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# Correlation vs Lasso for Feature Selection
I read from literature that the following two methods can be used for feature selection prior to model development: 1. Correlation factor between target and feature variables (select those features that have correlation > threshold) 2. Lasso
Which of the above two methods ... | {} |
# Edexcel A Level Further Maths: Core Pure:复习笔记5.2.1 Improper Integrals
### Improper Integrals
#### What are improper integrals?
• An improper integral is a definite integral where one or both of the limits is either:
• Positive or minus infinity
• A point where the function is undefined
• Consider the graph of
• It... | {} |
# How do you solve 8/(x+2)+8/2=5?
May 26, 2017
$x = 6$
#### Explanation:
Given: $\frac{8}{x + 2} + \frac{8}{2} = 5$
One way to solve is by realizing that $\frac{8}{2} = 4$, so substitute this value into the equation: $\text{ } \frac{8}{x + 2} + 4 = 5$
Simplify by subtracting $4$ from both sides of the equation:
$... | {} |
## Differential and Integral Equations
### Smooth solutions for an integro-differential equation of parabolic type
#### Article information
Source
Differential Integral Equations, Volume 2, Number 1 (1989), 111-121.
Dates
First available in Project Euclid: 25 June 2013
Permanent link to this document
https://proje... | {} |
# 1.9: 1.9 Asymptotes and End Behavior
Most functions continue beyond the viewing window in our calculator or computer. People often draw an arrow next to a dotted line to indicate the pattern specifically. How can you recognize these asymptotes?
### Asymptotes and End Behavior of Functions
A vertical asymptote is a... | {} |
# Statistical mechanics
Statistical mechanics is the application of statistics, which includes mathematical tools for dealing with large populations, to the field of mechanics, which is concerned with the motion of particles or objects when subjected to a force.
It provides a framework for relating the microscopic pr... | {} |
# Change a parameter in document using the cmd?
I need to be able to change the value of a parameter inside a LaTeX document without having to change it manually. I'll explain:
There is one main program that executes another smaller one. This smaller program computes some things and creates a .txt-file with a specifi... | {} |
The profile you are now visiting: Michael Wolf. Go back to Past records to show all talks or carry out a new search.
# Polynomial Pick forms for affine spheres and real projective polygons.
## Michael Wolf Rice University
(Joint work with David Dumas.) Convex real projective structures on surfaces, corresponding to ... | {} |
# Why I got the same action when testing the A2C?
I'm working on an advantage actor-critic (A2C) reinforcement learning model, but when I test the model after I trained for 3500 episodes, I start to get almost the same action for all testing episodes. While if I trained the system for less than 850 episodes, I got dif... | {} |
## 2014-06-01
### Back to Optimizing
It's been a while since I lost wrote, but I have a good excuse, I've been focusing on creating the Android version of my game. The good news is that everything is working now. It's running on both Android 2.3+ and a slightly improved version for Android 4.4+ (it shows in full-scre... | {} |
# Prove that there are an infinite number of natural numbers that cannot be written as the sum of three squares.
I am having trouble proving this. I know that I need to look at the quadratic residues mod 8 and that they are 1,4 or 0. However how do I prove that these are the equivalence classes of Z/3Z.
Then I can ad... | {} |
TBTK
ReciprocalLattice.h File Reference
A ReciprocalLattice allows for the creation of a momentum space Model from a UnitCells. More...
#include "TBTK/Model.h"
#include "TBTK/StateTreeNode.h"
#include "TBTK/UnitCell.h"
#include <initializer_list>
#include <vector>
Go to the source code of this file.
Classes
class ... | {} |
# Effect of color superconductivity on the mass and radius of a quark star
@article{Rster2004EffectOC,
title={Effect of color superconductivity on the mass and radius of a quark star},
author={Stefan R{\"u}ster and Dirk H. Rischke},
journal={Physical Review D},
year={2004},
volume={69},
pages={045011}
}
• Published 10... | {} |
## Elementary Statistics: A Step-by-Step Approach with Formula Card 9th Edition
Published by McGraw-Hill Education
# Chapter 7 - Confidence Intervals and Sample - Chapter Quiz - Page 409: 13
#### Answer
I am 95% confident that the population average cost of doctor’s visits is between 43.15 and 46.45
#### Work Step... | {} |
# Probability mass function undefined
Say $(X_i)$ is a sequence of $n$ $i.i.d$ Bernoulli random variables, each with parameter $p_i$. Define the following for all real $a_i>0$, $$S_{n} =\frac{1}{n} \sum _{i=1}^{n}a_iX_i$$ EDIT: In the special case of $a_i=1$, we may use probability generating functions to arrive at th... | {} |
# embedding
(redirected from Isometric embedding)
Also found in: Dictionary, Medical.
Related to Isometric embedding: Imbedding
## embedding
[em′bed·iŋ]
(mathematics)
An injective homomorphism between two algebraic systems of the same type.
## embedding
(mathematics)
One instance of some mathematical object contai... | {} |
# Nautilus
Member Since 19 Nov 2004
Offline Last Active Jun 12 2013 03:37 PM
### Unknown HRESULT (0x8006FC24) from DirectInput
10 June 2013 - 01:35 PM
A call to IDirectInputDevice7::GetDeviceState() is failing unexpectedly. The HRESULT code returned is being 2147941412 (0x8006FC24), which maps to nothing known. Acc... | {} |
# Deterministic Nonfinite Automaton - Longest Block of Ones
How to Think About Algorithms - Jeff Edmonds
Exercise 2.2.2
The problem asks to find $\sum$, Q, δ, s, and F of this program if we see it as an automaton. Edmonds characterized this as deterministic non-finite automaton since 'n' is not bounded.
$\sum$ is {... | {} |
# How do you write the vector equation that passes through point (-1,4) and parallel to <6,-10>?
Jan 17, 2017
$\vec{r} = \left(\begin{matrix}- 1 \\ 4\end{matrix}\right) + l a m \mathrm{da} \left(\begin{matrix}6 \\ - 10\end{matrix}\right)$
#### Explanation:
The vector equation of a line in the direction of $\vec{D}$... | {} |
Phsyics Kinematics: cannonball shot straight up
1. Feb 28, 2010
okgo
2. Feb 28, 2010
jfy4
here is my math for it.
$$v_{y}=v\sin\theta$$
$$v_{x}=v\cos\theta$$
$$t=\frac{v\sin\theta}{g}$$
to get the total time in the air multiply by two, becuase that time is only half way.
$$x=v\cos\left(\theta\right) t$$
plug in ... | {} |
# SAT/ACT problem of the week, October 27, 2016 solution
Hint for process of elimination: You need to know that “integers” are the positive and negative whole numbers, “nonnegative” means the numbers are not negative, and “distinct” means the list does not repeat any numbers. If the arithmetic mean of the five numbers... | {} |
Mathematical and Physical Journal
for High Schools
Issued by the MATFUND Foundation
Already signed up? New to KöMaL?
# KöMaL Problems in Mathematics, February 2016
Show/hide problems of signs:
## Problems with sign 'K'
Deadline expired on March 10, 2016.
K. 493. Is it possible to write the numbers 1, 2, 3, 4, 5, ... | {} |
Valence-bond entanglement and fluctuations in random singlet phases
# Valence-bond entanglement and fluctuations in random singlet phases
Huan Tran111Current address: Department of Physics, University of Basel, Klingelbergstrasse 82, 4056 Basel, Switzerland and N. E. Bonesteel Department of Physics and National High ... | {} |
# Resonance of Tosylate ion
For the Tosylate ion, the negatively charged oxygen is stabilized via resonance with the oxygen atoms. But what are the orbitals of sulfur that are involved in the overlap? Is the sulfur $$\ce{sp^2}$$ hybridized and thus have a p-orbital for resonance?
If it is $$\ce{sp^2}$$, would that me... | {} |
• Browse all
Measurement of the $K_L$ nuclear interaction length in the NaI(Tl) calorimeter
JINST 10 (2015) P09006, 2015.
Abstract (data abstract)
NOVOSIBIRSK-VEPP-2M. In the study of the reaction $e^+e^-\to K_{S}K_{L}$ at the VEPP-2M $e^+e^-$ collider with the SND detector the nuclear interaction length of $K_{L}$ m... | {} |
Math Calculators, Lessons and Formulas
It is time to solve your math problem
mathportal.org
• Pre algebra
• Absolute values
• Absolute value equations
# Absolute value equations
ans:
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±
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×
7
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auto next question
calculator
• Question 1: 1 pts Solve equation $|-3r|=1... | {} |
#### COORDINATE_SYSTEM_FUNCTION
###### Coordinate system
*COORDINATE_SYSTEM_FUNCTION
"Optional title"
csysid, $x_0$, $y_0$, $z_0$
$\hat{x}_x$, $\hat{x}_y$, $\hat{x}_z$, $\bar{y}_x$, $\bar{y}_y$, $\bar{y}_z$
##### Parameter definition
VariableDescription
csysid Unique identification number
$x_0$, $y_0$, $z_0$ Coordinat... | {} |
# How to get the .47 file from ORCA for natural bonding orbital analysis
I am trying to perform NBO analysis with relaxed density matrix with the open-source program JANPA. I am following the guide here. The first step is to get the NBO input .47 file from Orca v4.2.1. The guide says that I should request NBO analysis... | {} |
# Ordinary Differential Equations/Linear Equations
## Linear Equations and Linear OperatorsEdit
A general linear equation is of the form
${\displaystyle P_{0}(x)y^{(n)}+P_{1}(x)y^{(n-1)}+...+P_{n}y=Q(x)}$ ,
where we will assume that the coefficient functions ${\displaystyle P_{i}(x)}$ and Q(x) are continuous funct... | {} |
I. Fundamentals
# Major Scales, Scale Degrees, and Key Signatures
Chelsey Hamm and Bryn Hughes
Key Takeaways
• A major is an ordered collection of half- and whole-steps with the ascending succession W-W-H-W-W-W-H.
• Major scales are named for their first note, which is also their last note. Be sure to include any a... | {} |
# Overview
• describe the ‘standard workflow’ of a meta-analysis
• introduce additional complexities that often arise
• describe a workflow that addresses these issues
• illustrate analyses using the metafor package for R
# Standard Workflow
• define goal(s) of meta-analysis and inclusion/exclusion criteria
• find r... | {} |
### Home > CC1 > Chapter 3 > Lesson 3.1.5 > Problem3-74
3-74.
Maya and Logan each made up a “Guess my Decimal” game just for you. Use their clues to determine the number.
1. Maya gives you this clue: “The decimal I am thinking of is $\mathit{3}$ tenths greater than $\mathit{80\%}$. What is my decimal?” Show your wor... | {} |
Question
# Solve the following system of linear equations in two variables by Substitution method.5x-2y=-7x=-2y+1
Equations
Solve the following system of linear equations in two variables by Substitution method.
$$5x-2y=-7$$
$$x=-2y+1$$
2021-02-12
Consider the following system of linear equations:
$$5x-2y=-7$$...(... | {} |
Backward stochastic variational inequalities on random interval
# Backward stochastic variational inequalities on random interval
[ [ [ [ Faculty of Mathematics, “Alexandru Ioan Cuza” University, Carol I Blvd., no. 11, Iasi, 700506, Romania. \printeade1,e2 Department of Mathematics, “Gheorghe Asachi” Technical Uni... | {} |
# How do you solve -3/4x+5/14=-2 by clearing the fractions?
Feb 5, 2017
See the entire solution process below:
#### Explanation:
First, multiply each side of the equation by $\textcolor{red}{28}$ to eliminate the fractions while keeping the equation balanced. $\textcolor{red}{28}$ is the lowest common denominator o... | {} |
# How quickly could a craft find its location using only pulsars?
I'm only just beginning to scratch the surface of the possibilities in interstellar travel. I know that pulsars can be independently identified by means of measuring their pulses, and that once enough have been identified they can be used to identify on... | {} |
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## The Black-Scholes Equation and Certain Quantum Hamiltonians
Juan M. Romero, O. Gonzalez-Gaxiola, J. Ruiz de Chavez, R. Bernal-Jaquez
Abstract: In this paper a quantum mechanics is built by means of a ... | {} |
# Correlation functions of the energy-momentum tensor in SU(2) gauge theory at finite temperature
Hübner KA, Karsch F, Pica C (2008)
Physical Review D 78(9).
Es wurde kein Volltext hochgeladen. Nur Publikationsnachweis!
Zeitschriftenaufsatz | Veröffentlicht | Englisch
Autor
; ;
Abstract / Bemerkung
We calculate corre... | {} |
The statistical nature of the 2nd Law of Thermodynamics
Ok, so entropy increases... This is supposed to be an absolute statement about entropy. But then someone imagines a box with a 10 particle gas, and finds that every now and then all particles are in the left. Conclusion, the 2nd law holds only in a statistical se... | {} |
# How do you find the inverse of f(x)=(3x-2)/(x+7)?
${f}^{- 1} x = \frac{7 x + 2}{3 - x}$
$y = f \left(x\right) = \frac{3 x - 2}{x + 7} = \frac{3 x + 21 - 23}{x + 7} = 3 - \frac{23}{x + 7}$
$y = 3 - \frac{23}{x + 7} \implies \left(y - 3\right) = - \frac{23}{x + 7} \implies x + 7 = \frac{23}{3 - y} \implies x = - 7 + \... | {} |
Document Detail
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
Full Text Journal Information Journal ID (nlm-ta): Oecologia Journal ID (iso-abbrev): Oecologia ISSN: 0029-8549 ISSN: 1432-1939 Publisher: Springer-Verlag, Berlin/Heidelberg Article Information Download PDF © The Author(s) 201... | {} |
Mathematics
OpenStudy (anna):
what is the value of theta here,, 4sin2theta=0
OpenStudy (sid1729):
$4\times \sin (2\theta) = 0$ If you divide both sides by 4, you get: $\frac{4 \times \sin(2\theta)}{4} = \frac{0}{4}$ which reduces to $\sin (2\theta) = 0$ Now, what are the values where the sin function can be zero? Th... | {} |
## <3 sed
Posted Fri 27 April 2012 17:41 under category tech
I wrote a fun sed script today:
sed -E -n -e ':t ; s/(.{21})(.*)/\\bf\{\1\}\n\2/ ; p ; s/\\bf\{(.*)\}\n.*/\1/ ; h ; :q { n ; G ; s/(.{21})(.*)\n\1/\2/ ; tp ; s/(.+)\n.*/\1/ ; bt} ; :p { P ; bq }'
Short, but effective. Can you figure out what it does?
(s... | {} |
# Conditional Probability and Independence - Find the probability that player 1 wins the game.
Suppose that there are ten cards numbered from 1 to 10. The cards are shuffled and the game is played between two players: player 1 and player 2. Player 1 starts the game. Player 1 wins if he selects any card numbered from 1... | {} |
Assume that a 90.0 W light bulb radiates all its energy as a single wavelength of visible light.
(a) Estimate the electric field strength at the surface of the bulb. Assume that the bulb is a sphere and its radius is 2.8 cm.
V/m
(b)Estimate the magnetic field strength at the surface of the bulb.
T | {} |
TrojanPoem one year ago Find the intervals of upwards concavity and downwards concavity and turning points if exists for the curve of function f as f(x) = x^2 +9 /x and find the absolute maximum and minimum for the function when x (- [1, 6]
1. anonymous
start by taking the first and second derivatives
2. TrojanPoem
... | {} |
Book: College Algebra
Book: College Algebra is shared under a CC BY-NC-SA license and was authored, remixed, and/or curated by LibreTexts. | {} |
# OVERVIEW
BACK
The XAFS2 beamline is an experimental station dedicated to X-ray Absorption Spectroscopy in the hard x-rays energy range (3.5 to 17.0 keV). It focus on the study of the atomic-level structure as well as in the electronic and magnetic properties of matter, with applications in a wide range of scientifi... | {} |
# Samacheer Kalvi 10th Maths Guide Chapter 7 Mensuration Ex 7.1
Students can download Maths Chapter 7 Mensuration Ex 7.1 Questions and Answers, Notes, Samacheer Kalvi 10th Maths Guide Pdf helps you to revise the complete Tamilnadu State Board New Syllabus, helps students complete homework assignments and to score high... | {} |
# ~/Recursion
## Brandon Rozek
PhD Student @ RPI studying Automated Reasoning in AI and Linux Enthusiast.
## Reductions
Quote: Reduction is the single most common technique used in designing algorithms. Reduce one problem $X$ to another problem $Y$.
The running time of the algorithm can be affected by $Y$, but $Y$... | {} |
# Bond prices at future times under Vasick one-factor model
In Vasicek one-factor model (and in other affine models), the price of a zero-coupon bond at time $t$ conditional on the information at this time is
$$P(t,T) = E[e^{-\int^T_tr(u)du}|F_t] = A(t,T)e^{-B(t,T)r(t)} \quad\quad (1)$$ for which $r(t)$ is known sinc... | {} |
BEST Calc- and Algebra-Based Textbooks with the same Chapter Sequence?
• Intro Physics
elleninphysics
Hi there!
I am teaching the algebra- and calculus-based physics courses at my university. The courses are taught at different times but in parallel, and students from both courses share the same lab sections. I'd like... | {} |
# Does Wurtz-Fittig-reaction involves Sn1 or Sn2?
Following mechanism is commonly proposed for the Wurtz-Fittig-Reaction:
Picture from Wikipedia
The red marked reaction steps is a nucleophilic substitution (SN). I suppose that this is a SN1 reaction, with an intermediate carbocation, rather than a SN2 reaction. In m... | {} |
# Quantum correlation evolution of GHZ and $$W$$ W states under noisy channels using ameliorated measurement-induced disturbance
Quantum correlation evolution of GHZ and $$W$$ W states under noisy channels using... We study quantum correlation of Greenberger–Horne–Zeilinger (GHZ) and W states under various noisy chann... | {} |
Solving puzzles of GW150914 by primordial black holes
@article{Blinnikov2016SolvingPO,
title={Solving puzzles of GW150914 by primordial black holes},
author={Sergey Blinnikov and Alexander Dolgov and Nataliya K. Porayko and Konstantin A Postnov},
journal={Journal of Cosmology and Astroparticle Physics},
year={2016},
v... | {} |
What is the resistivity of solid non-metallic hydrogen?
If I were to use solid hydrogen (assuming temperature of 10K, pressure 1 atm) as a resistor of sorts, what would it's resistivity be?
(Note: If someone can give me a good resource on info like this for most of the elements, that would be very welcome).
• There ... | {} |
# How do you change a standard form equation into slope-intercept form for 2x+4y=17?
By simply rearranging your equation to isolate $y$:
getting: $y = - \frac{2}{4} x + \frac{17}{4}$ I took $2 x$ to the right (changing sign) and divided everything by the coeficiente of $y$;
$y = - \frac{1}{2} x + \frac{17}{4}$
slope=$... | {} |
# The On-Line Encyclopedia of Integer Sequences
@article{Sloane1994TheOE,
title={The On-Line Encyclopedia of Integer Sequences},
author={N. J. A. Sloane},
journal={Electron. J. Comb.},
year={1994},
volume={1}
}
• N. Sloane
• Published 24 December 2003
• Computer Science
• Electron. J. Comb.
The On-Line Encyclopedia of... | {} |
Fall 2016, problem 24
The Fibonacci sequence is defined by $a_1=a_2=1$ and $a_{k+2}=a_{k+1}+a_k$ for $k\in\mathbb N.$ Show that for any natural number $m$, there exists an index $k$ such that $a_k^4-a_k-2$ is divisible by $m$.
2 years ago
${x^4} - x - 2 = \left( {x + 1} \right)\left( {{x^3} - {x^2} + x - 2} \right)$... | {} |
 An ice piece floats in a glass of water. How does the level change when whole of ice melts? from Physics Mechanical Properties of Fluids Class 11 Manipur Board
Chapter Chosen
Mechanical Properties of Fluids
Physics Part II
Book Store
Currently only available for.
CBSE Gujarat Board Haryana Board
Previous Year... | {} |
# Latex Book Template
We would never take your Ethz Latex Thesis Template money if we feel that we cannot do your work. com) License: CC BY-NC-SA 3. A Short LaTeX Example A Simple LaTeX Template A Full Paper Example Other LaTeX Packages The Long "howto" LaTeX Template Useful Bibliography Files The "dup" program Prog2... | {} |
Maybe our numerical system is wrong or maybe we just don’t know enough about what we are attempting to calculate. Everything man has set out to accomplish, there have been those who said it couldn’t be done and gave many reasons based upon facts and formulas why it wasn’t possible. Needless to say, none of the ‘nay say... | {} |
# American Institute of Mathematical Sciences
April 2018, 15(2): 361-392. doi: 10.3934/mbe.2018016
## A multiscale model for heterogeneous tumor spheroid in vitro
Department of Mathematical Sciences, Georgia Southern University, Statesboro, GA, 30460, USA
* Corresponding author: Zhan Chen (zchen@georgiasouthern.e... | {} |
# Heavy Elements in Stars
@article{Boothroyd2006HeavyEI,
title={Heavy Elements in Stars},
author={A. Boothroyd},
journal={Science},
year={2006},
volume={314},
pages={1690 - 1691}
}
Abundances of elements produced in stars four to eight times the mass of the Sun indicate a different dominant nuclear reaction mechanism ... | {} |
dc.contributor.author Morris, Sarah dc.date.accessioned 2021-03-12T17:38:19Z dc.date.issued 2020-08 dc.identifier.other Morris_cornellgrad_0058F_12194 dc.identifier.other http://dissertations.umi.com/cornellgrad:12194 dc.identifier.uri https://hdl.handle.net/1813/102882 dc.description 175 pages dc.description.abstract ... | {} |
We’re delighted to announce the introduction of LaTeX to Edublogs.
The plugin, released by Patrick Chia, allows you to simply post really really complex equations, like this one:
$latex i\hbar\frac{\partial}{\partial t}\left|\Psi(t)\right>=H\left|\Psi(t)\right>$
Just turn it on in your ‘Plugins’ area and enjoy.
Pro... | {} |
## A Near-Optimal Depth-Hierarchy Theorem for Small-Depth Multilinear Circuits
### Authors
Suryajith Chillara, Nutan Limaye and Srikanth Srinivasan
## Abstract
We study the size blow-up that is necessary to convert an algebraic circuit of product-depth $\Delta+1$ to one of product-depth $\Delta$ in the multilinear ... | {} |
## Annual percentage yield nominal rate
31 Aug 2019 The nominal interest rate is the interest rate before taking inflation into account, in contrast to real interest rates and effective interest rates. more.
As the effective interest rate is referred to as APY, annual percentage yield. Again , sometimes in finance, y... | {} |
# Overview¶
The FiPy framework includes terms for transient diffusion, convection and standard sources, enabling the solution of arbitrary combinations of coupled elliptic, hyperbolic and parabolic PDEs. Currently implemented models include phase field [1] [2] [3] treatments of polycrystalline, dendritic, and electroc... | {} |
# Charles C. Pugh
Charles Chapman Pugh (born 1940) is an American mathematician who researches dynamical systems. Pugh received his PhD under Philip Hartman of Johns Hopkins University in 1965, with the dissertation The Closing Lemma for Dimensions Two and Three.[1] He has since been a professor, now emeritus, at the ... | {} |
## Zentralblatt MATH
Publications of (and about) Paul Erdös
Zbl.No: 148.05402
Autor: Erdös, Pál
Title: Remarks on a theorem of Zygmund (In English)
Source: Proc. Lond. Math. Soc., III. Ser. 14 A, 81-85 (1965).
Review: We call a sequence of integers n1 < n2 < ··· a Zygmund sequence if whenever |ak| ––> 0, the pow... | {} |
### “Pariah Moonshine” Part I: The Happy Family and the Pariah Groups
Being a mathematician, I often get asked if I’m good at calculating tips. I’m not. In fact, mathematicians study lots of other things besides numbers. As most people know, if they stop to think about it, one of the other things mathematicians study ... | {} |
# Gyroscope Parallax Effect In Unity
I want to make a parallax effect in Unity 3D with gyroscope like the one on this site: http://matthew.wagerfield.com/parallax/
I found an asset, but it is too expensive.
So I need a script which I can set to the GameObject, so it would move depending phone's gyroscope.
## 2 Answ... | {} |
# Revision history [back]
### OpenCV (Java) : Draw a rectangle region on Camera View
I 'm trying to create a bank card scanner on android using OpenCV, first, I'm creating a region where the user can scan their cards then crop it after, I'm struggling with the rectangle region and place it on the center, Any suggesti... | {} |
# Which risks are associated with deriving multiple keys from the same DH secret Z?
NIST recommends Krawczyk's HMAC-based key derivation function (HKDF) in SP-800-56C (PDF). HKDF shall e.g. be used to create keys from shared secrets after Diffie Hellman key establishment.
NIST states in the same doc:
Each call to th... | {} |
# Existence of some special kind of isometry in R^n-1
1. Apr 24, 2012
### julypraise
1. The problem statement, all variables and given/known data
Is there a theorem that states the following?
Let $P= \{ P_{1}, . . . , P_{n} \}$ be the set of n distinct points in $\mathbb{R}^{n-1}$ and $P'= \{ P'_{1}, . . . , P'_{n}... | {} |
3D Self-Conditioned [A(v),B(v),C(v),D(v)]
Implement gain-scheduled state-space controller in self-conditioned form depending on two scheduling parameters
GNC/Control
Description
The 3D Self-Conditioned [A(v),B(v),C(v),D(v)] block implements a gain-scheduled state-space controller as defined by the equations
`$\beg... | {} |
open import 1Lab.Path.Groupoid
open import 1Lab.Univalence
open import 1Lab.Type.Dec
open import 1Lab.Equiv
open import 1Lab.Path
open import 1Lab.Type
open import Data.Int.Inductive
open import Data.Bool
open import Data.Bool
module 1Lab.HIT.S1 where
The Circle🔗
Since the “intended interpretation” of HoTT is in ... | {} |
# Proving postulate about a property fo spherical vectors
Assume we have $$X, Y$$ constant unit vectors of $$\mathbb{R}^3$$
I postulate that the maximum of the function:
$$(V \cdot X) (V \cdot Y)$$
I reached by the halfway vector between $$X,Y$$ i.e at the vector $$V_0 = slerp(X,Y, 0.5)$$
To try to prove it I trie... | {} |
# How do you solve -4=10(x+4)+3x?
$- 4 = 10 x + 40 + 3 x$
$- 4 - 40 = 13 x$
$- 44 = 13 x$
$x = - \frac{44}{13}$ | {} |
Top
# Viscosity Measurement
The viscosity measurement is important in many of the process that we get to see around us. Whether its food industry or medicine, the viscosity of raw materials has a direct effect on the final product quality. In case we are looking at the ceramic industries, the quality of the raw mater... | {} |
GMAT Question of the Day - Daily to your Mailbox; hard ones only
It is currently 14 Oct 2019, 02:09
### 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... | {} |
# Union of Subsets is Subset/Proof 2
## Theorem
Let $S_1$, $S_2$, and $T$ be sets.
Let $S_1$ and $S_2$ both be subsets of $T$.
Then:
$S_1 \cup S_2 \subseteq T$
That is:
$\paren {S_1 \subseteq T} \land \paren {S_2 \subseteq T} \implies \paren {S_1 \cup S_2} \subseteq T$
## Proof
Let $x \in S_1 \cup S_2$.
By th... | {} |
Let the Scry Fall
Today’s project is collages! No scissors and glue, but we’ve got the next best things: REST APIs and the Python Image Library. Specifically, we’ll be accessing card illustrations via the shiny new(ish) Scryfall API, working a bit of magic on them, then stitching them together.
This is all based on s... | {} |
+1 vote
183 views
I have a datagridview in c# with rows , i need to bring the item which is select from combobox ..If value of combobox matches with datagridview particular cell then it should come at first.
How to achieve the same in C#.net forms app ?
Category
asked Jul 23, 2016 | 183 views
+1 vote
Below im sear... | {} |
Bisexual Dating online
# 3 day-rule relationships t in the last component, Relationships in Categorical information
3 day-rule relationships t in the last component, Relationships in Categorical information
Independence and Conditional Possibility
Recollection thaith Intro to chance, we launched the notion of the c... | {} |
# 2.2: Natural Numbers. Induction
The element 1 was introduced in Axiom 4(b). Since addition is also assumed known, we can use it to define, step by step, the elements
$2=1+1,3=2+1,4=3+1, \text{ etc.}$
If this process is continued indefinitely, we obtain what is called the set $$N$$ of all natural elements in the ... | {} |
# Are all quadratic terms in gauge fields necessarily mass terms?
1. Feb 2, 2010
### QuantumSkippy
Can someone please help me out with mass terms in the general case for a lagrangian?
It is known that for n scalar fields, any quadratic in these fields will be a mass term.
For classical fields $$\varphi_{j}$$ with t... | {} |
# What is a file?
I recently had a student in my Intro to CS class ask me: what is a file? I can't honestly say I had a good answer for him. Those of us who have been around a while know what a file is, but I was at a bit of a loss to explain it to a novice.
Today's students believe (and rightfully so) that a file is... | {} |
# Square root
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### Approximating a Square Root Without a Calculator
In mathematics, a square root of a number a is a number y such that y2 = a; in other words, a number y whose square (the result of multiplying the number by itself, or y⋅y) is a. For example, 4 and −4 are square roots of ... | {} |
A- A+
Alt. Display
# Compatibility between Physical Stimulus Size and Left-right Responses: Small is Left and Large is Right
## Abstract
According to a theory of magnitude (ATOM, Walsh, 2003, 2015), the cognitive representations of quantity, time, and space share a general magnitude code. Interestingly though, resea... | {} |
Finding players and targets of expression-regulating pathways
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Entering edit mode
10 months ago
Tobi ▴ 10
I am currently working on a project involving using pathways to group genes. However, I am quite new to the field, so I have a some (beginner) questions concerning the biology and available databases.
A) I hav... | {} |
# Fluctuation-dissipation theorem in the Keldysh formalism
In Kamenev's book Field Theory of Non-Equilibrium Systems (he also has lecture notes online here, which contains the relevant statement on pg. 17), he states that the following equation $$G^K(\epsilon) = \coth\left(\frac{\epsilon-\mu}{2T}\right) \left[G^R(\eps... | {} |
#### Volume 18, issue 3 (2018)
Recent Issues
The Journal About the Journal Subscriptions Editorial Board Editorial Interests Editorial Procedure Submission Guidelines Submission Page Ethics Statement Author Index To Appear ISSN (electronic): 1472-2739 ISSN (print): 1472-2747 Other MSP Journals
Thin position for knot... | {} |
# Prove that T(x,y)=(3x+y,2y,x-y) defines a linear transformation T:R^2 -> R^3.
Prove that $T\left(x,y\right)=\left(3x+y,2y,x-y\right)$ defines a linear transformation $T:{\mathbb{R}}^{2}\to {\mathbb{R}}^{3}$. Give the full and correct answer.
You can still ask an expert for help
• Questions are typically answered i... | {} |
# Kalman recursion
1. Aug 16, 2008
### mr.t
As this is concerning signal processing i guess this is the right place to post the question. Im Trying to learn how to use kalman filters. Ive reached some form of verry basic understanding of the state-space model but im still kindof confused. What im trying to do now is... | {} |
• ### What is your GameDev Story?
#### Archived
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# Question Or Two
This topic is 6578 days old which is more than the 365 day threshold we allow for new replies. Please post a new topic.
## Recommended Posts
I''m making a game and want to add sound effec... | {} |
# chronoMPL
From ape v4.1
0th
Percentile
##### Molecular Dating With Mean Path Lengths
This function estimates the node ages of a tree using the mean path lengths method of Britton et al. (2002). The branch lengths of the input tree are interpreted as (mean) numbers of substitutions.
Keywords
models
##### Usage
ch... | {} |
# [rwt_moveit] datatype/md5sum error
Hello everyone,
I'm trying to use rwt_moveit package alongside with cyton_gamma_300 moveit package on ROS Melodic. I can visualize the robot and the markers on the web page, but as soon I launch the /moveit_publisher node I get this error:
Client [/moveit_publisher] wants topic /... | {} |
# Graded global sections of Proj(S) for S a polynomial ring and more general
Throughout, suppose $$S$$ is a graded ring which is finitely generated by $$S_{1}$$ and an $$S_{0}$$-algebra. Let $$X = \text{Proj} S$$. There is the usual associated graded module given by $$\Gamma_{\bullet}(\mathcal{O}_{X}) = \bigoplus_{d \... | {} |
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