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LSU | Mathematics
# Calendar
Time interval: Events:
Today, Tuesday, April 25, 2017
Posted January 23, 2017
3:00 pm - 3:50 pm Lockett 277
Jie Zhou, Perimeter institute
Periods and Gromov-Witten invariants
Abstract: The mirror symmetry conjectures asserts that the generating series of Gromov-Witten invariants (... | {} |
# Sum of three consecutive cubes
When I noticed that $3^3+4^3+5^3=6^3$, I wondered if there are any other times where $(a-1)^3+a^3+(a+1)^3$ equals another cube. That expression simplifies to $3a(a^2+2)$ and I'm still trying to find another value of $a$ that satisfies the condition (the only one found is $a=4$)
Is thi... | {} |
# Classification of static vacuum black holes
In a series of two papers ( arXiv:1806.00818 and arXiv:1806.00819 ) Martin Reiris Ithurralde classifies all metrically complete solutions of the static vacuum Einstein equations with compact (but not necessarily connected) horizon.
##### Main Theorem
Any static vacuum bl... | {} |
## Seminars and Colloquia by Series
Wednesday, November 2, 2011 - 14:05 , Location: Skiles 006 , Alexei Poltoratski , Texas A&M , Organizer: Michael Lacey
The problem of weighted polynomial approximation of continuousfunctionson the real line was posted by S. Bernstein in 1924. It asks for adescription of theset of we... | {} |
# Reference to iterated logarithm law and Smirnov law of empirical CDF
I am reading V. Vapnik's "Statistical Learning Theory". The author layouts following two statistical laws related to empirical CDF. I am looking for reference about proofs on these two laws.
Let $F_l(x)$ be the empirical CDF from $l$ i.i.d samples... | {} |
# Work and Employment Table 3 Modifiable personal / activity and participation factors influencing employment after SCI
Personal
Impact on employment
Study (N)
Study reference
Education / training post-injury
Positive influence on employment:
• higher level of education (high school or above)
• Vocational retrai... | {} |
# Homework Help: Microcanonical ensemble for system of harmonic oscillators
1. Apr 1, 2010
### everyday847
1. The problem statement, all variables and given/known data
A system consists of 3N (N >> 1) independent, identical, but distinguishable one-dimensional oscillators. This is relevant in that the atoms in a so... | {} |
# How to Calculate Power Efficiency of an Amplifier in LTSpice
#### specs365
Joined Mar 14, 2019
29
HI, so I built the circuit povided below. I am quite new at amplifiers still. I am not sure how to calculate the power efficiency of the circuit, I can get the output power, but what sources etc do I take into account ... | {} |
# pgfplots: Filling a region between two curves in 3D
I'm trying to create a figure to help explain different types of line integrals. This involves a curve in 3 dimensions (the thick line), the curve in the x-y plane that it follows (the dashed line), and the projections in the xz and yz planes. I would like to have ... | {} |
# Vector fields in cylindrical and spherical coordinates
Contents
## Vector fields in cylindrical coordinates
Vectors are defined in cylindrical coordinates by (ρ,φ,z), where
• ρ is the length of the vector projected onto the X-Y-plane,
• φ is the angle of the projected vector with the positive X-axis (0 <= φ < 2π... | {} |
## Friday, 21 February 2014
### Lecture 16
The human life plots of force of mortality that I showed in today's lecture can be viewed on the Understanding Uncertainly page: How long are you going to live?
David Spiegelhalter (Winton Professor for the Public Understanding of Risk) has now added a comment for us in the... | {} |
Understanding the behaviour of order statistics of samples of uniform distribution
Let $P$ denote any continuous distribution with density $p$ on $[0,1]$ and $Q$ the uniform distribution on $[0,1]$ whose density is $1$.
Let $X_1,\ldots,X_n$ be $n$ i.i.d samples drawn from the distribution $Q$ and $X_{(1)},\ldots,X_{(... | {} |
# Create table that lists worksheet visibility
Following my previous question Create a table that lists macros in a workbook or worksheet here's my Sub to determine worksheet visibility in a workbook. This arises from updating code that used extremely hard to understand logic and several disparate NamedRanges to subse... | {} |
PDF weekly test TRY NOW
Let us now see the physical and chemical properties of ethanol and its uses:
a) Physical properties of ethanol ($$C_2H_5OH$$):
• It is a colourless liquid, has a pleasant smell and a burning taste.
• It is a volatile liquid with the boiling point at $$780°C$$ ($$351K$$), which is far above that... | {} |
All-optical nonequilibrium pathway to stabilising magnetic Weyl semimetals in pyrochlore iridates
Abstract
Nonequilibrium many-body dynamics is becoming a central topic in condensed matter physics. Floquet topological states were suggested to emerge in photodressed bands under periodic laser driving. Here we propose ... | {} |
## A magnetic double integral.(English)Zbl 1470.11068
Summary: In a recent study of how the output voltage of a Hall plate is affected by the shape of the plate and the size of its contacts, U. Ausserlechner [“A method to compute the Hall-geometry factor at weak magnetic field in closed analytical form”, Electr. Eng. ... | {} |
# Thread: Figuring out limits of integration when doing joint densities
1. ## Figuring out limits of integration when doing joint densities
The problem in question:
f(x,y)=24xy for 0<= x<=1, 0<=y<=1, 0<=x+y<=1, otherwise x=0
The goal is to show that f(x,y) is a joint probability fxn and I believe we do that by doub... | {} |
# Sufficient conditions for invertibility of a block tridiagonal matrix
Let $$M_n \in \mathbb{R}^{N \times N}$$ be a block-tridiagonal matrix:
$$M_n = \begin{bmatrix} B_1 & C_1 & 0 & 0 & \cdots & 0 \\ A_1 & B_2 & C_2 & 0 & \cdots & 0 \\ 0 & A_2 & B_3 & C_3 & \cdots & 0 \\ 0 & 0 & A_3 & B_4 & \ddots & \vdots \\ \vdots... | {} |
We say that A is invertible if there is an n × n matrix … A square matrix An£n is said to be invertible if there exists a unique matrix Cn£n of the same size such that AC =CA =In: The matrix C is called the inverse of A; and is denoted by C =A¡1 Suppose now An£n is invertible and C =A¡1 is its inverse matrix. We will d... | {} |
Question
JAJ Incorporated reported a balance in retained earnings of \$26,571 million at the beginning of the year and \$28,132 million at the end of the year. Its dividends payable account increased by \$233 million during the year. It reported net income for the year of \$5,030 million. How much cash did JAJ disburs... | {} |
Min-max To The Max!
$\large \sum_{1 \leq x,y,z \leq 100} \max(x,y,z) + \text{min}(x,y,z) = \, ?$ The sum is over ordered triples of integers $$(x,y,z)$$.
× | {} |
# XIIth Quark Confinement and the Hadron Spectrum
August 28, 2016 to September 4, 2016
Europe/Athens timezone
## Inverse magnetic catalysis in holographic models of QCD
Aug 29, 2016, 7:00 PM
30m
Erato (Makedonia Palace)
### Erato
#### Makedonia Palace
Section G: Strongly Coupled Theories
### Speaker
Kiminad Mam... | {} |
# Regimes of expansion of a collisional plasma into a vacuum
Abstract : The effect of elastic Coulomb collisions on the one-dimensional expansion of a plasma slab is studied in the classical limit, using an electrostatic particle-in-cell code. Two regimes of interest are identified. For a collision rate of few hundred... | {} |
## Sets of reals amenable to each L[x]
If $A$ is a set of reals such that $A \cap L[x] \in L[x]$ for each real $x$, is there a real $z$ such that $A \cap L[x] \in OD_z^{L[x]}$ for a cone of $x$?
This can be proved under the Axiom of Determinacy using a game of roughly the same complexity as $A$.
Just assuming boldfa... | {} |
# 9 Signal Detection Theory
Signal Detection Theory (hereafter abbreviated as SDT) is probably the most important and influential framework for modelling perceptual decisions in forced-choice tasks, and has wide applicability also beyond purely perceptual decision tasks. Here I review and derive some fundamental conce... | {} |
Calculation of strain effects on vacancy-mediated diffusion of impurities in fcc structures: General approach and application to Ni$_{1−x}$Si$_x$ - Archive ouverte HAL Access content directly
Journal Articles Physical Review B Year : 2014
## Calculation of strain effects on vacancy-mediated diffusion of impurities in ... | {} |
Solving circuit design problem with two approaches
A voltage of 200V is applied to a tapped resistor of 500 ohm. Find the resistance between two tapping points connected to a circuit needing 0.1A at 25V. I have solved this problem with two approach. But the correct answer is coming only by one approach.
Total resista... | {} |
# FOURIER TRANSFORM MICROWAVE SPECTRUM OF MgCCH (X$^{2}\Sigma^+$)
Please use this identifier to cite or link to this item: http://hdl.handle.net/1811/49291
Files Size Format View
abstract.gif 34.67Kb GIF image
Title: FOURIER TRANSFORM MICROWAVE SPECTRUM OF MgCCH (X$^{2}\Sigma^+$) Creators: Min, J.; Halfen, D. T.; S... | {} |
1. ## non exact equation
(2x-4y+6)dx+(x+y-3)dy=0
i cant make integration cofficient
because
(P_y-Q_x)/P is not a function of x and so is the other one
??
how to solve it
2. If my memory serves me right, first you would use an affine transformation to reduce the equation down to a homogeneous equation. Then you wou... | {} |
# Examples of context-free grammars with worst-case complexity
What are some examples of context-free grammars that necessarily trigger cubic worst-case complexity for GLR parsers?
I have seen a mention of the example S $\rightarrow$ SSS | SS | "a" but I would be interested to find more information on this and also f... | {} |
# Change of enthalpy
1. Aug 17, 2005
### suli
as Q(heat transfer)=P*dV + dE
Q is a non state function,
while the change of enthalpy,
dH=P*dv+dE,
i suppose it is equal to the Q above but why dH is a state function while Q is not since they are the same?
2. Aug 17, 2005
### HallsofIvy
Staff Emeritus
The enthalpy, H... | {} |
Binary Egyptian Fractions, paper by Croot et al. Save my name, email, and website in this browser for the next time I comment. An Egyptian fraction is a representation of an irreducible fraction as a sum of unit fractions, as e.g. For example, consider 6/14, we first find ceiling of 14/6, i.e., 3. If q>1, we first sepa... | {} |
# Quick Answer: What Is Vulgar Fraction Explain With Example?
## What is like fraction with example?
The group of two or more fractions that have exactly the same denominator are called like fractions.
For example, 1/7, 2/7, 5/7, 6/7 are all like fractions, whose denominators equal to 7..
## Why is it called a vulg... | {} |
# Relationship between (complete) positive measures and (regular) outer measures
The Caratheodory method provides the following relationship between measures and outer measures. For the definitions, I am following [Fremlin, "Measure Theory"].
Let $$X$$ be a set. Denote by $$\mathbf{M}_X$$ the collection of positive m... | {} |
# Special Topics in Complexity Theory, Lecture 10
Added Dec 27 2017: An updated version of these notes exists on the class page.
Special Topics in Complexity Theory, Fall 2017. Instructor: Emanuele Viola
### 1 Lecture 10, Guest lecture by Justin Thaler, Scribe: Biswaroop Maiti
This is a guest lecture by Justin Thal... | {} |
# A light clock with a retroreflector instead of a mirror
I'm struggling to understand a hopefully silly implication about light clocks on trains. The train is in motion. SR and all that. Bob is on the side of the tracks watching. We're going to get super specific and say that the emitter for the light clock is an LED... | {} |
Difference b/w freqz and fft
Since both fft ,freqz are used for finding the frequency response of digital filters. the frequency response using freqz function is given below
and frequency response using fft function is
it seems to be that in case of fft it is mirror image of freqz response. also i want to find value... | {} |
# Multiplication of Block Matrix
I have an original identity, that has been transformed into a different form as follows:
$z_t=a+\Gamma F_t +v_t$
$F_t=\mu +AF_{t-1}+u_t$ $\;\; u_t \sim N(0,Q)$
$v_t=B v_{t-1}+ \xi_t$ $\;\;\;\;\;\;\;\;\;\; \xi_t \sim N(0,R)$
where
$z_t=(n*1)$ vector
$a=(n*1)$vector
$\Gamma=(n*p)$ v... | {} |
## Model classes and types¶
This table lists all supported model classes and types in this version of CellOrganizer
2D/3D Model Class Model Type Depends on Produces
2D vesicle gmm nuclear_membrane & cell_membrane vesicle
2D nuclear_membrane medial_axis N/A nuclear_membrane
2D framework pca N/A cell_membrane, nuclear_... | {} |
# zbMATH — the first resource for mathematics
Self-similar solutions for a transport equation with non-local flux. (English) Zbl 1186.35154
Summary: The authors construct self-similar solutions for an $$N$$-dimensional transport equation, where the velocity is given by the Riesz transform. These solutions imply nonuni... | {} |
MAT244-2018S > Term Test 2
TT2--P4M
(1/1)
Victor Ivrii:
Find the general real solution to
$$\mathbf{x}'=\begin{pmatrix} 1 & -2\\ 2 &1\end{pmatrix}\mathbf{x}$$
and sketch trajectories.
Jas Kainth:
The picture was too large to upload so I have a link where you can view it from:
https://gyazo.com/7c7ba97b6a8bf65ea4c64... | {} |
Courses
# Special Techniques (Part - 3) Electrical Engineering (EE) Notes | EduRev
## Electromagnetic Theory
Created by: Machine Experts
## Electrical Engineering (EE) : Special Techniques (Part - 3) Electrical Engineering (EE) Notes | EduRev
The document Special Techniques (Part - 3) Electrical Engineering (EE) N... | {} |
#### jwl868
##### Active Member
The PA system at our church picks up the broadcast from a nearby high-power AM radio station. Sporadically, one can hear a barely audible broadcast of the station from the PA speakers while the PA system was on. The problem comes and goes. The problem appears to be with one particular m... | {} |
# Generating GUIDs in WebObjects
I've been working on some code to generate GUIDs as part of the suite of services for use in the next version of the software that runs CAREO.
When in doubt, hit Google to see who's already solved it. Turns out David Newmann did a GUID generator as part of his security stuff, and it's... | {} |
# Noncommutative Ergodic Theorems
I am looking for books presenting the noncommutative version of ergodic theorems.
The only book I have found is Krengel, Ergodic Theorems, 1985.
Are there other references other than Krengel's book ?
• What do you mean by "noncommutative ergodic theorems"? Do you want theorems of n... | {} |
# amazing problem
• September 15th 2012, 10:14 AM
geniusgarvil
amazing problem
a,b,c are 3 real nos. Prove that the 3 numbers a^2+b+c, b^2+a+c, c^2+a+b cannot be perfect squares altogether.
• September 15th 2012, 12:52 PM
CoffeeBird
Re: amazing problem
can you explain what you mean a little more? like, what do you mea... | {} |
# Symplectic manifold, flow $\phi_t$ generated by unique vector fiel $X_f$ preserves symplectic form $\omega$?
Let $M$ be a symplectic manifold with symplectic form $\omega$, let $f$ be a smooth function on $M$, and let $X_f$ be the unique vector field on $M$ so that $df(Y) = \omega(X_f, Y)$ for all vector fields $Y$.... | {} |
# For loop in r - can't get first value greater than 1
I am trying to write a for-loop in r that loops over data I have starting in 1970. I want to loop over the years themselves so that I will have an iteration for each year in the data and store the data (vote shares, incumbency status, etc) in a vector. Obviously, ... | {} |
## Chemistry 12th Edition
(a). We can define the molar heat of vaporization as the amount of heat required to vaporize one mole of a liquid. (b). We can define the heat of fusion as the amount of heat required to melt one mole of a solid to liquid. (c). We can define the molar heat of sublimation as the amount of heat... | {} |
# How to Create 3D Dam with Drawing Angle between 3 nodes / points?
I want to create this:
I have created this code / MWE:
\documentclass[12pt]{article}
\usepackage{tikz}
\usetikzlibrary{decorations.pathreplacing}
\begin{document}
\begin{tikzpicture}[scale=1,>=latex,x=1cm,y=0.8cm]
\coordinate (v0) at (4,0);
\coordi... | {} |
# [XeTeX] Patch for maths in fontspec
Herbert Schulz herbs at wideopenwest.com
Mon Jun 20 03:21:18 CEST 2005
On Jun 19, 2005, at 8:05 PM, Will Robertson wrote:
> Hello,
>
> Before I get around to uploading a new version of fontspec, if you
> would like to apply this patch manually to get maths working while
> also d... | {} |
Patrick Janot CERN, PH Department, Geneva, Switzerland
Abstract
An optimal-observable analysis of the lepton angular and energy distributions from top-quark pair production with semi-leptonic decays in $${\rm e^{+}e^{-}}$$ collisions is used to predict the potential sensitivity of the FCC-ee to the couplings of the t... | {} |
GMAT Question of the Day - Daily to your Mailbox; hard ones only
It is currently 15 Jul 2018, 12:08
### 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... | {} |
# Unique decomposition of locally free sheaf
Below let's work over coherent sheaves on a smooth projective algebraic curve.
We call a subsheaf $\mathcal{F'}$ of $\mathcal{F}$ saturated if it $\mathcal{F/F'}$ is locally free.
We call a locally free sheaf indecomposible if it cannot be written as a direct sum of two s... | {} |
# I call cheats!
### 2 thoughts on “I call cheats!”
1. That Papermate ad is really strange. If you look closely at what has been written on the thumbnail, it is raw LaTeX code (lots of backslashes and even a \cdot command)! Maybe it is intentional, but maybe the art director blithely copied the .tex file rather than ... | {} |
# Coding with Code
1128 words. Time to Read: About 11 minutes.
I think I am not alone among developers when I say unabashedly that I love gadgets. A lot. Now, I try not to jump from tool to plugin to framework willy nilly, dropping everything else, but I’m always on the lookout for things that make life easier, faste... | {} |
Answers to Odd-Numbered Exercises23 Chapter 4. Know about matrix definition, properties, types, formulas, etc. Solution: We can multiply row 2 by 1 4 in order to get a leading one in the second row. p. cm.—(Graduate texts in mathematics ; 216) Includes bibliographical references and index. 6. The proof is based on a sp... | {} |
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Database
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# Search results
26 records were found.
## The Refractive Index of Silicon at Gamma Ray Energies
Comment: 4 pages, 3 figures
## Nuclear Photonics
Comment: 8 pages, 3 figures, 2 tables
## New information on medium-spin structure of 133Sb
Excited states in the nucleus 133S... | {} |
# Measurement of electroweak WZ boson production and search for new physics in WZ + two jets events in pp collisions at $\sqrt{s} =$ 13TeV
Research output: Contribution to journalArticlepeer-review
Original language English 281-307 Phys. Lett. Published - 2019 | {} |
## Headphones not working on HTC Hero
August 10th, 2009
My latest toy is the HTC Hero which my phone provider, T-mobile, insists on calling the G2 touch. I’ve got quite a lot to say on this particular device and its operating system – Android – but I’ll leave that for a longer blog post in the future. For now I wan... | {} |
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Expert-verified
Found in: Page 471
### Fundamentals Of Physics
Book edition 10th Edition
Author(s) David Halliday
Pages 1328 pages
ISBN 9781118230718
# If you set up the seventh harmonic on a string, (a) how many nodes are present, and (b) is there a node, antino... | {} |
1. ## Limits Problem
Hi everyone this is what the problem asks:
Evaluate the Limit and Justify each step by indicating the appropriate Limit Law(s).
Lim
X→0 (cos4x)/( 5+2x3 )
2. Originally Posted by Asuhuman18
Hi everyone this is what the problem asks:
Evaluate the Limit and Justify each step by indicating the app... | {} |
English
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# Item
ITEM ACTIONSEXPORT
Released
Report
#### A faster algorithm for computing a longest common increasing subsequence
##### MPS-Authors
/persons/resource/persons44744
Katriel, Irit
Algorithms and Complexity, MPI for Informatics, Max Planck Society;
/p... | {} |
# [Update] Minimum and Maximum Values | minimum – POLLICELEE
minimum: คุณกำลังดูกระทู้
Mobile Notice
You appear to be on a device with a “narrow” screen width (i.e. you are probably on a mobile phone). Due to the nature of the mathematics on this site it is best views in landscape mode. If your device is not in land... | {} |
## transit time, $$t_{\text{ts}}$$
in flame emission and absorption spectrometry
https://doi.org/10.1351/goldbook.T06474
The time needed for the component to pass through the observation space (in s). It depends on the geometry of the observation space, the flame temperature and the solute nebulized.
Source:
PAC, 1986... | {} |
A ladder is placed against tower. If the ladder makes an angle of 30^{\circ} with the ground and reaches upto a height
### Question Asked by a Student from EXXAMM.com Team
Q 3040734613. A ladder is placed against tower. If the ladder makes an angle of 30^{\circ} with the ground and reaches upto a height of 15 m o... | {} |
# Fredholm and invertibility theory for a special class of Toeplitz + Hankel operators
@inproceedings{Basor2011FredholmAI,
title={Fredholm and invertibility theory for a special class of Toeplitz + Hankel operators},
author={Estelle L. Basor and Torsten Ehrhardt},
year={2011}
}
• Published 4 October 2011
• Mathematics... | {} |
for Journals by Title or ISSN for Articles by Keywords help
Subjects -> MATHEMATICS (Total: 864 journals) - APPLIED MATHEMATICS (69 journals) - GEOMETRY AND TOPOLOGY (19 journals) - MATHEMATICS (642 journals) - MATHEMATICS (GENERAL) (40 journals) - NUMERICAL ANALYSIS (19 journals) - PROBABILITIES AN... | {} |
0
2013
Impact Factor
# A. Fedotov
## Publications:
Fedotov A. V., Furta S. D. On Stability of Motion of a Chain of $n$ Driven Bodies 2002, vol. 7, no. 3, pp. 249-268 Abstract The article deals with the problem of stability of rectilinear motions of multi-link chains of rigid bodies moving in a resisting medium. Th... | {} |
# log
Natural logarithm
## Syntax
``Y = log(X)``
## Description
example
````Y = log(X)` returns the natural logarithm ln(x) of each element in array `X`.The `log` function’s domain includes negative and complex numbers, which can lead to unexpected results if used unintentionally. For negative and complex numbers... | {} |
## Specializing values in a functional language
Assume a Haskell-like language. Say you have a value of an unknown (abstract) type, but you know it is either an integer, a string, or a tree node.
Are there (/have there been) extensions to Haskell that you can safely inspect and specialize the type of that given value... | {} |
# Computation of volume fractions from a levelset function
#include "grid/cartesian.h"
#include "fractions.h"
int main()
{
origin (-0.5, -0.5);
init_grid (32);
The interface is a circle centered on the origin and of radius 0.25. We chose this radius because it leads to degenerate cases where the interface intersects... | {} |
# Analysis of inorganic polyphosphates by capillary gel electrophoresis.
05:13 EDT 20th May 2013 | BioPortfolio
### Summary of "Analysis of inorganic polyphosphates by capillary gel electrophoresis."
This paper describes the development of a method that uses capillary gel electrophoresis (CGE) to analyze mixtures of... | {} |
Learning the Sparse and Low Rank PARAFAC Decomposition via the Elastic Net
In this article, we derive a Bayesian model to learning the sparse and low rank PARAFAC decomposition for the observed tensor with missing values via the elastic net, with property to find the true rank and sparse factor matrix which is robust ... | {} |
# Computing with Data
elgeish
33.1K views
## Surface Plots
The function plot_surface is similar to contourf except that it displays a 3D surface plot; the code below shows how to use it:
import matplotlib.pyplot as plt
import numpy as np
from mpl_toolkits.mplot3d import Axes3D
def f(x, y):
return 3 * x ** 2 + 5 * y... | {} |
# Sine not a Rational Function Spivak
This is Chapter 15 Question 31 in Spivak:
a) Show sin is not a rational function.
By definition of a rational function, a rational function cannot be $0$ at infinite points unless it is $0$ everywhere. Obviously, sin have infinite points that are 0 and infinite points that are n... | {} |
# Wikipedia:Village pump/March 2004 archive 1
I don't think this is related to the bolded server problem at the top of this page, but it might be. I am having a lot of trouble updating an image I made. There are three versions. The second wouldnt show up until I uploaded the third, and now the third won't show up, eve... | {} |
# Hooking into $$and$$
Joseph Wright mentions in an comment to this tex.SE answer that it is possible to “hook into” the $$ and $$ commands to change their behaviour. Say that I'd like to force a cramped style on all inline equations by e.g. wrapping them in \cramped (from the mathtools package) by hooking into the $$... | {} |
# Ordering fractions by size - Method 3
Putting fractions in order smallest to largest can be achieved if you simply work out the fraction. Remember
1/2=0.5
Example 1
Put the following fractions in order of the smallest to biggest fractions.
8/3 5/4 and 12/5
Now we can clearly see that
5/4 is the smallest... | {} |
• April 14, 2021, 04:14:27 PM
### Author Topic: Matchmaker^3 (Read 202 times)
0 Members and 1 Guest are viewing this topic.
#### pauldelbrot
• 3f
• Posts: 2686
##### Matchmaker^3
« on: January 11, 2021, 10:38:19 PM »
Ladies and gentlemen, I'd like to unveil for you ...
Matchmaker Cubed!
Many of you are no doubt... | {} |
Moles in photoelectric effect? [ENDORSED]
$c=\lambda v$
Ricky Ma DIS 4E
Posts: 72
Joined: Fri Sep 28, 2018 12:27 am
Moles in photoelectric effect?
Can someone explain to me why there are moles associated with Joules or the photoelectric effect in general? How are moles related to frequency etc? The mole questions r... | {} |
# What algorithm is suitable for very small scale, time dependent optimization?
I have a time-dependent (dynamic) optimization problem: $$f_t : [0;1]^2 \mapsto \mathbb{R}^+; t \in [1, \dots, n]$$ $f_t$ is to be maximized. That is for each $t$ I would like to find a relatively high value of $f_t$. Mostly, $f_t$ is a re... | {} |
# Function composition
(Difference between revisions)
Function composition is the act of pipelining the result of one function, to the input of another, creating an entirely new function.
## 1 Discussion and example
This can be done with any two functions, where the argument type of the first is the return type of ... | {} |
# Saving a notebook as PDF, preserving syntax highlighting
Currently, one may save notebooks as PDFs from the menu by Save As... and then selecting PDF (on a Mac, I imagine it is similar on other OSs). However, the resulting PDF does not have preserve the syntax highlighting of the code, even though things like plots ... | {} |
# SFML How are Symbols Loaded?
## Recommended Posts
I am getting the message : <information not available, no symbols loaded for sfml-graphics-d-2.dll> when hovering over the sf::Text object name for Visual C++ using Visual Studio (SFML). I am wondering how do I load the symbols so I can view the text object's text... | {} |
Under the auspices of the Computational Complexity Foundation (CCF)
REPORTS > DETAIL:
Revision(s):
Revision #1 to TR10-106 | 29th October 2010 04:04
Optimal Constant-Time Approximation Algorithms and (Unconditional) Inapproximability Results for Every Bounded-Degree CSP
Revision #1
Authors: Yuichi Yoshida
Accepted... | {} |
# Modulation instabilities in birefringent two-core optical fibres
@article{Li2012ModulationII,
title={Modulation instabilities in birefringent two-core optical fibres},
author={J. H. Li and Kin Seng Chiang and Boris A. Malomed and Kwok Wing Chow},
journal={Journal of Physics B: Atomic, Molecular and Optical Physics},... | {} |
Seminars
Online Weekly Research Seminar for Early Career Mathematicians from India.
This seminar takes place usually on Fridays, at a suitable time and is meant for talks by early career Indian mathematicians (PhD Students, Postdocs, and young faculty members). By Indian, we mean anyone residing/working in India now ... | {} |
C05 Chapter Contents
C05 Chapter Introduction
NAG Library Manual
# NAG Library Routine DocumentC05ZDF
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
C05ZDF checks the... | {} |
# Documenting Code
Goku Mohandas
· ·
Repository · Documentation
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## Intuition
Code tells you how, comments tell you why. -- Jeff Atwood
We can further organize our code by doc... | {} |
# A Complex Thought!
I was just playing around with complex numbers and I came up with something that I found really intriguing, but very bizarre and puzzling.
Note: I am just having fun, so, please do not take the following very seriously..But sure, please tell me in the comments whether it is correct or not.
My fi... | {} |
A. Graph and String
time limit per test
2 seconds
memory limit per test
256 megabytes
input
standard input
output
standard output
One day student Vasya was sitting on a lecture and mentioned a string s1s2... sn, consisting of letters "a", "b" and "c" that was written on his desk. As the lecture was boring, Vasya decid... | {} |
Navigate back to the activity.
## Matrix Representation of Spin Operators: Instructor's Guide
### Main Ideas
• Examining the matrix representation of spin operators for a spin 1/2 system written in the $S_z$ basis
• Showing that the spin operators (like any operator) can be written as a linear combination of project... | {} |
# Equations
## The Basic Definition
An equation is basically a math statement with an equal sign in the middle, for instance:
• ${\displaystyle 2(4)={\frac {32}{4}}}$
In algebra, equations often include variables:
• ${\displaystyle 7+a=b}$
• ${\displaystyle 6+10=x}$
• ${\displaystyle x=y}$
We are often asked to s... | {} |
# When simple explanations target a simple audience
Modern hams live busy lives and it is difficult to fit everything in to the available time / resources etc. So, there is an appetite for the skinny on some key topics, the inside info that took the wise a long time to learn.
This article discusses one of those artic... | {} |
# Klein four-subgroup of alternating group:A4
This article is about a particular subgroup in a group, up to equivalence of subgroups (i.e., an isomorphism of groups that induces the corresponding isomorphism of subgroups). The subgroup is (up to isomorphism) Klein four-group and the group is (up to isomorphism) altern... | {} |
The Convolution Exponential and Generalized Sylvester Flows
This paper introduces a new method to build linear flows, by taking the exponential of a linear transformation. This linear transformation does not need to be invertible itself, and the exponential has the following desirable properties: it is guaranteed to b... | {} |
## Maximizing a function?
Could someone please check my work on the following problem?
"The quantity, q, of a product manufactured depends on the number of workers, W, and the amount of capital invested, K, and is given by
q = 6 * W^(3/4) * K^(1/4)
Labor costs are $10 per worker and capital costs are$20 per unit, a... | {} |
# 378 search results for "animation"
## Conway’s Game of Life in R with ggplot2 and animation
June 5, 2011
By
In undergrad I had a computer science professor that piqued my interest in applied mathematics, beginning with Conway’s Game of Life. At first, the Game of Life (not the board game) appears to be quite simpl... | {} |
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