundredth, what is the value of $d^{*} - d$?
| 94 views | |
# Recent questions tagged functional
Notice: Undefined index: avatar in /home/customer/www/mathsgee.com/public_html/qa-theme/AVEN/qa-theme.php on line 993
Let $A$ be a positive definite $n \times n$ real matrix, $\vec{b}$ a real vector, and $\vec{N}$ a real unit vector.
1 answer 167 views
Let $A$ be a positive definit... | |
Building blocks
# $t$ for $\tan$ Add to your resource collection Remove from your resource collection Add notes to this resource View your notes for this resource
## Problem
If we write $t = \tan \theta$, then the following equations are true.
\begin{align*} \tan 2\theta &= \frac{2t}{1-t^2}, \\ \sin 2\theta &= \fra... | |
10
Q:
# A train running at the speed of 40 km/hr crosses a signal pole in 9 seconds. Find the length of the train ?
A) 90 mts B) 150 mts C) 120 mts D) 100 mts
Explanation:
We know that $Speed=distancetime$
distance= speed * time
$⇒$
d= 100 mts.
Q:
Agra and Delhi are 160 km apart. A train leaves Agra for Del... | |
# What are the challenges to achieving cold fusion?
I am an absolute neophyte regarding physics. What are the challenges to achieving cold fusion?
I'm not sure this is a duplicate of Why is cold fusion considered bogus?, because that question is talking largely about the validity of some claims of cold fusion being r... | |
• 42
## Goal
For many years, means have been in place to assess the IQ of many people. Although not everyone agrees with the notion of intelligence, it is ironically quantifiable. This evaluation is carried out in particular through various tests. Today, you are one of those people who takes one of these tests, but b... | |
# Tutte’s Spring Embedding Theorem
In 1963, William Tutte published a paper ambitiously entitled “How to Draw a Graph”. Let $$\Sigma$$ be any planar embedding of any simple planar graph $$G$$.
• Nail the vertices of the outer face of $$\Sigma$$ to the vertices of an arbitrary strictly convex polygon $$P$$ in the plan... | |
# derivative of vector using prime symbol [duplicate]
The problem is shown on the picture. I want to use prime symbol for derivative of vector, but as you can see, it doesn't look well (prime symbol and vector arrow are 'glued' together). What would be the easiest way to fix it?
## marked as duplicate by egreg, Steve... | |
• 论文 •
太湖流域南宋以来旱涝规律及其成因初探
1. 中国科学院南京地理与湖泊研究所
• 出版日期:1989-01-20 发布日期:1989-01-20
A PRELIMINARY RESEARCH ON THE REGULARITY AND FACTORS OF CHANGES OF FLOOD AND DROUGHT IN TAIHU LAKE BASIN SINCE THE SOUTHERN SONG DYNASTY
Chen Jiaqi
1. Nanjing Institute of Geography and Limnology, Academia Sinica
• Online:1989-01-20 Pub... | |
# incrementalConceptDriftDetector
Instantiate incremental concept drift detector
## Syntax
``IncCDDetector = incrementalConceptDriftDetector()``
``IncCDDetector = incrementalConceptDriftDetector(DetectionMethod)``
``IncCDDetector = incrementalConceptDriftDetector(DetectionMethod,Name=Value)``
## Description
````In... | |
## December 9, 2005
### Exotic Instanton Effects
I’ve been reading the recent Beasley-Witten paper on instanton effects in string theory.
As you know, instantons can have dramatic effects on the vacuum structure of supersymmetric gauge theories. They can induce a superpotential that lifts degeneracies that are prese... | |
Question 11
# In the following question, select the odd word pair from the given alternatives.
Solution
Car works with the help of Petrol, Bulb works with help of Electricity, Pen works with the help of Ink but Pencil can work without the help of Paper.
$$\therefore\$$Pencil - Paper is the odd word pair among the g... | |
# News this Week
Science 23 Nov 2007:
Vol. 318, Issue 5854, pp. 1224
1. DEVELOPMENTAL BIOLOGY
# Field Leaps Forward With New Stem Cell Advances
1. Gretchen Vogel,
2. Constance Holden
For a year and a half, stem cell researchers around the world have been racing toward a common goal: to reprogram human skin cells d... | |
ISSN:2164-6376 (print)
ISSN:2164-6414 (online)
Discontinuity, Nonlinearity, and Complexity
Dimitry Volchenkov (editor), Dumitru Baleanu (editor)
Dimitry Volchenkov(editor)
Mathematics & Statistics, Texas Tech University, 1108 Memorial Circle, Lubbock, TX 79409, USA
Email: dr.volchenkov@gmail.com
Dumitru Baleanu (e... | |
# Chapter 6 - Review - Exercises: 8
$V=\frac{117 \pi }{5}$
#### Work Step by Step
{Step 1 of 6}: First, find the points of intersection of the curves $x=1+y^{2}$ and $x=y+3 \left( x-3=y \right)$ $1+y^{2}=y+3$ $y^{2}-y-2=0$ $y^{2}-y-2=0$ $y \left( y-2 \right) +1 \left( y-2 \right) =0$ $y=2$ or $y=-1$ The points of in... | |
# Bella has 8 pies and she can make 2 pies an hour. Tina has 2 pies and she can make 3 in an hour. How many hours will it take for Tina to have as many pies as Bella?
### Another question on Mathematics
Mathematics, 21.06.2019 20:00
It is given that the quadratic equation hx²-3x+k=0, where h and k are constants, has ... | |
Title Measurement of neutral strange particle production in the underlying event in proton-proton collisions $\sqrt{s}=7$ TeV Measurement of neutral strange particle production in the underlying event in proton-proton collisions $\sqrt{s}=7$ TeV Author Chatrchyan, S. Khachatryan, V. Sirunyan, A. M. Alderweireldt, S. Ba... | |
Open access peer-reviewed chapter - ONLINE FIRST
# Ethics of Using Placebo Controlled Trials for Covid-19 Vaccine Development in Vulnerable Populations
Written By
Lesley Burgess, Jurie Jordaan and Matthew Wilson
Submitted: February 10th, 2022Reviewed: April 1st, 2022Published: May 5th, 2022
DOI: 10.5772/intechopen... | |
# Math Help - Arithmetic mean and Geometric mean
1. ## Arithmetic mean and Geometric mean
Q) A and B are two numbers such that there G.M is 20% lower than their A.M .Find the ratio between the two numbers.
Thanks,
Ashish
2. Originally Posted by a69356
Q) A and B are two numbers such that there G.M is 20% lower than... | |
# Proving a topological space is/is not Hausdorff?
I know this is a basic question, but I am having trouble proving that particular topological spaces are/are not Hausdorff and was wondering if I could get some guidance. For example, I have to decide whether or not the half-open topology is Hausdorff and then prove my... | |
# Kerodon
$\Newextarrow{\xRightarrow}{5,5}{0x21D2}$
Construction 3.3.6.1 (The $\operatorname{Ex}^{\infty }$ Functor). For every nonnegative integer $n$, we let $\operatorname{Ex}^{n}$ denote the $n$-fold iteration of the functor $\operatorname{Ex}: \operatorname{Set_{\Delta }}\rightarrow \operatorname{Set_{\Delta }}$... | |
+0
# Compute the sum $$\frac{2}{1 \cdot 2 \cdot 3} + \frac{2}{2 \cdot 3 \cdot 4} + \frac{2}{3 \cdot 4 \cdot 5} + \cdots$$
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Compute the sum $$\frac{2}{1 \cdot 2 \cdot 3} + \frac{2}{2 \cdot 3 \cdot 4} + \frac{2}{3 \cdot 4 \cdot 5} + \cdots$$
michaelcai Oct 5, 2017
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6.9.12
G... | |
6 added 13 characters in body edited Dec 7 '13 at 12:33 Engineer 26.8k33 gold badges5757 silver badges112112 bronze badges 3 cases can occur, where your entity is standing: exactly upon a node (no problem here) between 4 nodes (as per your example -- we need to fix) on the grid boundary between exactly 2 nodes (need to... | |
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In modular arithmetic, we select an integer, n, to be our \modulus". ... it has a modular inverse that you can find with the extended Euclidean algorithm. Question 6 from Tom Rocks Maths and I Love Mathematics - answering the questions sent in and voted for by YOU. The production of instructional material is time consu... | |
# Gravitational Wave Taxonomy
### Researchers undecided on how to classify the first publicly announced gravitational wave detection from LIGO-Virgo’s third observing run
Authors: Ming-Zhe Han, Shao-Peng Tang, Yi-Ming Hu, Yin-Jie Li, Jin-Liang Jiang, Zhi-Ping Jin, Yi-Zhong Fan, Da-Ming Wei
First Author’s Institution... | |
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# How to remove single quote in front of numbers in a cell
asked 2017-01-26 00:07:15 +0100
This post is a wiki. Anyone with karma >75 is welcome to improve it.
I have cut and pasted numbers with dollar sign [ $] looking like this [$29,825 ] that are formatted as text. When I format them as "curren... | |
## kyanda17 one year ago Simplify (1/2)4.squared
1. Michele_Laino
is your expression like this: $\Large {\left( {\frac{1}{2}} \right)^4}$
2. kyanda17
yes
3. Michele_Laino
we can write this: $\Large {\left( {\frac{1}{2}} \right)^4} = \frac{1}{{{2^4}}} = ...?$
4. mathstudent55
Rule: $$\Large \left( \dfrac{a}{b} \... | |
# Math Help - 2 interesting problems
1. ## 2 interesting problems
1. Let $g(n)$ be the greatest odd divisor of $n$, show that $
\mathop {\lim }\limits_{n \to + \infty } \tfrac{1}
{n} \cdot \sum\limits_{k = 1}^n {\tfrac{{g\left( k \right)}}
{k}}
$
exists and find it ( Bulgaria 1985)
2. Find all $
k \in \mathbb{Z}\text... | |
23rd
Jul 2017
Stuhl
@Stuhl
Jul 23 2017 00:04
@Hijerboa No var is not global scoped, they also have function scope if they get defined in one
they difference between let and var is that let is block scoped which means for example if you define one in a if condition and do for example {let a = 1} and want to print it out... | |
# The operation of scalar field $\phi (\vec x)$ on vacuum state
I am now learning the Quantum Field Theory by reading the lecture notes by David Tong.
I have some question about the mode expansion about the real scalar field that is canonically quantized by promoting the classical Klein Gordon field to a quantum fiel... | |
# “Hidden” variable in Simulink models
Some example models that are included in the Simulink library, there are some variables that their value is not visible. For instance, in the model power_PVarray_grid_det the sample time of the powergui is defined as Ts_Power. I can not figure out the value of this variable. Is t... | |
# How to convert PDF to text by command line?
In this article, I will show you how to convert PDF to text by command line. Even if now many PDF readers allow you to directly select the contained text by mouse drag and then copy the selected text using Ctrl+C & Ctrl+V , you can paste the copied text wherever you want.... | |
×
Symbol doubt
Sir,
In the Picture.,
• Whats the meaning of that symbol (in the red box).?
• What is the name of that symbol?
• Explanation about the working way of that symbol?
• Any websites(if any) suggest for more Detailed Information about that symbol?
Note by Vamsi Krishna Appili
3 years, 8 months ago
So... | |
1. ## About Euler's constant (2)...
Given ...
$\displaystyle \gamma(z)= \int_{0}^{\infty} t^{z}\cdot e^{-t}\cdot dt$ (1)
... and the Euler's constant...
$\displaystyle \gamma = \lim_{n \rightarrow \infty} \{\sum_{k=1}^{n} \frac{1}{k} - \ln n \}= .577215664901...$ (2)
... demonstrate from definition (2) that is...
... | |
# Using bbPress as a Support Forum
bbPress is a tremendous plugin that provides a complete forum system done the WordPress way. Along with simply providing a great forum system for discussion boards, bbPress also works exceptionally well as a support platform, though there are several features that are missing from th... |
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