arxiv_id stringlengths 0 16 | text stringlengths 10 1.65M |
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## Disclaimer
Peeter’s lecture notes from class. May not be entirely coherent.
## In slides
A review of systematic nodal analysis for a basic resistive circuit was outlined in slides, with a subsequent attempt to show how many similar linear systems can be modeled as circuits so that the same toolbox can be applied.... | |
• 107328 Infos
# Parabolic trajectory
In astrodynamics or celestial mechanics a parabolic trajectory is an orbit with the eccentricity equal to 1. When moving away from the source it is called an escape orbit, otherwise a capture orbit.
Under standard assumptions a body traveling along an escape orbit will coast to ... | |
×
# What are the chances?
If you choose the answer to this question at random, what is the probability that it will be correct?
a) $$25$$ %
b) $$50$$ %
c) $$0$$ %
d) $$25$$ %
Good Luck. :)
Note by Muzaffar Ahmed
3 years, 1 month ago
Sort by:
25% · 2 years, 9 months ago
25 % . Because there are four options e... | |
• ### Cycle-expansion method for the Lyapunov exponent, susceptibility, and higher moments(1707.00708)
Sept. 20, 2017 cond-mat.stat-mech
Lyapunov exponents characterize the chaotic nature of dynamical systems by quantifying the growth rate of uncertainty associated with the imperfect measurement of initial conditions.... | |
Math Help - Derivative of abs(x) at x=0
1. Derivative of abs(x) at x=0
Can somebody explain why does the derivative of abs(x) at x=0 not exist?
Thanks
2. Re: Derivative of abs(x) at x=0
Hey mcleja.
Hint: Look at the derivative from the right hand side and the left hand sides and show that they aren't equal.
3. R... | |
# Homework Help: Natural log of a sum? (not sum of natural logs)
1. Oct 25, 2012
### yiyopr
1. The problem statement, all variables and given/known data
Find the derivative of y = x^2 + x^(2x)
3. The attempt at a solution
By looking at the equation I think I need to use implicit differentiation + natural logs. Bu... | |
Every Model Learned by Gradient Descent Is Approximately a Kernel Machine
Every Model Learned by Gradient Descent Is Approximately a Kernel Machine
Abstract
Deep learning’s successes are often attributed to its ability to automatically discover new representations of the data, rather than relying on handcrafted feat... | |
Search by Topic
Resources tagged with Factors and multiples similar to Magic Caterpillars:
Filter by: Content type:
Stage:
Challenge level:
There are 92 results
Broad Topics > Numbers and the Number System > Factors and multiples
LCM Sudoku
Stage: 4 Challenge Level:
Here is a Sudoku with a difference! Use inform... | |
# How to use wraptable with llncs format?
I have to use llncs format: example here.
I'm trying to wrap a simple table. Here's my syntax:
this is some sample text, blah blah blah
\begin{wraptable}%{r}{0.35\textwidth}
\begin{tabular}{cc}
\multicolumn{2}{c}{\textbf{table title here}}\\
\toprule
\textbf{A} & b\\
\textbf... | |
# How to get edges and normal map from 3D model?
I want to extract edges and normal maps from the 3d model using freestyle. However, my rendered normal map looks like this
But it should look like this.
there are two problems, there's no blue channel in the rendered normal map. And there is a shaded area which is bla... | |
# Quantisation commutes with reduction at discrete series representations of semisimple groups
@article{Hochs2007QuantisationCW,
title={Quantisation commutes with reduction at discrete series representations of semisimple groups},
author={P. Hochs},
} | |
# Math Help - ∫(sin⁻¹x)²
1. ## ∫(sin⁻¹x)²
$∫(sin⁻¹x)²$
the only problem is i have to do it via method of substitution, i dont have to to use integration by parts
2. Let use integration by parts.
Let $u = [ arcsin(x) ]^2; dv = dx;
du = 2arcsin(x) (\frac{1}{\sqrt(1 - x^2)}) dx; v = x.$
Which gives us:
$x [arcsin(x... | |
# Public Forms
edit
Public forms, like contact or newsletter subscription forms, are a common requirement for websites, but often a hassle for developers. Typemill makes your life much easier, because all you need is a plugin with some form definitions in YAML, and business logic in PHP. All the complicated stuff lik... | |
G01 Chapter Contents
G01 Chapter Introduction
NAG Library Manual
# NAG Library Routine DocumentG01WAF
Note: before using this routine, please read the Users' Note for your implementation to check the interpretation of bold italicised terms and other implementation-dependent details.
## 1 Purpose
G01WAF calculates... | |
# MCQ Questions for CBSE Class 10 Economics Quiz with Answers
Students can practice the MCQ Questions for Class 10 Economics to test their conceptual knowledge and improve in weak areas accordingly. CBSE Class 10th Economics Mock Test over here will improve your overall skills in the subject.
## Multiple Choice Quest... | |
# [texhax] Q: howto put image in heading?
Philip G. Ratcliffe philip.ratcliffe at uninsubria.it
Fri Feb 23 12:18:00 CET 2007
> On 22/02/07, D. R. Evans <doc.evans at gmail.com> wrote:
> > The subject pretty much says it all: I need to include a
> small image
> > in a heading. Can anyone point me to an example of how... | |
PSTricks - Graphics for T<span class="e">e</span>X and L<span class="a">a</span>T<span class="e">e</span>X
Welcome to the PSTricks web site
pst-plot -- Introduction
Main page Index Bug list Documentation Doc errors Examples 2D Gallery 3D Gallery Packages References CTAN Search CTAN: Germany Ireland United Kingdom U... | |
×
proof for heron's formula for equilateral triangle.
we know that area of a triangle is = 1/2 x base x height now lets us take an equilateral triangle ABC with side = m units and altitude AD to base BC.let AD = n units. now in right angled triangle ABD , AB = m , BD = m/2. now by Pythagoras therom AD-square + BD-squ... | |
Principles of Accounting, Volume 2: Managerial Accounting
# 10.2Evaluate and Determine Whether to Accept or Reject a Special Order
Principles of Accounting, Volume 2: Managerial Accounting10.2 Evaluate and Determine Whether to Accept or Reject a Special Order
Both manufacturing and service companies often receive re... | |
Quantum automorphism groups
# On the structure of quantum automorphism groups
Christian Voigt School of Mathematics and Statistics
University of Glasgow
15 University Gardens
Glasgow G12 8QW
United Kingdom
###### Abstract.
We compute the -theory of quantum automorphism groups of finite dimensional -algebras in the s... | |
The polar oxidative addition mechanism is very similar to an aliphatic nucleophilic substitution (SN1 or SN2) reaction.
Figure $$\PageIndex{1}$$: An example of a polar oxidative addition.
In an oxidative addition, the metal can act as a nucleophile in the first step in an SN2 process. In the second step, the liberate... | |
# Q: Blender 2.8 desktop shortcut doesn't work
After downloading 2.8 on Linux Mint, the blender.desktop shortcut doesn't open the application; it simply displays "There was an error launching the application". Running the executable directly works without any flaws.
• Is the path in the .desktop correct? – Robert Güt... | |
# Monotonic Functions (Increasing and Decreasing)
Monotonic simply means either increasing or decreasing. A function is monotonic if one or the other holds. In this article, I discuss at length finding extrema of monotonic functions. An essential tool in this regard is the First Derivative Test. Finding extrema become... | |
# Force, work, and energy problems
1. Jul 20, 2004
### Physicshelpneeded
Force, work, and energy problems!!
k im kind of pissed off because i just started getting the hang of this physics stuff and understanding everything going on with momentum, acceleration and velocity changes, etc...
but now that we moved on t... | |
# Fixed Orifice
Hydraulic orifice with constant cross-sectional area
Orifices
## Description
The Fixed Orifice block models a sharp-edged constant-area orifice, flow rate through which is proportional to the pressure differential across the orifice. The flow rate is determined according to the following equations:
... | |
The Chain Rule 5. Follow 1,217 views (last 30 days) manish sharma on 23 Nov 2011. Unless otherwise stated, all functions are functions of real numbers that return real values; although more generally, the formulae below apply wherever they are well defined — including the case of complex numbers ().. Differentiation is... | |
Welcome to Doom9's Forum, THE in-place to be for everyone interested in DVD conversion. Before you start posting please read the forum rules. By posting to this forum you agree to abide by the rules.
Doom9's Forum CALL command
Register FAQ Calendar Search Today's Posts Mark Forums Read
28th March 2003, 14:43 #41 ... | |
## Sample File with `@include`
Here is an example of a complete outer Texinfo file with `@include` files within it before running `texinfo-multiple-files-update`, which would insert a main or master menu:
```\input texinfo @c -*-texinfo-*-
@setfilename include-example.info
@settitle Include Example
@setchapternewpa... | |
# Tag Info
7
The Pagès-Wilbertz paper is a very good one. To answer more directly to you underlying question that is: "in which quant finance area to use hardware acceleration?"; the points to take into account are: GPU is very good for parallel computations (already underlined in remarks) but bad for memory sharing ... | |
# zbMATH — the first resource for mathematics
## The Journal of Geometric Analysis
Short Title: J. Geom. Anal. Publisher: Springer US, New York, NY; Mathematica Josephina, St. Louis, MO ISSN: 1050-6926; 1559-002X/e Online: http://link.springer.com/journal/volumesAndIssues/12220 Comments: Indexed cover-to-cover
Docu... | |
# Fitting an ARIMA to CPI: How "valid" is this model I've fitted?
I'm trying to fit an ARIMA model to monthly CPI. SO far, I've established stationarity using a DF test of the differenced CPI.
I have then proceeded to find the ACF and PACF of the differenced variable, which are as follows:
These are very peculiar to... | |
# Derivation of $p \supset (\thicksim p \supset q)$ in Gödel's Proof by Nagel/Newman
## The actual question
I am currently reading Gödel's Proof by Nagel and Newman. Chapter V deals with the formalization and consistency of a simple system of formal logic.
On page 50, after giving the rules of the system (see below)... | |
Showing first {{hits.length}} results of {{hits_total}} for {{searchQueryText}}{{hits.length}} results for {{searchQueryText}}
Ничего не найдено
Hands up if you've heard of a latexmkrc file? Now keep your hands up if you know what it does. Now keep your hands up if you've ever written your own. Anyone with their hand... | |
# Abelian Groups
Can you check next statements, and they are proofs?
Statement 1. Lets $A, A_1, A_2$ - are abelian groups and $$A = A_1\oplus A_2.$$ Then $$A/A_1=A_2.$$ Proof: $$A=\{(a_1, a_2)|a_1\in A_1,~~a_2\in A_2\}.$$ $$x = (x_1, x_2)\sim y = (y_1, y_2)\Leftrightarrow x-y\in A_1 \Leftrightarrow x_2=y_2.$$ So, hom... | |
# Yan-nhaŋu glottals and LaTeX
This post will probably be of interest only to the (rather small number of) people who use LaTeX to typeset Yolŋu Matha. Yolŋu Matha uses a symbol for the glottal stop which is basically an apostrophe ‘ without smart quotes turned on (it dates from the days before smart quotes). These da... | |
Add an Element to a List - Maple Programming Help
Add an Element to a List
Description Add an element to a list.
Enter a list.
> $\left[{1}{,}{-2}{,}{6}{,}{3}\right]$
$\left[{1}{,}{-}{2}{,}{6}{,}{3}\right]$ (1)
Specify a new element, and then add the new element to the list.
> $\left[\mathrm{op}\left(\right),... | |
EXPLORABLES
This explorable illustrates the mechanism of herd immunity. When an infectious disease spreads in a population, an individual can be protected by a vaccine that delivers immunity. But there's a greater good. Immunization not only projects the individual directly. The immunized person will also never transm... | |
# Nmr (Page 5/6)
Page 5 / 6
The differences in chemical shift labeled J are known as the coupling constant. If two nuclei are coupled to each other, the coupling constants will be the same. For example, in the case of 1,1-dibromo-2,2-dichloroethane, the two peaks that make up the doublet due to the ${\text{CCl}}_{2... | |
# Positioning ChartLabels in a horizontal stacked BarChart
I can create a BarChart with horizontal bars (using BarOrigin -> Left) and Mathematica will automatically position the ChartLabels on the left hand side:
data1D = RandomReal[{1, 10}, 10];
labels = DictionaryLookup["D*", 10];
BarChart[data1D, BarOrigin -> Lef... | |
mersenneforum.org Where to find Prime Gap lists?
Register FAQ Search Today's Posts Mark Forums Read
2019-12-21, 10:02 #23
robert44444uk
Jun 2003
Oxford, UK
2·7·137 Posts
Quote:
Originally Posted by storm5510 I did the code test earlier. I stripped the code down to what was necessary, compiled it and ran the tes... | |
<img src="https://d5nxst8fruw4z.cloudfront.net/atrk.gif?account=iA1Pi1a8Dy00ym" style="display:none" height="1" width="1" alt="" />
# 7.3: Confidence Intervals
Difficulty Level: At Grade Created by: CK-12
## Learning Objectives
• Calculate the mean of a sample as a point estimate of the population mean.
• Construct... | |
## Monday, March 24, 2008
Deontic logic is the field of logic that is concerned with obligation, permission, and related concepts. Alternatively, a deontic logic is a formal system that attempts to capture the essential logical features of these concepts. Typically, a deontic logic uses OA to mean it is obligatory tha... | |
# Cauchy-Riemann conditions
(Redirected from Cauchy–Riemann conditions)
d'Alembert–Euler conditions
Conditions that must be satisfied by the real part and the imaginary part of a complex function , , for it to be monogenic and analytic as a function of a complex variable.
A function , defined in some domain in the ... | |
## In the Gaussian integers, the conjugate of a prime is prime
Prove that if $a+bi$ is irreducible in $\mathbb{Z}[i]$, then so is $b+ai$.
Note that conjugation preserves multiplication in $\mathbb{Z}[i]$; $\overline{\alpha\beta} = \overline{\alpha} \overline{\beta}$ for all $\alpha$ and $\beta$. As a consequence, if ... | |
# Tetrikabe: Hiding in the Corners
This puzzle is dedicated to Sciborg. Copying the dear gentleperson, some of the 4s are hiding in the corners.
Rules: (Nurikabe section shamelessly stolen from an earlier puzzle by @jafe)
• Unshaded cells are divided into regions, all of which contain exactly one number. The number ... | |
# How to solve division one digit at a time?
I’m developing a computer program and I’m trying to work out some arithmetic algorithms for working with very large numbers. So far I have worked out a plan for addition, subtraction, and multiplication but division seems to be much more complicated. The numbers I’m working... | |
# Capacitance between a wire and a plane
1. Jun 21, 2017
### Kelly Lin
1. The problem statement, all variables and given/known data
2. Relevant equations
I want to know whether my process is correct?
THANKS!!!
3. The attempt at a solution
1. By using Gauss's law:
$$E\cdot 2\pi rz = \frac{\lambda z}{\epsilon_{0}}\... | |
# Product Form of Sum on Completely Multiplicative Function
## Theorem
Let $f$ be a completely multiplicative arithmetic function.
Let the series $\displaystyle \sum_{n \mathop = 1}^\infty \map f n$ be absolutely convergent.
Then:
$\displaystyle \sum_{n \mathop = 1}^\infty \map f n = \prod_p \frac 1 {1 - \map f p}... | |
## Friday, October 19, 2012
### How empty is the black hole interior?
I've exchanged a dozen of e-mails with Joe Polchinski, the most well-known physicist in the original team that proposed the firewalls. We haven't converged and Joe ultimately decided he didn't have time to continue and recommended me to write a pap... | |
## Intermediate Algebra (6th Edition)
$x=-1$ This is not a function.
$x=-1$ This is not a function. This is a vertical line passing through (-1,0). This graph fails the vertical line test. | |
Critical density: question correction
1. Jul 23, 2015
Luminescent
Hope I'm in the right section for this question! In the big bang model, the expansion of the universe is slowed down by gravity. If there is enough matter in the universe, then the expansion can be overcome and the universe will collapse in the future... | |
PIRSA:23020054
# Classical Bulk-Boundary Correspondences via Factorization Algebras
### APA
Rabinovich, E. (2023). Classical Bulk-Boundary Correspondences via Factorization Algebras. Perimeter Institute. https://pirsa.org/23020054
### MLA
Rabinovich, Eugene. Classical Bulk-Boundary Correspondences via Factorizatio... | |
# 94 knots in meters per second
## Conversion
94 knots is equivalent to 48.3577777777778 meters per second.[1]
## Conversion in the opposite direction
The inverse of the conversion factor is that 1 meter per second is equal to 0.0206791967280915 times 94 knots.
It can also be expressed as: 94 knots is equal to $\f... | |
# Quaternions Missing Important Functionality?
I use quaternions and Clifford algebras frequently for solving PDE boundary value problems as well as things like reflections, rotations etc. The underlying field for my quaternions is almost always either the complex numbers or the symbolic ring.
I am making an attempt ... | |
# Given vectors u=<4,1> & v=<1,3>, how would I determine the quantity 3u*-2v?
$< 10 , - 9 >$
By $u \ast$I assume we mean $\overline{u}$, ie the complex conjugate of the vector u.
In this case, 3 baru-2v=3(4;-1)-2(1;3)
=(12;-3)-(2;6)=(10;-9) | |
# Ngô Quốc Anh
## December 10, 2012
### Construction of spacetimes via solutions of the vacuum Einstein constraint equations and the propagation of the gauge condition
Filed under: Riemannian geometry — Tags: — Ngô Quốc Anh @ 23:10
A couple of days ago, we showed that the Einstein equations are essentially hyperbol... | |
## Tuesday, December 8, 2015
### Lovász Local Lemma (non-constructive)
I read the short (and interesting) presentation of the original local Lovász lemma from a lecture by Alistair Sinclair. I report here the proof of this lemma (which was left as an exercise, although a simpler case was proven whose proof contains a... | |
# How to insert a text in \rule
\documentclass{article}
\begin{document}
\hrule
\noindent\rule{\textwidth}{0.4mm}
\noindent\rule{\textwidth}{0.4pt}
\end{document}
I need to insert text inside the rule.
• \noindent\rule{\textwidth}{0.4mm} text between rules\par \noindent\rule[1ex]{\textwidth}{0.4pt} ? – Zarko N... | |
I hypothesize that the poor If the neuron is in the first layer after the input layer, ability of the network to correctly identify the type of glass given the > ∂ My hypothesis is based on the notion that the simplest solutions are often the best solutions (i.e. ) Learning Repository to see if these results remain con... | |
Projective harmonic conjugate
(Redirected from Projective Harmonic Conjugates)
D is the harmonic conjugate of C w.r.t. A and B.
A, D, B, C form a harmonic range.
KLMN is a complete quadrangle generating it.
In projective geometry, the harmonic conjugate point of an ordered triple of points on the real projective line... | |
## Section7.5Special Products and Factors
### SubsectionSquares of Monomials
A few special binomial products occur so frequently that it is useful to recognize their forms. This will enable you to write their factored forms directly, without trial and error. To prepare for these special products, we first consider th... | |
# Help:Contents
Jump to: navigation, search
Making a list is as simple as this, just look at the edit
• First level
• second level
• third level
Help starting a new page
Getting technical now $\sqrt{1-e^2}$ | |
Browse Questions
# The nuclear reaction $\;n + _{5}^{10}B \to _{3}^{7}{Li}+_{2}^{4}He\;$ is observed to occur when very slow - moving neutrons $\;(M_{n}=1.0087 u)\;$ strike a boron atom at rest . For a particular reaction in which $\;K_{n} \approx 0\;,$ the helium $\;(M_{He}=4.0026 u)\;$ is observed to have a speed of... | |
# What does it mean “not to have a definite trajectory”?
In a comment to my question someone stated the following:
"photons do not travel at some definite number of oscillations per second. In fact, they do not "travel" at all, no more than electrons or other quanta do, as by the Uncertainty Principle they don't have... | |
This book is in Open Review. We want your feedback to make the book better for you and other students. You may annotate some text by selecting it with the cursor and then click the on the pop-up menu. You can also see the annotations of others: click the in the upper right hand corner of the page
## 15.4 HAC Standard ... | |
# If $f$ is entire such that $|f(z)|\leq C|z|^{5/2}$, $f$ is polynomial of degree two.
$$f$$ is entire and there exists $$C>0$$ and $$M>0$$ such that $$|f(z)|\leq C|z|^{5/2}$$ for all $$z\in\mathbb{C}$$ where $$|z|>M$$. Prove that $$f$$ is polynomial of degree two.
I don't have a clear idea but given an entire functi... | |
# zbMATH — the first resource for mathematics
## Contributions to Discrete Mathematics
Short Title: Contrib. Discrete Math. Publisher: University of Calgary, Calgary, AB ISSN: 1715-0868/e Online: http://cdm.ucalgary.ca/cdm/index.php/cdm/issue/archivehttps://cdm.ucalgary.ca/issue/archive Comments: Indexed cover-to-co... | |
# C compiler options passed by Mathematica
What options can be used for compilation using Compile or CreateExecutable in Mathematica and where can one find details on the possible values for the settings?
I have a recent build of MinGW installed on a Win7 workstation which works when called from the command line, but... | |
# When Greedy Algorithms are Perfect: the Matroid
Greedy algorithms are by far one of the easiest and most well-understood algorithmic techniques. There is a wealth of variations, but at its core the greedy algorithm optimizes something using the natural rule, “pick what looks best” at any step. So a greedy routing al... | |
# More on Time-Varying Volatility in NGH4
It looks like incorporating the last 12 months of daily NGH4 prices helps bring the recent volatility into focus. Estimating the Markov regime-switching AR model over the last 12 months (on daily log returns) affords:
$r_{ng,t} = \begin{cases} 0.0006 -0.0429r_{ng,t-1}+ e_{S1... | |
Question
# Let $$n$$ be the number of ways in which $$5$$ boys and $$5$$ girls can stand in a queue in such a way that all the girls stand consecutively in the queue. Let $$m$$ be the number of ways in which $$5$$ boys and $$5$$ girls can stand in a queue in such a way that exactly four girls stand consecutively in th... | |
Page 1 / 1
This module is from Elementary Algebra</link>by Denny Burzynski and Wade Ellis, Jr. Methods of solving quadratic equations as well as the logic underlying each method are discussed. Factoring, extraction of roots, completing the square, and the quadratic formula are carefully developed. The zero-factor prope... | |
# Semi-Standard Young Diagrams and Families
In connection with string theory I encountered the following problem:
Given the set M_N of all semi-standard Young tableaux of size N (i.e. all fillings of Ferrers diagrams with natural numbers with weakly increasing rows and strictly increasing columns, the content of whic... | |
Creating macro cross references
Is there any tool that allows me to analyze/see/display macro dependencies?
To be clear: After
\def\a{\b\c}
\def\b{\x\c}
I'd like to get that \a uses \b and \c and that \b uses \x and \c, best nicely displayed. And to make me entirely happy: the tool should also tell me that \a was ... | |
# Math Help - Another solid of revolution, thanks
1. ## Another solid of revolution, thanks
I have now another problem, alike to my previous posted, but I'm confused since I get a negative results, wich is impossible, that means I have a mistake somewhere:
I have to find the solid of revolution by rotating about x a... | |
# LaTeX w00t!
Standard
Image via Wikipedia
I owe Professor Paul A. Rubin another apology – turns out I can display LaTeX natively in a wordpress.com blog after all – as the following wave equation shows:
$i\hbar\frac{\partial}{\partial t}\left|\Psi(t)\right>=H\left|\Psi(t)\right>$
## 2 thoughts on “LaTeX w00t!”
1... | |
## Applications of Integration: Force Due to Fluid Pressure
I'm working on a particular problem that involves the force on a face of a triangular prism. What I am wondering is if someone could explain how to find dA for the prism? If the prism is an equilateral triangle, then $dA=\sqrt3dy$ doesn't it? My book is showi... | |
# The initial abundance and distribution of 92Nb in the Solar System
Tsuyoshi Iizuka, Yi-Jen Lai, Waheed Akram, Yuri Amelin, Maria Schönbächler
Earth and Planetary Science Letters
Available online 11 February 2016
doi:10.1016/j.epsl.2016.02.005
Updated: February 11, 2016
“Niobium-92 is an extinct proton-rich nuclid... | |
# ${\boldsymbol m}_{{{\boldsymbol u}}}/{\boldsymbol m}_{{{\boldsymbol d}}}$ MASS RATIO INSPIRE search
VALUE DOCUMENT ID TECN COMMENT
$\bf{ 0.48 {}^{+0.07}_{-0.08}}$ OUR EVALUATION
$0.485$ $\pm0.011$ $\pm0.016$ 1
2016
LATT
$0.4482$ ${}^{+0.0173}_{-0.0206}$ 2
2015
LATT
$0.470$ $\pm0.056$ 3
2014
LATT
$0.698$ $\pm0.05... | |
# Last three numbers of multiple of four primes
If we have four two-digit prime numbers $$p_1$$, $$p_2$$, $$p_3$$ and $$p_ 4$$ such that they all end with a different number. For example 11, 13, 17 and 19. What can be the last three digits of $$p_1p_2p_3p_4$$? It is pretty obvious that the last digit has to be $$9$$ s... | |
# Is it possible that in a metric space $(X, d)$ with more than one point, the only open sets are $X$ and $\emptyset$?
Is it possible that in a metric space $(X, d)$ with more than one point, the only open sets are $X$ and $\emptyset$?
I don't think this is possible in $\mathbb{R}$, but are there any possible metric ... | |
Library to convert co-ordinates between the (UK) Ordnance Survey National Grid and latitude/longitude
## Description
This package allowd the user to manipulate co-ordinates on the Earth’s surface in the two major co-ordinate systems: latitude / longitude measured in degrees, and cartographic systems, measured in east... | |
Question
# An electron is moving in a circular path of radius 5.1×10−11 m at a frequency of 6.8×1015 revolutions/sec. The equivalent current is approximately equal to _______.5.1×10−3A1.1×10−3A6.8×10−3A2.2×10−3A
Solution
## The correct option is B 1.1×10−3AGiven: Frequency, v=6.8×1015 rev/s, Time, T=1frequency=16.8×... | |
# Add JS lib function call and store blocks
Efficiency does go pretty downhill when every time you need to run custom JS functions you need to generate new ones. You could store them in variables (lists) or the global space but I believe this is a better option. Allow people to have some sort of "auto execute" when im... | |
matplotlib.pyplot.matshow¶
matplotlib.pyplot.matshow(A, fignum=None, **kwargs)[source]
Display an array as a matrix in a new figure window.
The origin is set at the upper left hand corner and rows (first dimension of the array) are displayed horizontally. The aspect ratio of the figure window is that of the array, u... | |
# Permutation Encoding
Write a program which can encode text to avoid reusing characters, and convert back.
Both normal and encoded forms are restricted to a particular character set: the space character with code point 32, the tilde character ~ with code point 126, and all characters between. This is 95 total charac... | |
# While Rosa is taking classes at the local community college to earn her degree in landscaping, she works part-time as a florist's assistant. This part-time work is an example of _____. a. a career b. telecommuting c. a job d. outsourcing
###### Question:
While Rosa is taking classes at the local community college t... | |
## Archive for April, 2007
### The problems with this site
April 20, 2007
1. In order to get this posting facility to operate in a way I like, I need to enter the following into adblock: *wordpress.com/wp-includes/js/tinymce/tiny_mce*
2. The $\LaTeX$ is not directly copy and pastable into standard $\LaTeX$. This is... | |
# Hack The Box - Ethereal
## Quick Summary
Hey guys today Ethereal retired and here is my write-up about it. And as the difficulty says , It’s insane ! The most annoying part about this box is that it was very hard to enumerate because we only get a blind RCE and the firewall rules made it even harder because it only... | |
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Does the given $$2\times2$$ matrix have an inverse? $( \begin{bmatrix} 3 &6 \\ 2 &4 \end{bmatrix}$)
Christopher B.
Recall that a matrix has... | |
Article Text
Paroxysmal nocturnal haemoglobinuria: Nature's gene therapy?
Free
1. R J Johnson1,
2. P Hillmen2
1. 1Department of Haematology, Birmingham Heartlands Hospital, Bordesley Green East, Birmingham B9 5SS, UK
2. 2Haematological Malignancy Diagnostic Service, The General Infirmary at Leeds, Great George Street,... | |
# From bits to images: Inversion of local binary descriptors
### Abstract
Local Binary Descriptors (LBDs, such as BRIEF and FREAK) have become very popular for image matching tasks, especially when going mobile. While they are extensively studied in this context, their ability to carry enough information in order to ... | |
# Margins around Tikz frame
I'm dealing with the graphic part of a document which I need to fill with text. In particular I need to have a header where to put some general information and the document text simply boxed.
Depending on the text verbosity, the document can be one page or x pages. In this last case, start... | |
## Functions Modeling Change: A Preparation for Calculus, 5th Edition
$\frac{3}{2}$
We know that $\log_ab=c\Leftrightarrow a^c=b$ and $\ln b=c\Leftrightarrow e^c=b$. Also, $\log_a a^x=x$ and $\log_a b^x=x\log_a b$ Hence here: $\log\sqrt{1000}=\log{(10^3)^{\frac{1}{2}}}=\log{10^{\frac{3}{2}}}=\frac{3}{2}\log10=\frac{3}... | |
I will be working hard over the next couple of weeks to … @ ��2�� �x�We����Q�aR�5ŧN���*H��6g\̼1�����Z�Xg��V�E� Must Practice 11 Plus (11+)Area and Perimeter Questions. 1. Search for: Contact us. endstream The Corbettmaths Practice Questions on Perimeter. ... Area and Perimeter [GCSE Questions] Area and Perimeter [Solut... | |
# How much salt to dissolve in water for a noticeable change in volume?
I am reading through this High School science lab about how dissolving salt changes the volume of water:
• Place 300 to 400 g of salt in the flask (1L)
• Pour in enough water to cover the dry salt, and swirl the water around in the flask to wet ... | |
Non-diagonal reflection for the non-critical XXZ model
Research output: Contribution to journalArticlepeer-review
1 Citation (Scopus)
Abstract
The most general physical boundary $S$-matrix for the open XXZ spin chain in the non-critical regime ($\cosh (\eta)>1$) is derived starting from the bare Bethe ansazt equati... | |
2- x 3 = 6- total. AHM. What is the oxidation number of chlorine in $KClO_4$? Two oxidation state for chlorine are found in the compound (a) caocl2 (b)kcl - 1969461 ravi230 ravi230 12.12.2017 Chemistry Secondary School Two oxidation state for chlorine are found in the compound (a) caocl2 (b)kcl 2 See answers ⸪, Oxidati... | |
# Viraf J. Dalal solutions for Class 9 Simplified ICSE Chemistry chapter 6 - Study Of The First Element — Hydrogen [Latest edition]
## Chapter 6: Study Of The First Element — Hydrogen
Equation Worksheet
### Viraf J. Dalal solutions for Class 9 Simplified ICSE Chemistry Chapter 6 Study Of The First Element — Hydrogen... | |
# Acceleration. linear motion. i'm stuck
#### Run Haridan
acceleration. linear motion. i'm stuck!!!
1. Homework Statement
a train moves at a velocity of 60 m s-1 and stops after a distance of 600m. what is its deceleration?
2. Homework Equations
v=s/t
3. The Attempt at a Solution
this is my working:
u= 0 m s-1
v= ... |
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