text stringlengths 100 957k | meta stringclasses 1
value |
|---|---|
If you're seeing this message, it means we're having trouble loading external resources on our website.
If you're behind a web filter, please make sure that the domains *.kastatic.org and *.kasandbox.org are unblocked.
# Dividing rational expressions: unknown expression
Sal finds the polynomial D for which (20y²-80)... | {} |
# B Pressure of Bose-Einstein condensate
1. Jun 18, 2017
### SlowThinker
I was wondering, if cooled sodium or rubidium atoms behave as bosons, can they also occupy the same space?
I tried to google a bit, but as usual, articles throw letters like $\beta$, $s$, $\lambda$, $g$ around without bothering to at least giv... | {} |
# Any mistakes in the following Java program in solving this task from ACM Timus [closed]
The problem description is from ACM Timus Online Judge. (1930. Ivan's Car)
My first idea is using BFS. But it keeps getting Wrong Answer at Test 6. Any hints to solve this? The following is my Java code.
import java.io.*;
impor... | {} |
# Is [7]сirculene aromatic or anti-aromatic?
This compound is called [7]circulene and is one of the examples of non-planar aromatic systems (1). From the first overview of this compound, it is observed that there are 7 benzene rings so one would conclude that it is an aromatic compound:
There are $7 \times 4 = 28$ $\... | {} |
"The fish trap exists because of the fish; once you've gotten the fish, you can forget the trap. The rabbit snare exists because of the rabbit; once you've gotten the rabbit, you can forget the snare. Words exist because of meaning; once you've gotten the meaning, you can forget the words. Where can I find a man who ha... | {} |
# What happens to the carbon in carbon steel when it rusts?
Carbon steel is iron containing some carbon in various forms of iron carbide.
When it rusts (oxidises), the iron becomes part of all kinds of crystalline and amorphous iron oxides and hydroxides, mostly as Fe3+.
Where does the carbon go in this process? Doe... | {} |
Symbol
Problem
a $34\times 30=$ b Add the product of 5 and 5 to $275.$ $c$ $c91\times 101=$ $-$ $1$ d $-5000=15000$ e $+9000=18864$ f How many times $50$ $is$ $2,5002$ g $5000\div 50=$ h $1200$ $eggs=$ dozen eggs i How many $6sin$ $6,6667$ $58350-6000=$ $k97+39=$ | {} |
# Sterile neutrino search at the ILL nuclear reactor: the STEREO experiment
Abstract : Search for a light sterile neutrino is currently a hot topic of neutrino physics, arising from the so-called gallium and reactor anomalies, in which a deficit of neutrinos was observed with respect to expectations. Such anomalies co... | {} |
## Algebra 1
$x=4500$
Since 1500 is one-third of the budget, you must multiply it by three to find the amount of the entire budget. $x=1500\times3$ When you multiply these, you get: $x=4500$ Therefore, the full budget is 4500. An alternate way to do this is to Cross-Multiply. $\frac{1500}{x}=\frac{1}{3}$ The first ste... | {} |
## College Algebra (6th Edition)
$6x^2+61xy+63y^2$
$$(x+9y)(6x+7y)$$ To multiply two binomials (expressions with two terms) multiply each term in the first binomial by each term in the second binomial: $$=(x\times 6x)+(x\times 7y)+(9y\times 6x)+(9y\times 7y)$$ $$=6x^2+7xy+54xy+63y^2$$ Combine like terms: $$=6x^2+61xy+... | {} |
# A square plate O - P - Q - R of a linear elastic material with sides 1.0 m is loaded in a state of plane stress. under a given stress condition, the plate deforms to a new configuration O - P' - Q' - R' as shown in the figure (not to scale). Under the given deformation, the edges of the plate remain straight.The hori... | {} |
# Science
Science
The four basic reaction types can be outlined as follows: Synthesis Reaction:A + B -> ABDecomposition Reaction:AB -> A + B Note that the synthesis and decomposition reactions are exact...
Latest answer posted January 30, 2012 3:59 am UTC
Science
Hello! The speed is the distance travelled divided ... | {} |
Issue No. 03 - March (2018 vol. 29)
ISSN: 1045-9219
pp: 659-672
Fuad Jamour , King Abdullah University of Science and Technology (KAUST), Thuwal, Saudi Arabia
Spiros Skiadopoulos , University of the Peloponnese, Tripoli, Greece
Panos Kalnis , King Abdullah University of Science and Technology (KAUST), Thuwal, Saudi Ara... | {} |
i have this funny feeling that the answer is right in front of my face i just cant see it and it is begining to bug me.
so i have tried over and over again to do this problem but it is supposed to end up with an answer without a square root sign or a fraction. but it is supposed to have the i sign in it? i am so lost
... | {} |
# Learning How Electronic Parts Work
## Introduction
A few years ago, I gave a lunch time talk on Mathcad to my hardware engineers. During the talk, one of the engineers mentioned that he starts a Mathcad worksheet when he is reading a part datasheet. While he is reading the datasheet, he works on developing a mathem... | {} |
datatable.Frame.cbind()¶
cbind
(
,
force=False
)
Append columns of one or more frames to the current Frame.
For example, if the current frame has n columns, and you are appending another frame with k columns, then after this method succeeds, the current frame will have n + k columns. Thus, this method is roughly equ... | {} |
# Consider the 4-by-4 matrix <mi mathvariant="bold-italic">M = <mi mathvariant="bold-i
Consider the 4-by-4 matrix $\mathbit{M}={\mathbit{M}}_{0}+{\mathbit{M}}_{1}$, where
${\mathbit{M}}_{0}=\alpha \left(\begin{array}{cccc}1& 0& 0& 0\\ 0& 1& 0& 0\\ 0& 0& -1& 0\\ 0& 0& 0& -1\end{array}\right)$ and ${\mathbit{M}}_{1}=\be... | {} |
I am a researcher in a field that moves fast. It is hard to overstate how new everything in machine learning is; to paraphrase a famous quote, a DL researcher in 2022 time traveling back to 2012 is Prometheus bringing fire to mankind.
• the best way to know what happens;
• the best way to show other people what I’m do... | {} |
## Trigonometry (11th Edition) Clone
$$\frac{1-\sin\theta}{1+\sin\theta}=\sec^2\theta-2\sec\theta\tan\theta+\tan^2\theta$$ The trigonometric expression is an identity.
$$\frac{1-\sin\theta}{1+\sin\theta}=\sec^2\theta-2\sec\theta\tan\theta+\tan^2\theta$$ We would deal with the right side first. $$A=\sec^2\theta-2\sec\t... | {} |
# What is the Precise Heuristic Argument that Leads to Noether's Theorem
1. ### liorde
15
Hi,
I'm confused about the exact interpretation of Noether's theorem for fields. I find that the statement of the theorem and its proof are not presented in a precise manner in books.
My main question is: what is the precise heu... | {} |
# Getting Started
### Global Search and Replace
To search and replace in all topics or publications, select the Replace tab in the Advanced Search view.
### Note
Global search and replace is a very powerful feature, and you should follow these steps carefully and check all search results.
1. Type the text string y... | {} |
# How to install LaTeX .zip package (from CTAN) using texhash on a 'nix system?
Is there an automated script which places files in the relevant directory tree in ~/texmf/ and is that all that is required to install a package (in addition to calling texhash on ~/texmf/)?
#### Solutions Collecting From Web of "How to i... | {} |
# Question #d4c38
Dec 12, 2017
$\ln \frac{x}{\ln} \left(7\right) = {\ln}_{7} x$
#### Explanation:
If function f(x) has inverse g(x), then f(g(x)) = x.
${\ln}_{7} \left({7}^{x}\right) = x$. By the change of base rule, this transforms to $\ln \frac{x}{\ln} \left(7\right)$
These exponentiation ones can be tough, so ... | {} |
## Michal Koucký ; Vojtěch Rödl ; Navid Talebanfard - A Separator Theorem for Hypergraphs and a CSP-SAT Algorithm
lmcs:7484 - Logical Methods in Computer Science, December 13, 2021, Volume 17, Issue 4 - https://doi.org/10.46298/lmcs-17(4:17)2021
A Separator Theorem for Hypergraphs and a CSP-SAT Algorithm
Authors: Mic... | {} |
# How should we treat questions that implicitly ask for making a question clear?
Motivated by:
Curve resemblance to Closest Shape - Question on Hold - Advice for clarification needed
The question has two parts - "is there a way to define closeness of geometric objects?" - which is the kind of question that mathemati... | {} |
# All Questions
36 views
### Econometrics - Granger Causality
Suppose we have two time series, if one has autocorrelations and the other is non stationary how do we test whether they Granger cause a returns series?
80 views
### Volatility tools / web sites?
Could someone give recommendations regarding volatility t... | {} |
dc.contributor.author Lizama, C. dc.contributor.author Murillo-Arcila, M. dc.date.accessioned 2017-06-08T15:06:01Z dc.date.available 2017-06-08T15:06:01Z dc.date.issued 2017-05-01 dc.identifier.issn 0022-0396 dc.identifier.uri http://hdl.handle.net/20.500.11824/682 dc.description.abstract In this paper, we are presenti... | {} |
# Lesson 9
Order Decimals
## Warm-up: True or False: Decimal Inequalities (10 minutes)
### Narrative
The purpose of this True or False is for students to demonstrate strategies and understandings they have for comparing decimals. These understandings will be valuable when students order decimals later in this lesso... | {} |
# S.A hydraulic lift is lifting a car that weighs 14 kN. The area of the piston...
###### Question:
S.A hydraulic lift is lifting a car that weighs 14 kN. The area of the piston supporting the car is A, the area of the other piston is A, and the ratio A/A, is 108.5. How far must the small piston be pushed down to rai... | {} |
# 아세트알데히드 제거를 위한 Mn-Cu 금속촉매 실용화에 관한 연구
• Accepted : 2012.09.14
• Published : 2012.09.30
• 36 10
#### Abstract
Because sensing odor varies depending on each person, even if the odor is released in line with the legal emission permission concentration levels, it can still become a social issue if a civil complaint is ... | {} |
main-content
## Swipe om te navigeren naar een ander artikel
01-03-2015 | Original Paper | Uitgave 3/2015 Open Access
# A Cross-Sectional Cohort Study of a Large, Statewide Medicaid Home and Community-Based Services Autism Waiver Program
Tijdschrift:
Journal of Autism and Developmental Disorders > Uitgave 3/2015
Au... | {} |
# 9.3. Reaction-Diffusion¶
Now let’s add a second chemical. We will define a new object, ReactionDiffusion, that contains two arrays, one for each chemical:
class ReactionDiffusion(Cell2D):
def __init__(self, n, m, params, noise=0.1):
self.params = params
self.array = np.ones((n, m), dtype=float)
self.array2 = nois... | {} |
# Sergei Yakovenko's blog: on Math and Teaching
## Functions of two variables and their derivation. Application to the study of planar curves.
The idea of linear approximation (and differentiability) can be easily adopted for functions of more than one variable. Apart from the usual (scalar) functions $f:\mathbb R^1\... | {} |
20 Oct 2021
Research
# Generating whole-processor entanglement on 27- and 65-qubit quantum systems
Two recently published research papers detail the generation of a 27-qubit genuine multipartite entangled state and, separately, the generation of a 65-qubit bipartite entangled state. These results with IBM Quantum pro... | {} |
Polynomial Regression from data points
I'm trying to achieve polynomial regression using data points and spreadsheets, and I'm looking for shortcuts, I'm not interested in using the curve fit function
I found this cool pattern and want to simplify it.
I can do it for the 1st and 2nd order (ax + b), (ax² + bx + c) an... | {} |
# What is the derivative of this function (cos x) / (1-sinx)?
Oct 22, 2017
$\sec x \left(\sec x + \tan x\right) .$
#### Explanation:
Let, $y = \cos \frac{x}{1 - \sin x} .$
$\therefore y = \cos \frac{x}{1 - \sin x} \times \frac{1 + \sin x}{1 + \sin x} ,$
$= \frac{\cos x \left(1 + \sin x\right)}{1 - {\sin}^{2} x} =... | {} |
# Homework Help: I cant understand the meaning of this root
1. Jun 15, 2009
### transgalactic
http://i42.tinypic.com/2yju26p.gif
i know that the root supposed to be a distance
but i cant see the distance from where to where??
the charges are not a single point
i dont know how they calculate this distance
??
2. ... | {} |
#### This section tells you how to sort your load order. It contains rules for sorting your load order, an example load order, and an automatic load order checker at the bottom of the page!
Sorting your load order correctly is very important! Do not skip this step, and read the sorting rules below carefully.
LOOT is ... | {} |
## Stats
let P(X)= .55 and P(Y)= .35. Assume the probability that they both occur is .20. What is the probability of either X or Y occuring? | {} |
# Paper repro: “Learning to Learn by Gradient Descent by Gradient Descent”
Published:
This is a reproduction of the paper “Learning to Learn by Gradient Descent by Gradient Descent”.
Learning to learn is a very exciting topic for a host of reasons, not least of which is the fact that we know that the type of backpro... | {} |
# Definition of Elementary Particle
Tags:
1. Jun 5, 2015
### msumm21
Just wondering if there's a precise definition of what it means to be an elementary particle. I had assumed it was related to not being able to convert it into multiple "smaller" things, but then a photon is called elementary when it can be convert... | {} |
## Racing LoungeBest practices and teamwork for student competitions
### This is machine translation
Translated by
Mouseover text to see original. Click the button below to return to the English version of the page.
# Machine Learning to the Rescue!2
Posted by Christoph Hahn,
MathWorks was recently at RoboCup 2018... | {} |
# Make a table for a function that varies depending on the argument ranges
I would like to create a Table for the value of a function $$f(x,y)$$, the form of which changes depending on the ranges of $$x$$ and $$y$$. For instance, $$f=x+y$$ for $$x\in [1,2]$$ and $$y\in [0,1]$$ while $$f=x-y$$ for $$x\in [2,3]$$ and $$... | {} |
# Article
Full entry | PDF (0.2 MB)
Keywords:
preordered sets; Galois connections (residuated mappings); supremum properties
Summary:
In a former paper, motivated by a recent theory of relators (families of relations), we have investigated increasingly regular and normal functions of one preordered set into another ... | {} |
# Refusing to Code Golf
Posted on February 6, 2014 by Brian Jaress
Tags: code, python
I’ve found a new way to keep programming fun: refusing to code golf.
I’ve never cared for code golfing (writing a program in as few characters as you can). It seems similar to writing a novel without the letter “E.” It can be impre... | {} |
# Apply Opaque blend mode to all object at once
I'm using Blender 2.8, I don't know how to apply blend mode opaque to all object, which I got from another source.
Since it has so many object it's kinda tiring to apply it one by one. I've tried to select all objects in the viewport and/or in the outline (layer) and tr... | {} |
College Physics
# 27.6Limits of Resolution: The Rayleigh Criterion
College Physics27.6 Limits of Resolution: The Rayleigh Criterion
Light diffracts as it moves through space, bending around obstacles, interfering constructively and destructively. While this can be used as a spectroscopic tool—a diffraction grating d... | {} |
# e^x=x
## Recommended Posts
e^x=x
Anybody got a solution for this?
I'll post the solution later, unless someone comes up with a better one and some sort of proof for it.
##### Share on other sites
Can I use the log sign>?kidding
##### Share on other sites
The problem is to find the real zeros of a nonlinear fu... | {} |
In software development, more (developers) isn’t always more.
In part 1 of “The Developer Productivity Manifesto,” I argued that developer productivity, measured in terms of new software, falls over time as low-hanging fruit is picked and new ideas become harder to find.
An understandable response would be — why not ... | {} |
# In how many ways can $3$ balls be tossed into $3$ boxes?
$3$ balls are tossed into $3$ boxes. In how many ways can that be done? Well, I did in the following way.
We have $5$ objects: $3$ balls and $2$ walls of boxes. So a configuration, for example:
00|0|
meaning : $2$ balls are in the left box, one ball is in t... | {} |
# When did Fubini's name get applied to the theorem without measures?
Fubini's theorem, from 1907, expresses integration with respect to a product measure in terms of iterated integrals. The simpler version of this theorem for multiple Riemann integrals was used long before Fubini was around and of course was not know... | {} |
# All Questions
64,752 questions
Filter by
Sorted by
Tagged with
147 views
95 views
### Why doesn't DeleteDuplicates do what I want
First off. I am not a mathematician I am a linguist, a syntactician who is trying to say something about semantics, which in the case at hand can be largely understood to reduce to set... | {} |
# How to avoid repetition of phrases and words, and how to ensure work is grammatically sound?
^ was my first question.
I am 10 chapters into editing the book and I'm finding myself a loss of words to describe certain events and situations.
The book is spiritual in nature and most chapters have vivid descriptions of ... | {} |
## Description
Given n non-negative integers a1, a2, …, an , where each represents a point at coordinate (i, ai). n vertical lines are drawn such that the two endpoints of line i is at (i, ai) and (i, 0). Find two lines, which together with x-axis forms a container, such that the container contains the most water.
No... | {} |
Vol. 2, No. 1, 2007
Recent Issues
The Journal Cover Editorial Board Research Statement Scientific Advantage Submission Guidelines Submission Form Subscriptions Author Index To Appear ISSN: 1559-3959
The flexibility of functionally graded material plates subjected to uniform loads
Yen-Ling Chung and Wei-Ting Chen
V... | {} |
Hi Ana,
Testing out your code I get the following error
TypeError: unsupported operand type(s) for -: 'GenExpr' and 'GenExpr'
Note that the functions min_ and max_ are Constraint Helper Functions and should be used in conjunction with overloaded operators and Model.addConstr or Model.addConstrs.
A working example w... | {} |
# Is every basis for $\bigwedge^kV$ satisfying a “complementary” property a rescaling of a “standard” basis?
This question was inspired by this beautiful answer:
Let $$V$$ be a $$4$$-dimensional real vector space. Let $$\omega_{i_1,i_2}$$ ($$1 \le i_1 < \ldots < i_2 \le 4$$) be a basis for $$\bigwedge^2V$$, where eac... | {} |
# If every $\kappa$-complete filter can be extended to a $\aleph_1$-complete ultrafilter, then some $\lambda\le\kappa$ is measurable
I want to prove the following
We have $$\kappa$$ an infinite regular cardinal such that every $$\kappa$$-complete filter on $$\kappa$$ can be extended to an $$\omega_1$$-complete ultraf... | {} |
selRoulette {ecr} R Documentation
## Roulette-wheel / fitness-proportional selector.
### Description
The chance of an individual to get selected is proportional to its fitness, i.e., better individuals get a higher chance to take part in the reproduction process. Low-fitness individuals however, have a positive fitn... | {} |
# How to make a GnuCash custom report using MySQL
## How to make a GnuCash curtom reort using MySQL
### The downside of GnuCash
If GnuCash got one downside it is the report generation. But you can do your own custom reports using SQL and MySQL.
The GnuCash account screen
### GnuCash and the list of members
I am u... | {} |
# Code highlighting in ConTeXt
What is the best way to highlight code when using ConTeXt? I am aware of support for specific languages, as described on the ConTeXt wiki, but it seems rather limited at present. I know that we could also rely on vim, through the t-vim module.
Now, I wonder if there exists more automate... | {} |
# Commutative rings
HomePage | RecentChanges | Preferences
Difference (from revision 8 to current revision) (minor diff, author diff)
Changed: 7,10c7,10
Remark: Idl(R) = { all ideals of R}<\br> I is an ideal if a,b ∈ I ⇒ a + b ∈ I<\br> and ∀r ∈ R { r·I ⊆ I, I·r ⊆ I
Remark: Idl(R) = { all ideals of R} I is an id... | {} |
# Shelby Shelving is a small company that manufactures two types of shelves for grocery stores. Model.
Shelby Shelving is a small company that manufactures two types of shelves for grocery stores. Model S is the standard model, and model LX is a heavy-duty model. Shelves are manufactured in three major steps: stamping... | {} |
GMAT Question of the Day - Daily to your Mailbox; hard ones only
It is currently 19 Oct 2019, 18:00
### 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... | {} |
# Harmonic Mean Filter In Image Processing
It is useful for the set of positive discrete values. It can be used to calculate the fraction of the whole image containing such objects. These harmonic waves that are generated within the tissue, increase with depth to a point of maximum intensity and then decrease with fur... | {} |
# Weighted moving average derived from parabola approximation
Let us have five points at $$x = -2,-1,0,1,2$$ with ordinates equal to $$y_i$$, I want to derive the formula for $$a_0$$, such that the parabola $$y = a_0 + a_1x + a_2x^2$$ fits the points the best in ordinary least square sense.
$$(y_{-2}-a_0 +2a_1-4a_2)^... | {} |
# Spurious Quasi-Resonances in Boundary Integral Equations for the Helmholtz Transmission Problem
We consider the Helmholtz transmission problem with piecewise-constant material coefficients, and the standard associated direct boundary integral equations. For certain coefficients and geometries, the norms of the inver... | {} |
# Contact analysis (cryptanalysis)
Although in a sense contact analysis can be considered a type of frequency analysis, most discussions of frequency analysis concern themselves with the simple probabilities of the symbols in the text: $P(X_i=a)$ or $P(X_i=a \cap X_{i+1}=b)$
Contact analysis is based on the conditiona... | {} |
# How to use a conv2d layer after a flatten?
I am not familiar with Deep learning and Pytorch. And I want to know how to deal, in general with such a situation. So, I was wondering if I used a pretrained model (EfficientNet for example) if I want to change the _fc attribute and use conv2d in it, how can I recover a 2D... | {} |
# Trouble proving convergence.
1. Sep 17, 2007
### WHOAguitarninja
1. The problem statement, all variables and given/known data
Discuss the convergence of the following sequences at infinity.
a)$$\sqrt{n+1}$$-$$\sqrt{n}$$
b)$$\sqrt{n}$$($$\sqrt{n+1}$$-$$\sqrt{n}$$)
c)n($$\sqrt{n+1}$$-$$\sqrt{n}$$)
I've already sol... | {} |
# Why is statistics considered a different discipline than mathematics rather than as a branch of mathematics?
I see that all my understanding of statistics (& so of probability which is a branch of statistics) from high school came from the mathematics textbook and it all appears too mathematical to be accepted as a ... | {} |
# What are the patterns of the sequence of polynomials? [closed]
In my research, I obtained a sequence of polynomials (I am only able to compute the first 4 of them): \begin{align} & f(2) = 1+t, \\ & f(3) = 1+4t+3t^2, \\ & f(4) = 1+6t+12t^2+7t^3, \\ & f(5) = 1+8t+20t^2+28t^3+15t^4. \end{align} Is it possible to find t... | {} |
1. ## Evaluating this limit....
Question: Evaluate limx->pi/3 sqrt[sin(5x/2)]
So by using direct substitution that would become sqrt[sin(2.618)].
sin(2.618) = 0.5
limit = sqrt(0.5)
This just feels wrong. Did I do the process incorrectly?
Any help is appreciated!
2. I don't see anything wrong with it, other than cla... | {} |
#### Chapter 3 Inequalities in one Variable
Section 3.1 Inequalities and their Solution Sets
# 3.1.1 Introduction
##### Info 3.1.1
If two numbers are related by one of the comparators $\le$, $<$, $\ge$, or $>$, a statement is generated that can be true or false depending on the numbers:
• $a (reads: "$a$ is strictl... | {} |
# Interpolate Matrix(x)
Return interpolated matrix for given input
Libraries:
Aerospace Blockset / GNC / Control
## Description
The Interpolate Matrix(x) block interpolates a one-dimensional array of matrices. The block assumes a one-dimensional array as defined in Algorithms.
The matrix to be interpolated must be... | {} |
# prove $ab\in A$, if $A=\{x^3+y^3+z^3-3xyz\mid x,y,z\in \mathbb Z\}$, $a,b\in A$
let $$A=\{x^3+y^3+z^3-3xyz\mid x,y,z\in \mathbb {Z}\}$$, prove that:
if $$a,b\in A$$, then $$ab\in A$$,
I think we must find $$A,B,C$$ such $$A^3+B^3+C^3-3ABC=(a^3+b^3+c^3-3abc)(x^3+y^3+z^3-3xyz)$$ where $$A,B,C,a,b,c,x,y,z\in \mathbb ... | {} |
5
# If we flip coin three times, find the probability of getting greater than 2 tails?What is the probability experiment? Select an answerWhat is the event(s)? Select a...
## Question
###### If we flip coin three times, find the probability of getting greater than 2 tails?What is the probability experiment? Select a... | {} |
# Simple Recursion
Posted on 2014-05-07 by nbloomf
This post is literate Haskell; you can load the source into GHCi and play along.
{-# LANGUAGE NoImplicitPrelude, BangPatterns #-}
module SimpleRecursion
( simpleRec, _test_simplerec, main_simplerec
) where
import Testing
import Booleans
import Tuples
import Disjoin... | {} |
Paul's Online Notes
Home / Calculus III / 3-Dimensional Space / Cylindrical Coordinates
Show Mobile Notice Show All Notes Hide All Notes
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 i... | {} |
# [texhax] TeX query 5: \hsize and \settabs
Paul Stanley paulrichardstanley at gmail.com
Sun Dec 2 08:49:23 CET 2012
```Hi folks,
I've been playing with the `\settabs' macro and have made the
following observations (with a little help from a sighted friend):
* All columns are left-aligned by default.
* The `\settab... | {} |
# An element within a set within a set from a power set
Okay,
So I'm no Mathematician, but I do need some help. Is there any way to make a power set that contains a set containing a set containing some element? The form that I'm looking for is: $\{\{b\}\}$
Doing something like: $\mathcal{P}(\{b\})$ gives me: $\{\{\}... | {} |
Codeforces celebrates 10 years! We are pleased to announce the crowdfunding-campaign. Congratulate us by the link https://codeforces.com/10years. ×
tweety's blog
By tweety, history, 4 years ago, ,
I'm going to share with you some cool applications of matrix exponential that I learned recently.
Application 1: Counti... | {} |
# Recent content by badmephisto
1. ### [WR] Lucas Etter - 4.90 3x3 single!
I'm quite late to the party but big congrats! OLLCP - is this a new cool thing to do? I have to look into this :)
2. ### Badmephisto's algorithms iPhone app (free download!)
damn! I was afraid of that :D and yes the revenue was a few thousand... | {} |
# How to remotely execute a PS Script that resides on a remote server?
The log files were ending up in my profile somewhere, at least that’s what Search was turning up, although I couldn’t access them.
Changed the Out-File to specify the full path and it now works correctly from both local and remote.
So, back to ho... | {} |
Overview - Maple Help
The Window menu contains commands to arrange worksheets in the current Maple session.
•
•
•
•
•
• | {} |
##### What's Hot
The nonattractor evolution in ultra-slow-roll (USR) inflation results in the
amplification of superhorizon curvature perturbations and then induces a strong
and detectable stochastic gravitational wave background. In this letter, we
search for such a stochastic gravitational wave background in data fr... | {} |
Relation between entropy and internal energy
I am confused as to what is the relation between entropy and internal energy. Entropy is always presented as a measure of the randomness in a system. So when we supply heat to a well insulated system say ideal gas in a container with fixed boundary, the internal energy and ... | {} |
# Implementing "Options Object" Pattern using TypeScript and Joi
The Options Object pattern [1][2] is a technique in JavaScript for configuring a component using a single function parameter:
const client = createClient({
host: 'localhost',
port: 12345,
});
This approach has many benefits over . . .
December 10, 20... | {} |
# Math Help - Exam study guide help
1. ## Exam study guide help
For $H,K \leq G$ Set $H$~ $K$ when for some $g \in G, K = g^{-1} Hg$
Finish the Statement: "|[ $H$]_~| = 1 $\iff$ $H$ is...." and justify your answer
2. Originally Posted by ElieWiesel
For $H,K \leq G$ Set $H$~ $K$ when for some $g \in G, K = g^{-1} Hg... | {} |
# Edge Triggered One Shot Mode
The Edge Triggered One Shot modes start the timer on an edge from the external signal input, after the ON bit is set, and clear the ON bit when the timer matches the TxPR period value. The following edges will start the timer:
• Rising edge (MODE = ‘b01001)
• Falling edge (MODE = ‘b0101... | {} |
15
Spaces and Moduli Spaces of Riemannian Metrics with Curvature Bounds on compact and non-compact Manifolds
The project concentrates on three major issues.
1. The space of positive scalar curvature metrics. Let $$M$$ be a non-compact connected spin manifold admitting a complete metric of uniformly positive scalar c... | {} |
# Refractive Index of material of a Prism (i-D curve method)
### Refractive Index of material of a Prism (i-D curve method)
AIM: To determine refractive index of the material of the given prism by the method of i-d curve.
APPARATUS:i)Drawing board ii)Prism iii)Drawing pins iv)Needle point steel pins v) Drawing sheet... | {} |
# Math Help - Factoring
1. ## Factoring
Ok, the question we got was to identify and explain one critical error in the factoring example.
this is the example:
X=X
X Exponent 2 = X Exponent 2
X Exponent 2 - X Exponent 2 = X Exponent 2 - X Exponent 2
X(X - X) = (X + X) (X - X)
X(X - X) = (X + X) (X - X)
-------- -... | {} |
# Akka Stream
## Source ~> Flow ~> Sink
Posted by Fabio Fumarola on May 6, 2016
# Akka Stream Concepts: Source ~> Flow ~> Sink
## Reactive Stream vs Akka Stream
The first time I approached AkkaStream I found it hard to handle in contrast to Reactive Extensions and other Reactive Stream implementations. On one side... | {} |
# model checking
(redirected from Symbolic model verification)
## model checking
(theory, algorithm, testing)
To algorithmically check whether a program (the model) satisfies a specification.
The model is usually expressed as a directed graph consisting of nodes (or vertices) and edges. A set of atomic propositions... | {} |
# Getting started
Jump to: navigation, search
Tip: Coloured words indicate links to another page, source or document. If you right click (or control click for Mac users) on any coloured words, then open the links in a new tab this makes it easier to move between the pages. | {} |
# Upper-Confidence Bound for Frequency Selection in IoT Networks with Retransmissions
## Abstract
Internet of Things (IoT) and in particular Low Power Wide Area (LPWA) technologies are being developed to enable long-range Machine-to-Machine (M2M) communications. It is considered a main driver for a vast variety of ap... | {} |
Home » Complex Analysis » Elliptic functions, part II
# Elliptic functions, part II
This post is a continuation of my previous post about elliptic functions.
We showed that the ${\wp}$ function which is ${\Omega}$-invariant satisfies the differential equation
$\displaystyle f'(z)^2=4f(z)^3-g_2f(z)-g_3.$
where the ... | {} |
# ACT Math : Percentage
## Example Questions
### Example Question #11 : How To Find The Sale Price
A dress is priced at $375 and a pair of shoes are$150. If they are both on sale for 30% off, what is price of purchasing them both on sale?
$367.50$393.75
$281.50$157.50
$525.50 Correct answer:$367.50
Explanation:... | {} |
You’d think of something, ask your friends, and they would be like “Gosh, I don’t know” and then you’d be like “Oh, well, guess that’s a thing I’ll never know” and then everyone just proceeds with their fucking day.
So $$n! \neq m^k$$ for integers $$n, m, k > 1$$ because by Bertrand's postulate there's a prime between... | {} |
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.