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# Find a complex number a + bi such that a2 + b2 is irrational
• Last Updated : 30 Dec, 2021
Real and imaginary numbers combine to form complex numbers. The imaginary component, I (iota), indicates a square root of -1. The imaginary portion of a complex number is i. a + ib is a typical representation of complex numbe... | {} |
# Composition of Linear Transformation and Matrix Multiplication
1. Mar 30, 2009
### jeff1evesque
Theorem 2.15:
Let A be an m x n matrix with entries from F. Then the left-multiplication transformation
$$L_A: F^n --> F^m$$. Furthermore, if B is any other m x n matrix ( with entries from F ) and B and D are the stand... | {} |
Hello,
Suppose that $k$ is an algebraically closed field of char. 0.
Let $X$ be a smooth connected variety over $k$.
Then I have the category $A$ of Regular Singular smooth $D$-modules on $X$ (i.e. algebraic vector bundles equipped with regular singular algebraic flat connections).
For a category $B$, I am less sur... | {} |
# Spatial Additive in SuperCollider
The following example creates a spatially distributed sound through additive synthesis. A defined number (40) of partials is routed to individual virtual sound sources which are rendered to a 3rd order Ambisonics signal.
## A Partial SynthDef
A SynthDef for a single partial with a... | {} |
# Finite Subgroups of $GL_2(\mathbb Q)$
I want to prove that the only finite subgroups of $GL_2(\mathbb Q)$ are $C_1, C_2, C_3, C_4, C_6, V_4, D_6, D_8,$ and $D_{12}$.
First, we determine all possible finite orders of elements. Now, an element of order $n$ will have a minimal polynomial that divides $x^n-1$, so its (... | {} |
# Convergence of $\sum _{n=1}^{\infty }\left\{ 1-n\log \dfrac {2n+1} {2n-1}\right\}$
I am Investigating the convergence of $$\sum _{n=1}^{\infty }\left\{ 1-n\log \dfrac {2n+1} {2n-1}\right\}$$. Now as per Cauchy's test for absolute convergence. If $\overline {\lim _{n\rightarrow \infty }}\left| u_{n}\right| ^{\dfrac {... | {} |
Hugh MacColl.
# Symbolic logic and its applications online
. (page 10 of 11)
Online LibraryHugh MacCollSymbolic logic and its applications → online text (page 10 of 11)
Font size
53_67
Y 9~
= t r 1 (477-469) p + t r 2 (469-477) p ,forQ p = (63Q) p
= x 1 e + aw = x 1 (see § 11, Formula? 22, 23).
Thus we get AB = ,i... | {} |
# Cryptic Five-words (-----|||||)
Inspired by Aggie Kidd's redux of the original "Four-words" puzzle by Prem, I decided to create a similar "Five-words" puzzle.
Some clues are intentionally somewhat vague and/or misleading, to keep it from being too easy, but they should all make sense when the solution is determined... | {} |
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Dynamic algorithms: new worst-case and instance-opti... | {} |
# Parametric Equations homework
1. Nov 26, 2006
### sherlockjones
1 If $$x = t^{3} - 12t$$, $$y = t^{2} - 1$$
find $$\frac{dy}{dx}$$ and $$\frac{d^{2}y}{dx^{2}}$$. For what values of $t$ is the curve concave upward.
So $$\frac{dy}{dx} = \frac{2t}{3t^{2}-12}$$ and
$$\frac{d^{2}y}{dx^{2}} = \frac{2}{3t^{2}-12}$$
S... | {} |
# Analytic continuation and convergence of a Riemann zeta related function
The functions in question are
$$L(s)=\sum_{k=1}^\infty \frac{\lambda(k)}{k^s}=\frac{\zeta(2s)}{\zeta(s)} \mbox{ and } L^*(s)=\frac{1}{2}\sum_{k=1}^\infty \frac{\lambda(k)+(-1)^{k+1}}{k^s}=\frac{L(s)+\eta(s)}{2},$$
where
• $$\lambda(k) = (-1)... | {} |
# Algorithms and Architectures for Security
Authored by: Mostafa Hashem Sherif
# Protocols for Secure Electronic Commerce
Print publication date: May 2016
Online publication date: May 2016
Print ISBN: 9781482203745
eBook ISBN: 9781482203776
10.1201/b20160-4
#### Abstract
The security of electronic commerce (... | {} |
The co-ordinates of points are given by
$X=\frac{u+v}{\sqrt{2}}, Y=\frac{u-v}{\sqrt{2}}, Z=uv$
(i) Explain why the totality of points given by the above equations form a surface.
(ii) Find the unit normal to the surface at any point (u,v) | {} |
PARAGRAPH "X"Let Sbe the circle in the x y-plane defined by the eq | Filo
class 11
Math
Co-ordinate Geometry
Conic Sections
566
150
PARAGRAPH Let be the circle in the -plane defined by the equation (For Ques. No 15 and 16)Let and be the chords of passing through the point and parallel to the x-axis and the y-axis... | {} |
# Symmetric Economic Curves
When I try to create symmetric curves for the left of the y-axis I get weird results. Does anyone have any idea what to do to get symmetric results?
\begin{figure}[h!]
\caption{???}
\centering
\begin{tikzpicture}[scale=0.5]
\draw[thick] (0,11) node[left]{$P$}--(0,0)--(12,0) node[below]{$Y$... | {} |
# Evolutionary Rates & Selection Strength
#### 2022-05-12
This vignette explains how to extract evolutionary rate parameters estimated from relaxed clock Bayesian inference analyses produced by the program Mr. Bayes. It also shows how to use evolutionary rate based inference of selection strength (or mode) adapted to... | {} |
Trending
## How to Prepare GATE Exam for Maths
Oct 18 • GATE, How to Prepare GATE Exam for Maths • 2018 Views • No Comments on How to Prepare GATE Exam for Maths
Exam pattern
Paper sections
Subject questions 85% of total marks
General aptitude ... | {} |
What happens when tran-2-butene reacts with aqueous bromine in the presence of chloride?
$$\ce{Br2-H2O}$$, containing some $$\ce{NaCl,AlCl3}$$ ?
I initially though that there would be anti addition of Br and OH to give 3-Bromobutan-2-ol but then I also got the intuition that NaCl might ionize in water and the $$\ce{C... | {} |
This is an archived post. You won't be able to vote or comment.
[–] 0 points1 point (3 children)
Think of an equation that relates the things discussed here. SohCahToa! Then you take the derivative, but the derivative of your angle becomes d-theta.
[–][S] 0 points1 point (2 children)
where does d(hypotenuse) fit ... | {} |
# Lesson 4. Crop Spatial Raster Data With a Shapefile in Python
## Learning Objectives
• Crop a raster dataset in Python using a vector extent object derived from a shapefile.
• Open a shapefile in Python.
In previous lessons, you reclassified a raster in Python; however, the edges of your raster dataset were uneven... | {} |
# Where does the energy from a nuclear bomb come from?
I'll break this down to two related questions:
With a fission bomb, Uranium or Plutonium atoms are split by a high energy neutron, thus releasing energy (and more neutrons). Where does the energy come from? Most books I've ever come across simply state e=mc2 and ... | {} |
However, most of the time there are limits placed on such things by the actual administrators of the notebook. See, for instance, the Sage Server instructions on the wiki, where ulimit has several options used. The one of most interest to you would be -t 36000 which means after 10 hours, the server will kick you off, w... | {} |
# Write Each of the Following Polynomials in the Standard Form. Also, Write Their Degree. X2 + 3 + 6x + 5x4 - Mathematics
Sum
Write each of the following polynomials in the standard form. Also, write their degree.
x2 + 3 + 6x + 5x4
#### Solution
$\text{Standard form of the given polynomial can be expressed as:}$
$... | {} |
# A very special light
The word LASER is the acronym for Light Amplification by Stimulated Emission of Radiation.
A laser is a very coherent light source. The high degree of spatial coherence allows the beam to be highly collimated and also very good focusable.
Further more the spectral longitudinal coherence is ver... | {} |
# BoxLeastSquaresPeriodogram¶
class lightkurve.periodogram.BoxLeastSquaresPeriodogram(*args, **kwargs)
Subclass of Periodogram representing a power spectrum generated using the Box Least Squares (BLS) method.
Attributes Summary
depth_at_max_power Returns the depth corresponding to the highest peak in the periodogr... | {} |
Research Article Volume 3, ISSUE 6, e00329, June 2017
• PDF [1 MB]PDF [1 MB]
• Top
Mechanical properties in crumple-formed paper derived materials subjected to compression
Open AccessPublished:June 16, 2017
Abstract
The crumpling of precursor materials to form dense three dimensional geometries offers an attractive... | {} |
# Translating Natural Language to LTL Formulae
I'm brand new to LTL and working on becoming better with LTL formulae. I've got two examples where I am unsure whether my LTL formula is correct.
I'm given the sentences, and my assumption is that $$l$$ is true:
1. $$l$$ is always false after $$m$$
LTL Translation: $$G... | {} |
Journal topic
Atmos. Chem. Phys., 18, 13987–14003, 2018
https://doi.org/10.5194/acp-18-13987-2018
Atmos. Chem. Phys., 18, 13987–14003, 2018
https://doi.org/10.5194/acp-18-13987-2018
Research article 02 Oct 2018
Research article | 02 Oct 2018
# Composition of ice particle residuals in mixed-phase clouds at Jungfraujo... | {} |
# Isotope Notation Isotope Notation uses a symbol to convey information about an isotope of a particular element. 23 Na 11.
## Presentation on theme: "Isotope Notation Isotope Notation uses a symbol to convey information about an isotope of a particular element. 23 Na 11."— Presentation transcript:
Isotope Notation I... | {} |
# Can the Darboux theorem be strengthened?
I recently learned the following formulation of the Darboux theorem in a class.
Theorem: Suppose $\omega_t$ is a smoothly varying family of symplectic forms on a closed manifold $M$ such that the cohomology class of $\omega_t$ is independent of $t$. Then there is a smoothly ... | {} |
### Theory:
Algebra plays a major role in real-life situations like finding the age, cost of items, etc.
Now, we shall learn the real-life application of linear equation in three variables.
The position of an object like ships, airplane, or any other object on Earth can be located using latitude, longitude and altit... | {} |
# Chimney
Jump to: navigation, search
For other uses, see Chimney (disambiguation).
"Smokestack" redirects here. For the 1963 avant-garde jazz album, see Smokestack (album).
The world's tallest chimney, of GRES-2 in Ekibastuz, Kazakhstan (419.7 metres).
A chimney remaining after the destruction of a 19th-century two-s... | {} |
# Laboratoire de Mécanique des Fluides et d’Acoustique - UMR 5509
LMFA - UMR 5509
Laboratoire de Mécanique des Fluides et d’Acoustique
Lyon
France
## Nos partenaires
Article dans C. R. Mécanique (2016)
## Influence of a magnetic field on the stability of a binary fluid with Soret effect
Mokhtar Ben Sassi, Slim Kad... | {} |
# Help with sequence formula
1. Mar 10, 2006
### Karla
Hi all,
Im doing some work with the triangular numbers, pretty basic stuff:
1 3 6 10 15
Now im trying to understand how to get the formula for calculating the nth term +1, the formula is:
n(n+1)/2
I have tried doing a difference table, only to find that the... | {} |
# One-to-one
Jump to: navigation, search
A function $f \colon X \rightarrow Y$ is called one-to-one (or injective) if for all $a, b \in X$, $f(a)=f(b)$ implies that $a=b$. | {} |
Synopsis
Boosting the Performance of Quantum Repeaters
Physics 15, s29
Multiplexing techniques could boost the chances of achieving end-to-end entanglement of a signal in a trapped-ion-based quantum-computer network.
To create a large-scale network of quantum computers, researchers need to develop devices that can a... | {} |
Two balls, ofmasses mA = 28 gand mB = 68 g are suspended as shown in Figure 7-44. Thelighter ball is pulled away to a 60° angle with the verticaland released.
Figure 7-44
(a) What is the velocity of the lighter ball beforeimpact? (Take the right to be positive.)
_______ m/s
(b) What is the velocity of each ball after... | {} |
Version: 2.2.1
# CSV import tool
CSV is a universal and very versatile data format used to store large quantities of data. Each Memgraph database instance includes a CSV import tool called mg_import_csv. The CSV import tool should be used for initial bulk ingestion of data into the database. Upon ingestion, the CSV i... | {} |
# Euler formulas
Jump to: navigation, search
Formulas connecting the exponential and trigonometric functions:
$$e^{iz}=\cos z+i\sin z,$$
$$\cos z=\frac{e^{iz}+e^{-iz}}{2},\quad\sin z=\frac{e^{iz}-e^{-iz}}{2i}.$$
These hold for all values of the complex variable $z$. In particular, for a real value $z=x$ the Euler ... | {} |
Home » Uncategorized » Inequality 3(George Basdekis)
# Inequality 3(George Basdekis)
Problem:
Let $\displaystyle a,b,c$ be positive real numbers. Prove that
$\displaystyle \frac{a}{bc}+\frac{1}{a}+\frac{b}{ca}+\frac{1}{b}+\frac{c}{ab}+\frac{1}{c}\geq \frac{1}{2}\left(\frac{a+b}{b^2+c^2}+\frac{b+c}{c^2+a^2}+\frac{c+... | {} |
# Homework Help: Elliptic Functions, same principal parts, finding additive C
1. Apr 13, 2017
### binbagsss
1. The problem statement, all variables and given/known data
See attached.
The solution of part e) is $C=4\psi(a)$
I am looking at part e, the answer to part d being that the principal parts around the pole... | {} |
# zbMATH — the first resource for mathematics
##### Examples
Geometry Search for the term Geometry in any field. Queries are case-independent. Funct* Wildcard queries are specified by * (e.g. functions, functorial, etc.). Otherwise the search is exact. "Topological group" Phrases (multi-words) should be set in "strai... | {} |
# Tikzmark; Tangent arrows
I am happy with this but I'd like to make the two drawn arrows tangent. Here is my minimal example:
\documentclass{article}
\usepackage{amsmath,tikz}
\usetikzlibrary{tikzmark}
\begin{document}
\begin{align*}
\textcolor{blue}{1\tikzmarknode{A}{}2}\bigg ( \dfrac{x\tikzmarknode{B}
{+}4}{4}-\d... | {} |
Back to all Elements
Math formulas in CMS
Writing inline (LaTeX) math formulas anywhere on a static or dynamic page using MathJax.
CMS
Code
Integration
The script allows math formulas to be written anywhere within the HTML code. To start the inline math you use either a dollar sign $or you can use a slash and an op... | {} |
# Help me understand the logic behind x - y in binary by boolean?
x and y are 4 bit signed numbers (2s complement..)
x - y can be obtained by:
!(!x + y)
I know that in 2s complement
-y = (!y + 1)
So I can pretty much understand how this works:
x - y = x + (!y + 1)
But, what sort of magic is going on in here,... | {} |
This book is in Open Review. I want your feedback to make the book better for you and other readers. To add your annotation, select some text and then click the on the pop-up menu. To see the annotations of others, click the button in the upper right hand corner of the page
## 16.2 Mathematical explanation
Now we can... | {} |
Posted on
# multinomial distribution proof
measures how far Xi is its from its expected value, In statistical mechanics and combinatorics if one has a number distribution of labels then the multinomial coefficients … }); {n1, … , some category. Then the chi-squared statistic is the sum of. 'the chi-squared curve with... | {} |
MathOverflow will be down for maintenance for approximately 3 hours, starting Monday evening (06/24/2013) at approximately 9:00 PM Eastern time (UTC-4).
3 added 8 characters in body
Recall that an etale topological stack is a stack $\mathscr{X}$ over the category of topological spaces (and open covers) which admits a... | {} |
# SICP section 1.3 - formulating abstractions with higher-order procedures
## Exercise 1.32
The generalised form of sum and product can be defined (recursively) as follows:
(define (accumulate combiner null-value term a next b)
(if (> a b)
null-value
(combiner (term a)
(accumulate combiner null-value term (next a) n... | {} |
1. Mar 9, 2014
### Maylis
1. The problem statement, all variables and given/known data
A small adiabatic air compressor is used to pump air into a 20-m3 insulated tank. The tank initially contains air at 25°C and 101.33 kPa, exactly the conditions at which air enters the compressor. The pumping process continues unti... | {} |
# How to draw industry schematic diagram in LaTeX?
Is it possible to create the following diagram in LaTeX ? I am interested in the main body, any colour inside the box is fine.
-
Hi giannis :) and welcome to TeX.sx. In its current form, your question might not receive many answers. Please take a look at the How to A... | {} |
# Potassium tetraoxalate preparation [closed]
How is potassium tetraoxalate produced industrially? In fact How I can limit the reaction of $$\ce{H2C2O4}$$ and $$\ce{KOH}$$?
Or is there any other route for this purpose?
If you are to react potassium hydroxide with oxalic acid in 1:1 mole ratio, you will get potassium... | {} |
# Philosophy of Utility Maximisation
Over the weekend, I skimmed through the Springer Undergraduate Mathematics Series book ‘Game Theory‘ by James Webb. It’s a book that has been sitting on my bookcase for a while, and a topic which sits at only one step removed from what I am particularly interested in. But somehow, ... | {} |
## Auxiliary Programs — EnergyPlus 8.6
### Auxiliary Programs
The following files are input to the EnergyPlus program.
The input data dictionary (IDD) is an ascii (text) file containing a list of all possible EnergyPlus objects and a specification of the data each object requires. This file is analogous to the DOE-2... | {} |
Hardcover | $100.00 Short | £68.95 | ISBN: 9780262112789 | 648 pp. | 8.5 x 11 in | 128 illus.| September 2003 Ebook |$70.00 Short | ISBN: 9780262252423 | 648 pp. | 8.5 x 11 in | 128 illus.| September 2003
# The MIT Encyclopedia of Communication Disorders
Edited by Raymond D. Kent
## Overview
A massive reference wor... | {} |
Calculates the long-term percentiles from a daily streamflow data set. Calculates statistics from all values, unless specified. Returns a tibble with statistics.
calc_longterm_percentile(
data,
dates = Date,
values = Value,
groups = STATION_NUMBER,
station_number,
percentiles,
roll_days = 1,
roll_align = "right",
wate... | {} |
## 论文摘要
• 抛弃RNN，只用CNN做Seq2Seq（机器翻译）任务。但是全篇少不了CNN与RNN的对比描述。
• RNN是链式结构（Chain Structure），不能并行训练，CNN(Hierarchical Structure)可以，并且大大降低计算复杂度。
（主要详细展开第三节的内容。本篇以走读的形式，一句话quote出来，再解释理解，写完整理删，挑我觉得重要的句子讲，读这篇文章最好是对这篇论文有一定了解，或者是左边是论文，右边是这篇文章，下面引用的句子都是论文里的文字，之前读过很多论文，也是在纸上画画，这个是第一篇写论文笔记）
## 1. Introduction
CNN vs RNN
1. 链式/层级 ... | {} |
# Rational and Irrational Numbers
## Definition
Rational numbers are numbers that can be expressed as the ratio of two integers. Rational numbers follow the rules of arithmetic and all rational numbers can be reduced to the form $\frac{a}{b}$, where $b\neq0$ and $gcd(a,b)=1$.
Rational numbers are often denoted by $\... | {} |
Question 1
When answering a multiple choice question assume a student has a 50% probability to know the correct answer. Otherwise, he will guess and he still has a 20% probability to choose the correct answer. Given that he chooses the correct answer, what is the probability that he guessed?
Solution: Our main event ... | {} |
# Entanglement detection
@inproceedings{Guhne2008EntanglementD,
title={Entanglement detection},
author={Otfried Guhne and G{\'e}za T{\'o}th},
year={2008}
}
• Published 18 November 2008
• Physics
1,292 Citations
## Figures and Tables from this paper
What Criterion Can We Get From Precise Entanglement Witnesses?
• Phy... | {} |
# How do you factor 6xy+15x?
Apr 9, 2017
$3 x \left(2 y + 5\right)$
#### Explanation:
Both terms have the variable $x$,
$x \left(6 y + 15\right)$
Both terms can be factored by $3$,
$3 x \left(2 y + 5\right)$
You can check if you factored correctly by multiplying through the brakctets,
$\left(3 x \cdot 2 y\righ... | {} |
GMAT Question of the Day - Daily to your Mailbox; hard ones only
It is currently 14 Aug 2018, 18:32
### 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... | {} |
English
# Item
ITEM ACTIONSEXPORT
Released
Conference Paper
#### Discrepancy of Products of Hypergraphs
##### MPS-Authors
/persons/resource/persons44338
Doerr, Benjamin
Algorithms and Complexity, MPI for Informatics, Max Planck Society;
/persons/resource/persons44598
Hebbinghaus, Nils
Algorithms and Complexi... | {} |
Lemma 10.30.4. Let $R$ be a domain. Let $\varphi : R \to S$ be a ring map. The following are equivalent:
1. The ring map $R \to S$ is injective.
2. The image $\mathop{\mathrm{Spec}}(S) \to \mathop{\mathrm{Spec}}(R)$ contains a dense set of points.
3. There exists a prime ideal $\mathfrak q \subset S$ whose inverse i... | {} |
Hardcover | $40.00 Short | £32.95 | 304 pp. | 6 x 9 in | September 2017 | ISBN: 9780262036719 eBook |$28.00 Short | September 2017 | ISBN: 9780262342148
Mouseover for Online Attention Data
Real Hallucinations
Psychiatric Illness, Intentionality, and the Interpersonal World
Overview
In Real Hallucinations, Matthew R... | {} |
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## Site Tag Cloud
Vanilla 1.1.10 is a product of Lussumo. More Information: Documentation, Community Support.
• CommentRowNumber1... | {} |
# Unification of expressions involving sets
Let's let $\def\OP#1#2{\left\langle#1,#2\right\rangle}\OP xy$ represent the set $\{\{x\},\{x,y\}\}$ as is usual, per Kuratowski. Then:
$$\begin{eqnarray} \OP{\OP ab}c & = & \{\{\{\{a\}, \{a,b\}\}\}, \{\{\{a\}, \{a, b\}\}, c\}\} \\ \OP x{\OP yz} & = & \{\{x\}, \{x, \{\{y\}, ... | {} |
# Say a stock has increased from $4.34 a share to$6.55 a share. How much would that be percentage-wise?
Aug 9, 2016
50.92% increase.
#### Explanation:
Calculate the percentage increase or percentage decrease in the same way.
Find the difference - whether increased or decreased.
Percent change = "change"/"original... | {} |
### JEE Mains Previous Years Questions with Solutions
4.5
star star star star star
1
### AIEEE 2004
The binding energy per nucleon of deuteron $\left( {{}_1^2\,H} \right)$ and helium nucleus $\left( {{}_2^4\,He} \right)$ is $1.1$ $MeV$ and $7$ $MeV$ respectively. If two deuteron nuclei react to form a single helium ... | {} |
Browse by: Author name - Classification - Keywords - Nature
1 matches found
XI: 12, 132-195, LNM 581 (1977)
MEYER, Paul-André
Le dual de $H^1({\bf R}^\nu)$~: démonstrations probabilistes (Potential theory, Applications of martingale theory)
This is a self-contained exposition and proof of the celebrated (Fefferman-Ste... | {} |
A transition function expansion for a diffusion model with selection
Barbour, A D; Ethier, S; Griffiths, R (2000). A transition function expansion for a diffusion model with selection. Annals of Applied Probability, 10(1):123-162.
Abstract
Using duality, an expansion is found for the transition function of the rever... | {} |
# absolute continuity on $R^{n}$
I know the definition of absolute continuity if there is a function $f:(a,b)\rightarrow R$. I wonder what is an analogy of this concept if we have a function $f:A\rightarrow R$, where $A\subset R^{n}$ is open set.
-
I guess it may depend on exactly which property of absolutely contin... | {} |
Chemistry: The Molecular Science (5th Edition)
This is a redox reaction. Oxidizing agent: $Ti$ Reducing agent: $Mg$
Before the reaction, $Ti$ was in $TiCl_4$. Each chlorine has "-1" as an oxidation number, so, $Ti$ has +4. After the reaction $Ti$ is represented as $Ti(s)$ So, it has 0 as its oxidation number. $Ti$ red... | {} |
Science:Math Exam Resources/Courses/MATH102/December 2016/Question A 08/Solution 1
The correct choice is (iii), because at the inflection point the function changes its concavity, so the tangent line moves from being above the graph to be below the graph or vice versa, so it must cross the graph from one side to the o... | {} |
Equation Equivalence
1. Jun 20, 2012
hammonjj
1. The problem statement, all variables and given/known data
Show that:
7x≈3 mod(15)
2. Relevant equations
From the given above I think it should be:
7x-3=15n
3. The attempt at a solution
I tried factoring this in various ways to show that either said was a factor of... | {} |
# Generating Concordances¶
This notebook shows how you can generate a concordance using lists.
First we see what text files we have.
In [1]:
ls *.txt
Hume Enquiry.txt negative.txt positive.txt
Hume Treatise.txt obama_tweets.txt
We are going to use the "Hume Enquiry.txt" from the Gutenberg Project. You ca... | {} |
# What is the difference between matter & spacetime? [duplicate]
If the universe is expanding why doesn't the matter in it expand proportionally making it seem as if the universe is static? Alternatively, as spacetime expands why does it not just slide past matter leaving matter unmoved? What anchors the matter to a p... | {} |
# Hypothesis Testing
Hypothesis: if you can take an idea which most people thought was the most hated concept in America this side of al-Qaeda’s mission statement and turn that idea into a book which stays on the New York Times bestseller list for almost a year, publishers will let you write your own ticket at least o... | {} |
1. ## Integral problem
Given: $\int_0^{2\pi} \cos^2{6\theta} \, d\theta$
_____________________________________________
Attempt: $\int_0^{2\pi} \cos^2{6\theta} \, d\theta = \int_0^{2\pi}\$ $\frac{1-sin^2{12\theta}}{2}\, d\theta = \int_0^{2\pi}\ \frac{1}{2}\, d\theta$ $-\frac{1}{2}\int_0^{2\pi}$ $2sin{6\theta}\, cos{6\... | {} |
Expand collect like terms:
x(x+7)+4(x^2-5)
=x^2+7x+4x^2-20
= 5x^4+7x-20
i'm not sure if i'm was suppose to add the exponents together to make 5x^4
or 5x^2
2. It should have been $5x^2$, but apart from that you are completely right.
3. Do not add the exponents!
x^2 + 4x^2 = 5x^2
4. thanks guy, really appreciate... | {} |
Climate input format
ClimateData
Format of climate input data
iLand uses climate data on a daily basis. Climate data is stored in a SQLite database with a fixed naming convention. The location of the climate database as well as additional options are configured in the project file. The CO2 concentration is considere... | {} |
# Lambda Expressions in Java
#### Software Engineering Java
Get FREE domain for 1st year and build your brand new site
Lambda expressions were added in Java 8 along with functional programming. Before understanding lambda expressions or lambdas for short, a prerequisite is to understand what is a Functional Interfac... | {} |
# Beverton–Holt model
The Beverton–Holt model is a classic discrete-time population model which gives the expected number n t+1 (or density) of individuals in generation t + 1 as a function of the number of individuals in the previous generation,
$n_{t+1} = \frac{R_0 n_t}{1+ n_t/M}.$
Here R0 is interpreted as the pr... | {} |
• ### Transverse polarization of $\Lambda$ hyperons from quasireal photoproduction on nuclei(1406.3236)
Oct. 3, 2014 hep-ex, nucl-ex
The transverse polarization of $\Lambda$ hyperons was measured in inclusive quasireal photoproduction for various target nuclei ranging from hydrogen to xenon. The data were obtained by ... | {} |
# [OS X TeX] Unknown graphics extension: ps and latex209 files
Claudio Chagas claudchagas at gmail.com
Sat Apr 22 00:14:13 CEST 2006
Hello,
I'm a novice in LaTeX, and the more I learn the more I like it. There are
still some hurdles to overcome though. I have a basic installation of TeX on
my Mac and I believe I've ... | {} |
# Unable to evaluate reasonable max expression
Consider the following statement:
Max[0, Sqrt[1 - Cos[4 \[Theta]]]]
You'll find that Mathematica won't evaluate this, because it doesn't know the range of $\theta$. Okay, that makes sense, so change it to:
Simplify[Max[0, Sqrt[1 - Cos[4 \[Theta]]]], {0 <= \[Theta] <= ... | {} |
Blogs/Image Translation
# Image Translation
mesakarghm Sep 16 2021 1 min read 169 views
Computer Vision
The translation of an image is the process of moving or relocating of an image or object from one location to another. Using a predefined transformation matrix, we can relocate the image in any direction. The foll... | {} |
Article Contents
Article Contents
# Dynamics and optimal control of chemotherapy for low grade gliomas: Insights from a mathematical model
• We discuss the optimization of chemotherapy treatment for low-grade gliomas using a mathematical model. We analyze the dynamics of the model and study the stability of solutions... | {} |
# Trying to understand mixed states
I took a basic quantum chemistry course (McQuarrie's "Quantum Chemistry"), but it never dealt with mixed states -- only pure states (or if it did, we never got to it in class).
So I'm trying to understand them on my own. Consider a situation where Bob is in the lab and flips a coin... | {} |
Estimating Cumulative Distribution Functions with Maximum Likelihood to Sample Data Sets of a Sea Floater Model
Title & Authors
Estimating Cumulative Distribution Functions with Maximum Likelihood to Sample Data Sets of a Sea Floater Model
Yim, Jeong-Bin; Yang, Won-Jae;
Abstract
This paper describes evaluation proced... | {} |
# Into how many mls of water should you pour 100.0 ml of 9.00 M sulfuric acid to get a 3.00 M solution?
Oct 17, 2016
You should pour it into a $200 \cdot m L$ volume of water.
#### Explanation:
I am glad you got the order of addition right. You ALWAYS add acid to water. It is well known that if you spit in acid it ... | {} |
# Generics and Compile-Time in Rust
Brian Anderson
September 17, 2020
The Rust programming language compiles fast software slowly.
In this series we explore Rust’s compile times within the context of TiKV.
## Rust Compile-time Adventures with TiKV: Episode 2
In the previous post in the series we covered Rust’s ea... | {} |
Homework Help: Formula deduction V2 = V02 + 2g(y - y0)
1. Sep 26, 2011
iZnoGouD
I need to make the deduction of this formula V2 = V02 +- 2g(y - y0)
Could you guys help me? this is so hard for me
2. Sep 26, 2011
Ignea_unda
Welcome to PF, iZnoGouD!
Could you clarify what you mean by "making the deduction"? I'm not... | {} |
# How can I create a new tables out of a table and plot it
I have the following problem. I have a table, call it m, which is labelled by 3 indices (say i,j,k), each of them running from 1 up to 100. I would like to be able to construct a new table which would consist of elements taken from m under the following condit... | {} |
Recent questions tagged inequality
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With what expression must $27x^3+1$ be divided to get a quotient of $3x+1$?
With what expression must $27x^3+1$ be divided to get a quotient of $3x+1$?With what expre... | {} |
Here are a few interesting links I browsed recently, listed in no particular order:
“Mathematicians Tame Turbulence in Flattened Fluids” [^].
The operative word here, of course, is: “flattened.” But even then, it’s an interesting read. Another thing: though the essay is pop-sci, the author gives the Navier-Stokes equ... | {} |
Future Post Race Impound and Pre Race Tech Inspections (Ideas)
Recommended Posts
I know there are items within ChampCar we can do better or be more consistent on and I have a couple of ideas, but I want to see what the member feedback is on what you all are looking for in the future. I would like to get some ideas t... | {} |
# Python script losing arguments when run from PATH on Windows
I know my title is not descriptive so let me try to explain it here.
Normally I execute my python script like this:
D:\github\Miscellaneous-Programs\Python>python check.py -h
hello
['check.py', '-h']
Now what I did is added the folder D:\github\Miscell... | {} |
Science: the toroidal pyramid
Chad Orzel gripes about this month’s Scientific American special issue on “The Future of Physics” — which is actually extremely good, but which turns out to be exclusively about the future of high-energy particle physics. Not surprisingly, the commenters on Chad’s blog reignite the ancien... | {} |
# Can a Peano Set have two or more zeros?
I repeat the Peano Axioms:
1. Zero is a number.
2. If a is a number, the successor of a is a number.
3. zero is not the successor of a number.
4. Two numbers of which the successors are equal are themselves equal.
5. If a set S of numbers contains zero and also the succes... | {} |
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