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Subjects -> STATISTICS (Total: 130 journals)
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Metrika [SJR: 0.605] [H-I: 30] [4 followers] Follow Hybrid journal (It can contain Open Access articles) ISSN (Pri... | |
# Page 3 Math: Problem Solving and Data Analysis Study Guide for the SAT® exam
#### Confidence Interval
A confidence interval describes both the degree of accuracy and the uncertainty of an estimated value. On the SAT exam, confidence intervals will be given, and it’s a usually 95% confidence level.
What does it mea... | |
My Math Forum The counting of p-sylow groups
Abstract Algebra Abstract Algebra Math Forum
July 17th, 2012, 10:55 AM #1 Senior Member Joined: Sep 2011 Posts: 140 Thanks: 0 The counting of p-sylow groups Ok it says that for a group with order G, |G|=60, it has 6 5-sylow subgroups and 10 3-sylow subgroups, and 12,5 ... | |
Problem Indicate which orbitals overlap to form the $\sig… View Full Video. A description of the hybridization of NH3.Note that the NH3 hybridization is sp3 for the central Nitrogen (N) atom. 9.5: Hybrid Orbitals Last updated; Save as PDF Page ID 21755; Hybridization of s and p Orbitals; Hybridization Using d Orbitals;... | |
# Re: Request for Enhancement: Shorten paths in progress dialog
From: Dominik Herrmann <d.herrmann_at_exoneon.de>
Date: 2006-03-27 15:22:04 CEST
Stefan Küng wrote:
> On 3/27/06, Dominik Herrmann <d.herrmann@exoneon.de> wrote:
>>
>>I am a frequent user of TSVN and have a feature request:
>>
>>If I use SVN update, SVN ... | |
# Tag Info
1
The Chronology Protection Conjecture is an entire bundle of rough theorems, counterexamples and conjectures. Hawking's original paper on the topic hinges on two main arguments : That compactly generated closed timelike curves (aka "a time machine", roughly) will violate the energy conditions. That a Cauc... | |
# Thread: Need help in calculating the volume of a cone
1. ## Need help in calculating the volume of a cone
Help please. Need volume of cone. IF it base is 30 cm and is 45 cm tall. What is the volume? What is the caluclation you used?
2. Originally Posted by stern4488
Help please. Need volume of cone. IF it base is ... | |
(49 pages) – on the arXivpublished in Algebraic & Geometric Topology.
Abstract: We define a “sutured topological quantum field theory”, motivated by the study of sutured Floer homology of product 3-manifolds, and contact elements. We study a rich algebraic structure of suture elements in sutured TQFT, showing that it ... | |
Calculating Experimental Error
Tags:
1. Oct 5, 2014
Lemenks
1. The problem statement, all variables and given/known data
I am writing a lab report for an X-ray diffraction. I have been attempting to come up with an equation for the error using formulas some people from college gave me and also some I found on wikip... | |
# Union of closed intervals on $\mathbb{R}$
Suppose there are multiple intervals on $\mathbb{R}$, e.g., $[0,0.5]$, $[0.4,1]$, $[1.5,2]$, the union of them should be $[0,1]$ and $[1.5,2]$. Is there a specific datastructure (or algorithm) for computing such union?
A variation of this problem is to union intervals on cy... | |
### Filter by type:
Sort by year:
#### Towards an Objective Measure of Developers' Cognitive Activities
Zohreh Sharafi, Yu Huang, Kevin Leach, and Westley Weimer
Journal Paper ACM Transaction on Software Engineering and Methodology (TOSEM), 2021
#### Abstract
Understanding how developers carry out different comput... | |
# Closure of $L(\ell^2,\ell^2)$ in $L(\ell^2,\ell^\infty)$
Let $\ell^2$, $\ell^\infty$ denote the usual sequence spaces and let $L(\ell^2,\ell^2)$ the Banach space of bounded linear operators from $\ell^2$ to $\ell^2$ as well as $L(\ell^2,\ell^\infty)$ the Banach space of bounded linear operators from $\ell^2$ to $\el... | |
# Put figure and listing side by side [duplicate]
This question already has an answer here:
I'm trying to put a listing and figure side by side. I tried to follow the suggestions in this link How to put algorithm and figure(s) side by side? without using caption package but the listing stays below in the figure.
\be... | |
## Miscellaneous Properties
These properties do not fit nicely into a group, and are presented here.
tablespace
Similar to indexspace above. Sets a directory into which tables created will be placed. This property does not stay set across invocations. Default is empty string, which means the database directory.
date... | |
# Tag Info
1
The simple answer is that a wing moves through the air generally at a non-zero angle of attack. The air flow below the wing sort of impacts the wing surface, compressing and slowing down as it is deflected. See this Drawing:
0
If you mean what I think you mean, then your idea won't work as well as you'... | |
# Equation solutions
• Dec 11th 2009, 08:44 AM
Stuck Man
Equation solutions
I want to find x-axis intercepts of this equation:
(sin x+0.5)(sin x-0.25)=0.25
0 <= x <= 360.
So sin x=-0.25 or sin x=0.5
One of the associated acute angles is 30 which is found from sin x=0.5. The other is 48.59 but I don't know where it ... | |
### Undecidability for dummies
It's been my experience that many important "complex" theorems are complicated in only one or two parts. Oftentimes, if you're willing to accept a lemma or two without proof, you can understand the entire thing. So this is a post explaining what I think is a fairly complicated topic, but... | |
# 6.2 The Gram-Schmidt Orthogonalization Process and Orthogonal Complements
In previous chapters, we have seen the special role of the standard ordered bases for and . The special properties of these bases stem from the fact that the basis vectors form an orthonormal set. Just as bases are the building blocks of vect... | |
# Are these endless if statements a bad pattern?
I'm only asking because almost the entire code base I've inherited here, in C# and PHP, looks like this:
if (varOne == flag) {
run_some_sql();
set_some_flag = true;
}
if (varTwo == flag) {
run_some_sql();
set_some_flag = true;
}
if (varThree == flag) {
run_some_sql()... | |
시간 제한 메모리 제한 제출 정답 맞은 사람 정답 비율
2 초 512 MB 210 91 71 43.558%
## 문제
Farmer John's $N$ cows ($1 \leq N \leq 10^5$), numbered $1 \ldots N$ as always, happen to have too much time on their hooves. As a result, they have worked out a complex social hierarchy related to the order in which Farmer John milks them every mornin... | |
By awoo, history, 3 years ago, translation,
Series of Educational Rounds continue being held as Harbour.Space University initiative! You can read the details about the cooperation between Harbour.Space University and Codeforces in the blog post.
This round will be rated for the participants with rating lower than 210... | |
## Taiwanese Journal of Mathematics
### The Influence of Conjugacy Class Sizes on the Structure of Finite Groups
#### Abstract
Let $G$ be a group. The question of how certain arithmetical conditions on the sizes of the conjugacy classes of $G$ influence the group structure has been studied by many authors. In this p... | |
# What convervation law is required by the Lorentz Transformations
Time invariance implies conservation of energy. Space invariance implies momentum convervation. What convervation law does the Lorentz invariance imply?
## Answers and Replies
dextercioby
Homework Helper
Angular momentum. Immediate by Noether's theor... | |
# News for November 2013
The action in November is mainly in algebraic property testing.
On Testing Affine-Invariant Properties by Arnab Bhattacharyya (ECCC). As mentioned here, Arnab put together an excellent survey on testing, ahem, affine-invariant properties. It gives a great overview of this area for a non-exper... | |
GMAT Question of the Day - Daily to your Mailbox; hard ones only
It is currently 20 Oct 2018, 18:47
### GMAT Club Daily Prep
#### Thank you for using the timer - this advanced tool can estimate your performance and suggest more practice questions. We have subscribed you to Daily Prep Questions via email.
Customize... | |
# Proving two stubborn inequalities for completely positive maps in C*-algebras
I recently came across this in my studies of functional analysis in C* algebras which got me stuck:
For a completely positive map between C* algebras $\phi : A \to B$ we are to prove these two inequalities where $a,b \in A$:
$\phi(a) ^{*... | |
## Microstate
$\Delta S = \frac{q_{rev}}{T}$
Emily Ng_4C
Posts: 65
Joined: Fri Sep 28, 2018 12:17 am
### Microstate
What is a microstate and how does it relate to entropy?
LedaKnowles2E
Posts: 62
Joined: Fri Sep 28, 2018 12:27 am
### Re: Microstate
From what I understand from lecture, a microstate is a specific ... | |
32
Q:
# The ratio of expenditure and savings is 3 : 2 . If the income increases by 15% and the savings increases by 6% , then by how much percent should his expenditure increases?
A) 25 B) 21 C) 12 D) 24
Explanation:
Therefore x = 21%
Q:
In a 48 ltr mixture, the ratio of milk and water is 5:3. How much water sho... | |
# Receiving Data
The receiver data recovery circuit initiates character reception on the falling edge of the first bit. The first bit, also known as the Start bit, is always a zero. The data recovery circuit counts one-half bit time to the center of the Start bit and verifies that the bit is still a zero. If it is not... | |
Learning to become a baker
Why there are more and more industrial bakers who don’t care what they sell.
13 October 2013
braindump learning baking bread
Originally posted on Medium.
Red Zuurdesem, my website about baking with sourdough, has been active since 2012, and still is. I hold a professional bread baker’s de... | |
Algorithms
# Understanding Big O
## How efficient is your algorithm?
Image credit: Wikimedia
It’s indispensable to have a clear understanding of basic algorithms before attending a programming interview. In order to understand algorithms, it’s also important to know to measure the efficiency of an algorithm. This i... | |
# The brand manager for a brand of toothpaste must plan a campaign designed to increase brand recognition. He wants to first determine
#### ByRaju Chaudhari
Aug 23, 2020
The brand manager for a brand of toothpaste must plan a campaign designed to increase brand recognition. He wants to first determine the percentage... | |
# Generating a Vanity .onion Address
📅
Original image from Michael Carian on Flickr. Some rights reserved: cc by-sa.
If you use Tor then you've probably noticed that some .onion sites have addresses that don't look totally random, like facebookcorewwwi.onion or demonhkzoijsvvui.onion. Tor addresses are supposed to ... | |
# Let R be a commutative ring and let I be an ideal in R.
1. Nov 12, 2005
### Icebreaker
Let R be a commutative ring and let I be an ideal in R.
1. If every ideal in R is principal, then every ideal in R/I is principal.
2. If every ideal in R/I is principal, then every ideal in R is principal.
I must prove or dispro... | |
The relationship between the Fahrenheit (F) and Celsius (c)temperature scales is given by the equation
(a) complete the table to compare the two scales at the givenvalues.
C
F
(b) Find the temperature at which the scales agree. (hint: suppose that a is the temperature at which the scalesagree. Set F = a and C =a. Then... | |
## Gravitation | DPP | JEE Main | JEE Advanced
From gravitation you can expect 1 question each in JEE Main and JEE Advanced. This topic can be scoring if you can master all different types of questions
Q1 A Saturn year is $29.5$ times the Earth year. How far is the Saturn from the Sun if the Earth is $1.50 \times 10^... | |
# Show that if $c_n = \int_{-1}^1 (1-t^2)^\frac{n-1}{2}dt$ then $c_n = \frac{n-1}{n}c_{n-2}$
Question: Show that if $c_n = \int_{-1}^1 (1-t^2)^\frac{n-1}{2}dt$ then $c_n = \frac{n-1}{n}c_{n-2}$. I have tried two things both of which I didn't get super far with. First, I tried dividing n into two cases odd and even and... | |
# Visualizing Data
Tables and lists are great, but visualizations are often more effective—if they’re well designed and your audience is sighted, that is. There are even more ways to visualize data in the browser than there are front-end toolkits for JavaScript. We have chosen to use Vega-Lite, which is a declarative ... | |
A brain teaser
riddles 28 December 2012
These two brain teasers posted on /r/math impressed me greatly, so I decided to present them here.
You have been abducted by terrorists and blindfolded. They sit you down at a table and tell you that if you can solve two puzzles then they will let you go.
There is a deck of 5... | |
Why does symrcm create larger band width?
When I run the following (in Matlab) on a sparse matrix $A$, I get larger band width. The symrcm (symmetric reverse Cuthill-McKee permutation) is not guarenteed to find the smallest band width, but it makes no sense for it to increase. What is wrong here?
reorderingForSmallBa... | |
# Emacs 25.2 on Ubuntu
2017/07/03
Emacs is undoubtedly the most important program on my computers. On my laptop, I use it to keep track of stuff with org-mode, read mail with mu4e, edit LaTeX with AUCTeX, and of course program. On servers, the first alias I define is usually qe='emacs -Q -nw', which give me a fast an... | |
The formula of arithmetic mean is calculated by adding all the available periodic returns and divide the result by the number of periods. There are also other means of calculating averages such as Median and Mode. What does the geometric standard deviation mean? M D = The main features of the mean deviation are: All. A... | |
DOWNLOAD (Mirror.. Access Abstract Algebra 3rd Edition Chapter 7.2 solutions now. Locally owned, Solar powered, Union proud. Solutions Dummit Foote Abstract Algebra Chapter 7 Zip gt DOWNLOAD Mirror 1.. Part I I - RI NG THEO RY Chapter 7. Download pdf × Close Log In. David S. Dummit and Richard M. Foote are the authors ... | |
Sales Toll Free No: 1-800-481-2338
# Is pi a Rational Number?
Top
Let us remind the concept of Rational Numbers. Rational numbers are the Ratio of two different unified integers. Or in other words, we can say that rational numbers are simply the ratio of two numbers with no common factor in them. Now, any fractional... | |
# BGE - Calculate Acceleration from Velocity
I need to calculate acceleration of my rigid-body object in Blender Game Engine. What I did now is:
from bge import logic
from mathutils import Vector
if not "prevspeed" in own:
own["prevspeed"] = Vector((0, 0, 0))
speed = ob.localLinearVelocity
acceleration = speed - own... | |
# Why is the distinction between Mott Insulators and Charge Transfer Insulators important?
Strongly-correlated metals often become insulators due to the repulsive Coulomb interaction, and the basic model here is the Mott-Hubbard Model:
$$H=-t\sum(\hat{c}_{i,\sigma}^{\dagger}\hat{c}_{j,\sigma}+\hat{c}_{j,\sigma}^{\dag... | |
## Trust, but verify
“Doveryai, no proveryai” (translated as “trust, but verify”) is a Russian proverb, which became a signature phrase of Ronald Reagan during his nuclear-disarmament negotiations with Mikhail Gorbachev.
Last week, this phrase was used by *The Economist * to describe the troublesome state of modern s... | |
Ian Jauslin
## Non-perturbative Solution of the 1d Schrodinger Equation Describing Photoemission from a Sommerfeld model Metal by an Oscillating Field
2022
### Abstract
We analyze non-perturbatively the one-dimensional Schrodinger equation describing the emission of electrons from a model metal surface by a classic... | |
# VocabularyTaking a painting class was just a idea Bob had when he was bored one day. But that turned out to be the Vocab words:Aesthetic
###### Question:
Vocabulary Taking a painting class was just a idea Bob had when he was bored one day. But that turned out to be the
Vocab words:
Aesthetic
Catalyst
Disparage
Ingr... | |
# Universal features of Lifshitz Green’s functions from holography
Cynthia Keeler, Gino Knodel, James T. Liu, Kai Sun
Research output: Contribution to journalArticle
4 Citations (Scopus)
### Abstract
We examine the behavior of the retarded Green’s function in theories with Lifshitz scaling symmetry, both through d... | |
## Smooth approximations of global in time solutions to scalar conservation laws.(English)Zbl 1172.35450
Summary: We construct global smooth approximate solution to a scalar conservation law with arbitrary smooth monotonic initial data. Different kinds of singularities interactions which arise during the evolution of ... | |
# Web scraping with R: Visualizing hockey statistics
I wanted to visualize the personal statistics for the hockey players of Stavanger Oilers, for the 2018/2019 season.
The data material is scraped from both Elite Prospects and Hockey live (regular season and playoffs), using the R-package rvest, as described in this... | |
What is the modulo of 4?
In computing, the modulo operation returns the remainder or signed remainder of a division, after one number is divided by another (called the modulus of the operation).
Given two positive numbers a and n, a modulo n (abbreviated as a mod n) is the remainder of the Euclidean division of a by ... | |
# Tangent vector as derivation question
1. Jul 8, 2015
### orion
I have a question concerning the tangent space.
Consider a manifold Mn and take Mn to be ℝn with the Euclidean metric for the purposes of this question.
The directional derivative of a function in the direction of a vector v is
(a) vf = ∑ vi(∂f/∂xi)... | |
# Revision history [back]
Sage uses PYTHONPATH for its own purposes. If you add the directory to SAGE_PATH (export SAGE_PATH=/some/dir/here) it should work, at least it seems to for me.
Beware: it looks like SAGE_PATH is added before Sage's existing python in sage-env:
PYTHONPATH="$SAGE_PATH:$SAGE_ROOT/local/lib/pyt... | |
## Nagoya Mathematical Journal
### Automorphisms of Coxeter groups and Lusztig's conjectures for Hecke algebras with unequal parameters
Cédric Bonnafé
#### Abstract
Let $(W, S)$ be a Coxeter system, let $G$ be a finite solvable group of automorphisms of $(W, S)$ and let $\varphi$ be a weight function which is invar... | |
# Catenary differential equation (suspension bridge)
• July 13th 2011, 05:31 PM
cbjohn1
Catenary differential equation (suspension bridge)
So I am getting stuck trying to solve this. pgA and Tx are constants
d^2h/dx^2 = (pgA/Tx)*sqrt(1+(dh/dx)^2)
I substitute dh/dx = sinh(u), d^2h/dx^2 = coshu(du/dx)
then you get (p... | |
# How to fix messed up page numbering in thesis
In writing my MS thesis I have to add Certificate of Examination and declaration by student pages and I tried to add them by using \chapter*. But the problem is page numberings is now messed up. In the following code CoE, Declaration and acknowledgment are getting number... | |
# AP SSC 10th Class Maths Solutions Chapter 5 Quadratic Equations Optional Exercise
## AP State Syllabus SSC 10th Class Maths Solutions 5th Lesson Quadratic Equations Optional Exercise
AP State Board Syllabus AP SSC 10th Class Maths Textbook Solutions Chapter 5 Quadratic Equations Optional Exercise Textbook Questions... | |
# [SOLVED] Probability Tree Diagram Problem
• Feb 27th 2010, 02:08 PM
fb280
[SOLVED] Probability Tree Diagram Problem
I'm trying to figure out how I would put this problem into a tree diagram, and how i would read it.
"A computer package sale comes with two different choices of printers and four different choices of ... | |
# First Order Linear Differential Equations Examples
ZEROLAW.TECH - That linear the the is equation- f is function x y linear differential is in is Solved is f a order equation and function xy order b- y mx then linear y equation takes the first equation first examples form the the a linear expression f equation f p x... | |
#### Heron's formula
hsf
Heron's formula gives the area of a triangle when the lengths of all three sides are known. Given the lengths of the three sides of a triangle, a, b, c, the area of the triangle can be determined as
A = \sqrt{s(s-a)(s-b)(s-c)}
where s = \dfrac{a+b+c}{2} , semi-perimeter of the triangle.
Th... | |
# [time 394] Re: [time 391] Re: [time 388] Re: [time 384] Re: [time 380] Re: [time 376] Whatare observers
Tue, 8 Jun 1999 14:14:57 +0900
Dear Matti,
This is a supplementary remark with some questions.
----- Original Message -----
From: Matti Pitkanen <matpitka@pcu.helsinki.fi>
Sent: Monday, June 07, 1999 6:05 PM
Su... | |
anonymous 3 years ago what is double integral function? how to solve double integral function?
1. anonymous
Double Integral: http://mathworld.wolfram.com/FubiniTheorem.html You solve in the order of the integral, if dy comes first, you solve as simple integral considering x as constant, after that, solve the integral... | |
Stories pertaining to Magnetic Resonance, Chemistry, Programming, and Life
### Hard and Soft Linking in Linux
Sometimes it’s nice to have files accessible from more than one location on your computer, but to only actually have one copy of the file (it can save on drive space for really big files!). An example of wher... | |
Under the auspices of the Computational Complexity Foundation (CCF)
REPORTS > KEYWORD > MERGERS:
Reports tagged with mergers:
TR05-025 | 20th February 2005
Zeev Dvir, Ran Raz
#### Analyzing Linear Mergers
Mergers are functions that transform k (possibly dependent)
random sources into a single random source, in a way... | |
# Differential Equation, DE
## Eliminate the Arbitrary Constants
Please do leave a solution so I can study it, thank you!
Obtain the differential equation by eliminating the arbitrary constants.
1. Cxsiny+x^(2)y=Cy
2. y=Ae^(-3x)-Be^(2x)+Cx^3
3. Ay=e^(Bx^2)
## Differential Equation: $y' = x^3 - 2xy$, where $y(1)=1$ ... | |
Power Series Expansion for Hyperbolic Cosine Function
Theorem
$\displaystyle \cosh x$ $=$ $\displaystyle \sum_{n \mathop = 0}^\infty \frac {x^{2 n} } {\left({2 n}\right)!}$ $\displaystyle$ $=$ $\displaystyle 1 + \frac {x^2} {2!} + \frac {x^4} {4!} + \frac {x^6} {6!} + \cdots$
valid for all $x \in \R$.
Proof
$\dfr... | |
# Math Help - Curl of a vector field: good remembering technique
1. ## Curl of a vector field: good remembering technique
We all know that $\text{curl} \ \bold{F} = \left(\frac{\partial R}{\partial y} - \frac{\partial Q}{\partial z} \right) \bold{i} + \left(\frac{\partial P}{\partial z} - \frac{\partial R}{\partial x... | |
# sin
## Syntax
``Y = sin(X)``
## Description
example
````Y = sin(X)` returns the sine of the elements of `X`. The `sin` function operates element-wise on arrays. The function accepts both real and complex inputs. For real values of `X`, `sin(X)` returns real values in the interval [-1, 1].For complex values of `X... | |
## Unit11.3.3Jacobi's method for computing the Singular Value Decomposition
Just like the QR algorithm for computing the Spectral Decomposition was modified to compute the SVD, so can the Jacobi Method for computing the Spectral Decomposition.
The insight is very simple. Let $A \in \mathbb R^{m \times n}$ and partiti... | |
# 1 Ph PS= Ph Ph Ph PS Ph Ph
###### Question:
1 Ph PS= Ph Ph Ph PS Ph Ph
#### Similar Solved Questions
##### A major coffee supplier has warehouses in Seattle and San Jose. The coffee supplier receives orders...
A major coffee supplier has warehouses in Seattle and San Jose. The coffee supplier receives orders from... | |
# Daily Research Log 2014-4-17
Write
• Plan for program
• Begin by writing a two step algorithm, where L is always fixed, H and F are updated iteratively.
# Daily Research Log 2014-4-16
• Iterative method, pdf
• Linear system
• Vector
• Spectral radius & converge rate
# Daily Research Log 2014-4-15
• A Taxonomy a... | |
# American Institute of Mathematical Sciences
doi: 10.3934/mcrf.2021016
## Modeling the pressure distribution in a spatially averaged cerebral capillary network
1 Technische Universität München, 81675 Munich, Germany 2 Far Eastern Federal University, 690950 Vladivostok, Russia 3 Institute for Applied Mathematics, F... | |
Negative Sharpe Ratio for a positive return. why?
Hi,
So I just started learning from Quantopian and while I was playing with the following algorithm, I got a negative value of Sharpe Ratio while the returns were positive.
def initialize (context):
context.vrx = sid(10908)
def handle_data (context, data):
order_tar... | |
# Harry R. Schwartz
Software engineer, nominal scientist, gentleman of the internet.
Member, ←Hotline Webring→.
· 1B41 8F2C 23DE DD9C 807E A74F 841B 3DAE 25AE 721B
ovo-lacto vegetarian
he
him
his
### EmacsConf 2015
Published .
Tags: beards, conferences, emacs, personal.
I’m on a plane back to Boston after a lo... | |
# Permutations and Combinations exam question
Before I proceed with my queries I think it's best to present the question at hand.
A class consisting of 4 males and 12 females in randomly divided into 4 groups of 4. What is the probability that each group consists of a male and three females?
Now the given answer for... | |
# What are the invariants of $U\otimes V\otimes W$ under action of $GL(U)\times GL(V) \times GL(W)$
The tensor product of some (finite dimensional real) vector spaces is acted on by the direct product of their general linear groups. I would like to know if there are explicit invariants in the case of 3 vector spaces. ... | |
<img src="https://d5nxst8fruw4z.cloudfront.net/atrk.gif?account=iA1Pi1a8Dy00ym" style="display:none" height="1" width="1" alt="" />
# Expressions with Whole Numbers
## Includes product of a number and the sum of whole numbers
%
Progress
MEMORY METER
This indicates how strong in your memory this concept is
Progress
... | |
# What Is Viscous Fluid?
Fluids that have higher viscosity are known as viscous fluid. Examples of viscous fluids are honey and ketchup. The fluid that has more flow resistance is referred to as viscous fluid. Viscosity is a fluid factor, which is the degree of the amount of resistance between the fluid layers.
### W... | |
Want to share your content on R-bloggers? click here if you have a blog, or here if you don't.
# Stop using bivariate correlations for variable selection
Something I've never understood is the widespread calculation and reporting of univariate and bivariate statistics in applied work, especially when it comes to mode... | |
category theory
# Contents
## Idea
The Freyd cover of a category is a special case of Artin gluing. Given a category $\mathcal{T}$ and a functor $F: \mathcal{T} \to Set$, the Artin gluing of $F$ is the comma category $Set \downarrow F$ whose objects are triples $(X, \xi, U)$ where:
• $X$ is a set
• $U$ is an object... | |
## 複素解析幾何セミナー
開催情報 月曜日 10:30～12:00 数理科学研究科棟(駒場) 128号室 平地 健吾, 高山 茂晴, 細野 元気
### 2018年01月15日(月)
10:30-12:00 数理科学研究科棟(駒場) 128号室
Vanishing theorems of $L^2$-cohomology groups on Hessian manifolds
[ 講演概要 ]
A Hessian manifold is a Riemannian manifold whose metric is locally given by the Hessian of a function with respec... | |
## briana.img one year ago How to find the angle measure of T?
1. briana.img
I have no idea how to solve this since there's no other angle measure
2. anonymous
Try the law of cosines. Do you know it?
3. wolf1728
Here is the Law of Cosines
4. briana.img
@wolf1728 are you sure thats it? i thought it was a^2=b^2+c... | |
Reference documentation for deal.II version Git 92ca227 2018-05-25 19:47:08 -0500
The step-8 tutorial program
This tutorial depends on step-6.
1. Introduction
2. The commented program
# Introduction
In real life, most partial differential equations are really systems of equations. Accordingly, the solutions are usu... | |
CSES Problem Set
# Bit Inversions
CSES - Bit Inversions
Time limit: 1.00 s Memory limit: 512 MB
There is a bit string that consists of $n$ bits. Then, there are some changes that invert bits. Your task is to report, after each change, the length of the longest substring whose each bit is the same.
Input
The firs... | |
## Function of time
(a) Sketch a graph of temperature as a function of time that is consistent with the scenario described in the following sentence: "The Child's temperature has been rising for the last two hours, but not as rapidly since we gave her the antibotic an hour ago." ( Let t=0 correspond to the time when t... | |
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bobbym
2013-06-22 21:43:39
yields 0.001079819330263761
yields 0.0010798643294
Seems pretty good. Try for larger n with x small in comparison to convince yourself numer... | |
# Question prove pigeonhole principle - Need an explanation [Full answer provided]
Training for game throughout 11 weeks, practicing at least 1 game per day and max 12 games per week Proof that there is number of days sequence that equal to 21 games
$$x_{i}$$ sum of number of games until day $$i$$
$$1\leq x_{1}< x_{... | |
# 400V Linear Regulators from Diodes Incorporated Deliver Constant LED Current in Compact Packages
Diodes Incorporated, a leading global manufacturer and supplier of high-quality, application-specific standard products within the broad discrete, logic, analog and mixed-signal semiconductor markets, today announced the... | |
You are currently browsing the monthly archive for May 2013.
Mass. The stuff of stuff. Tough to move about, painful if you run into it, and a tendency for big things to pull together. Recently I’ve been pondering mass, and given the stunning work on the Higgs boson that’s going on at the moment, I thought I might shar... | |
## Essential University Physics: Volume 1 (4th Edition)
$\frac{1}{2}MR^2$
We know the following value for $dm$: $dm = \frac{2Mrdr}{R^2}$ Thus, we find: $I = \int_{0}^{R}r^2dm=I = \int_{0}^{R}r^2 \frac{2Mr}{R^2}dr = \frac{1}{2}MR^2$ | |
Number changing animation with animation nodes?
How to make number changing animation with animation nodes pleae?
First we have to make two lists of texts. first list containing 5 copies of 14.5 260 and second list containing the modified text. Then we can use a switch node to switch between these two lists. The swit... | |
# Is the the complement of the Halting problem NP-hard [duplicate]
Let us define the language (the complement of the Halting Problem):
$$LOOPING = \left\{ \langle M,x \rangle | M \ doesn't \ halt \ on \ x\right\}$$
The question is if $LOOPING$ is NP-Hard. I'm pretty clueless about the answer. I know the the Halting ... | |
# Security
## General discussion
Locked
### help with hijacking
By ·
We have one Dell workstation that is over a year old and has a problem with pop-ups for a while now. A while back I managed to stop them temporarily by removing miscellaneous programs (except Weatherbug), but now they are back with a vengeance. I ... | |
# How many moles of iron are in 1.2*10^25 atoms of iron?
Sep 13, 2016
There are approx. $6.022 \times {10}^{23}$ iron atoms per mole of ion. This quantity, this number of iron atoms has a mass of $55.85 \cdot g$. And of course, when we quote the mass of iron we say $55.85 \cdot g \cdot m o {l}^{-} 1$.
$\left(1.2 \tim... | |
# Solving Percent Problems Using Proportions
Using the vocabulary we used earlier: $$\begin \frac & = \frac \ \frac & = \frac \end$$ (a) After completing the exercises, use this checklist to evaluate your mastery of the objectives of this section.
Tags: Fall Of The Roman Empire EssaysRenaissance Concepts Of Man And O... | |
### mcGyver's blog
By mcGyver, history, 5 weeks ago,
I was solving this 520B - Two Buttons problem. Here maximum input and output size is 10^4. In my code I took N = 10^6 and it was giving Runtime Errorin my local IDE but when I submitted the same code, it got accepted. My submission 116080580. I dont know whether it... | |
# Populism in tweets of German politicians
The last months (years? since ever???) have seen a surge in populism and a rise in nationalism. Not only in Russia, the United States, Turkey, but also in some EU countries the ghost of nationalism-populism seems to be marching and gaining ground.
As to Germany, in September... | |
Measure (mathematics)
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In mathematical analysis
Mathematical analysis
Mathematical analysis, which mathematicians refer to simply as analysis, has its beginnings in the rigorous formulation of infinitesimal calculus. It is a branch of pure mathematics that includes the theories of differentiation, integrati... |
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