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# 3D gift wrapping algorithm: how to find the first face in the convex hull?
I am implementing the gift wrapping algorithm to find the convex hull of a set of points in the 3D space.
However, all the articles I have read seem to omit the description of the first step of the algorithm; namely, finding a face (that is,... | {} |
# Weathering: Definition, Types & Factors Affecting It
0
Save
Weathering is the breakdown or dissolution of minerals and rocks on the Earth’s surface. Weathering agents include water, ice, acids, minerals, plants, animals, and temperature fluctuations. It is a long and steady process that has been going on for thous... | {} |
# Prerequisites for Real Time propagation with Yambo
## Introduction
The real-time response using the equation of motion for the density matrix is obtained via the yambo_rt and ypp_rt excutables.
The real-time response using the Time-Dependent Schroedinger Equation (TDSE) is obtained via the yambo_nl and ypp_nl excut... | {} |
Balancing a hammer
Main Question or Discussion Point
this is not a home work question k i know that it is easier to balance a hammer by having your finger touching the handle and the claw part of the hammer away from the earth
but how can we explain this with the laws of physics i know it has something to do with cen... | {} |
# How do you find the roots, real and imaginary, of y=-x^2+5x-(x-3)^2 using the quadratic formula?
Apr 25, 2018
$x = 1 \mathmr{and} 4.5$
#### Explanation:
First, we expand $- {\left(x - 3\right)}^{2}$ to get $- \left({x}^{2} - 6 x + 9\right) = - {x}^{2} + 6 x - 9$
$y = - {x}^{2} + 5 x - {x}^{2} + 6 x - 9 = - 2 {x... | {} |
Installing wgrib2 on Mac OS X
Dec 16, 2015 · 188 words · 1 minute read grib • wgrib2
GRidded Binary (GRIB) is a file format used to store meteorological and oceanographic data such as precipitation and temperature. Forecast and analysis datasets distributed by government meteorological agencies, such as NOAA, are oft... | {} |
# What would an ammonium sulfide fire look like?
I am writing a novel and the climax involves killing my protagonist in an explosion. My science knowledge is poor but I believe my scenario is entirely plausible except possibly a couple of details.
My character is in a small, poorly ventilated room. It has an equipmen... | {} |
# Network analysis: Formal definition of the number of 1st order neighbours of degree 1
I am looking for a formal definition of a network metric I am using in a scientific article. Let $$i$$ be a vertex in a graph $$G$$ and $$N(i)$$ are the first order neighbors of vertex $$i$$. I am interested in the number of 1st or... | {} |
# Equation practice with congruent angles
### Problem
Below are two parallel lines with a third line intersecting them.
Solve for x:
x, equals
degree
Get first 4 correct, or 5 in a row. | {} |
# Basic usage
## Motivation and purpose
This package was born as a collaboration between a physicist and an experimental biologist. Everything started when our department bought a fancy device for tracking the positions of a small organism on a Petri dish.
Long story short, the device captured several images per sec... | {} |
# Trains Meeting!
Algebra Level 2
Two stations A and B are $110~ km$ apart on a straight line. One train starts from A at $8:00$ AM and travels towards $B$ at $40~ km/h$. Another train starts from B at $10:00$ AM and travels towards $A$ at $50~ km/h$. At what time will the both trains meet?
• Assume that both the tr... | {} |
Quiz
This discussion has been locked because a year has elapsed since the last post. Please start a new discussion topic.
I have made the change in the /gift/format.php file. Then when I go in and check a question, the case sensitivity drop down still says "NO, case is unimportant." Does this mean it is not working... | {} |
# Effect of friction on the tension acting on the string
Tags:
1. Oct 1, 2016
### decentfellow
1. The problem statement, all variables and given/known data
A weightless string passes through a slit over a pulley. The slit offers frictional force '$f$' to the string. the string carries two weights having masses $m_1$... | {} |
# How to find the solutions $x$ of $2\sin{11^{\circ}}\sin{71^{\circ}}\sin{(x^{\circ}+30^{\circ})}=\sin{2013^{\circ}}\sin{210^{\circ}}$
Let $$2\sin{11^{\circ}}\sin{71^{\circ}}\sin{(x^{\circ}+30^{\circ})}=\sin{2013^{\circ}}\sin{210^{\circ}}$$ where $90^{\circ}<x<180^{\circ}$.
My idea: $$2\sin{11^{\circ}}\sin{71^{\circ}... | {} |
# zbMATH — the first resource for mathematics
Historical developments of computing of the inhomogeneous Dirichlet problem in bidimensional or multidimensional domains. (English) Zbl 1391.35004
Summary: We present the question of solving and computing nonhomogeneous Dirichlet problems in domains in $$\mathbb R^2$$ or $... | {} |
# Find the smallest number which when divided by 18,12,24 leaves a remainder of 16,10 and 22 respectively
LCM of 18, 12, 24 = 72
= 72 + 2
= 74
therefore, T
• -1
L.C.M of 18, 12, 24 = 72
72 is completely divisible by 18,12, 24.
so, minus the remainder from the numbers and the answer is two. So, if we wil add 2 t... | {} |
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# Video tutorials - Operations on Matrices > Multiplication of Matrices Mathematics CBSE (Arts)
ConceptOperations on Matrices Multiplication of Matrices
1
0%
### Description
Non-commutativity of multiplication of matrices, Zero matrix as the product of two non zero matrices
S | {} |
# Properties
Label 114.2.e.b Level $114$ Weight $2$ Character orbit 114.e Analytic conductor $0.910$ Analytic rank $0$ Dimension $2$ CM no Inner twists $2$
# Related objects
## Newspace parameters
Level: $$N$$ $$=$$ $$114 = 2 \cdot 3 \cdot 19$$ Weight: $$k$$ $$=$$ $$2$$ Character orbit: $$[\chi]$$ $$=$$ 114.e (of... | {} |
1. ## Recursive relation
Find a recursive relation for the number of distinct ordered pairs (a,b) of non-negative integers satisfying 2a+5b=100.
Okay, so I took an entirely different approach to this question using generating functions unlike my book. However I am stuck at the end. Any assistance to finish it off wou... | {} |
• Category: pwn
• Points: 200
## Write-up
You can do two things:
1. Sign a command
2. Execute a signed command
Welcome to Secure Signed Shell
1) sign command
2) execute command
>_ 1
what command do you want to sign?
>_ ls
signature:
0fcc9e22ff4cec3f5afbaf5906dba086
So we can see that the challenge signs with md5 b... | {} |
# Article
Full entry | PDF (0.2 MB)
Keywords:
Sobolev spaces; change of variables; area formula; Hölder continuity
Summary:
Let \$f\$ be a mapping in the Sobolev space \$W^{1,n}(\Omega,\bold R^n)\$. Then the change of variables, or area formula holds for \$f\$ provided removing from counting into the multiplicity fu... | {} |
# MPC Seminar
This is the homepage of the Chapman University Mathematics, Physics, and Computation Seminars (MPC Seminar)
Seminar Organizers: Roman Buniy and Peter Jipsen
## Spring 2020
The seminar talks are held in Keck Center for Science and Engineering, KC 370 (Center St. Orange, CA 92866, intersection of Center... | {} |
# Find two positive numbers that satisfy the given requirements. -The sum is S and
Find two positive numbers that satisfy the given requirements. -The sum is S and the product is a maximum.
You can still ask an expert for help
• Questions are typically answered in as fast as 30 minutes
Solve your problem for the pri... | {} |
# What's the difference between the enumerate and enumitem packages?
Is there an advantage to using the enumerate package over the enumitem package or vice versa? I use enumitem and my co-worker uses enumerate, and we're trying to decide which should be used when we collaborate.
use enumitem (I wrote enumerate)
• @T... | {} |
Classes and methods for executing stata-like commands easily for pandas dataframes.
## Project description
# EasyFrames
## Summary
This package makes it easier to perform some basic operations using a Pandas dataframe. For example, suppose you have the following dataset:
... age educ fridge has_car hh house_rooms... | {} |
Deprecated: Methods with the same name as their class will not be constructors in a future version of PHP; plgContentJComments has a deprecated constructor in /var/www/astarmathsandphysics/plugins/content/jcomments/jcomments.php on line 25 Call Stack: 0.0001 362592 1. {main}() /var/www/astarmathsandphysics/index.php:0 ... | {} |
# LeetCode Decode Ways II
LeetCode Decode Ways II A message containing letters from A-Z is being encoded to numbers using the following mapping way:
'A' -> 1
'B' -> 2
...
'Z' -> 26
Beyond that, now the encoded string can also contain the character ‘*’, which can be treated as one of the numbers from 1 to 9. Given th... | {} |
summaryrefslogtreecommitdiffstats log msg author committer range
blob: 9fe10114d266901362d81b32b7b29d02338ff7fe (plain)
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 7... | {} |
select the lines in the second file based on the first file
awk 'NR==FNR { n[$1] =$2; next } ($1 in n) {print$0}' foo bar | {} |
# Changing catcode for commercial at (@) inside a macro to get it matched in pattern.
This question is related to TikZ: pgfutil-common: pgfutil@in@ - how does it work? and is a result of coping with that problem. I've already read How to change #catcode in a macro, but it didn't help me.
So, here is minimalistic exam... | {} |
# Australian Olympiad Problem (Question 8)
Number Theory Level 3
There is a positive integer $$n$$ such that the last three digits of $$n^2$$ is $$n$$ itself.What is the largest possible value for $$n$$?
× | {} |
2013
12-16
# Numbering Paths
Problems that process input and generate a simple “yes” or “no” answer are called decision problems. One class of decision problems, the NP-complete problems, are not amenable to general efficient solutions. Other problems may be simple as decision problems, but enumerating all possible “... | {} |
# Feature selection using cross validation
I am dealing with a typical $p > n$ problem in the medical field. (typically $p \approx 3700$ and $n \approx 100$ ). The dependent variable is binary (healthy/sick) and features are continuous variables representing intensities of a large set of bio-markers. The bio-markers (... | {} |
# Abstract Nonsense
## Theorem Relating Direct Sums, Annihilators, and Dual Spaces
Point of post: In this post I give a proof of a theorem which, given $\mathscr{W}=\mathscr{U}\oplus\mathscr{V}$ gives the explicit relationship between $\text{Ann }\mathscr{V},\text{Ann }\mathscr{U},\text{Hom}\left(\mathscr{U},F\right)... | {} |
# Font style for page number for chapter in ToC
The page numbers in the ToC appear in different styles. For sections and subsections in normalsize and for the chapter in bold and slightly larger (I think). How can one change the fontsize/fonttype for the page number of a chapter entry in the ToC?
document style: book... | {} |
## Problem
‘The game has crashed. Please try to reconnect.’ immediately after champion select.
### Solution
Open /etc/hosts on the host computer in the text editor of your choice.
On the line that resembles:
127.0.0.1 localhost.localdomain localhost
add the name of your computer (found in /etc/hostname). For exa... | {} |
# BBQ-Networks: Efficient Exploration in Deep Reinforcement Learning for Task-Oriented Dialogue Systems
17 Aug 2016 · , , , , , ·
We present a new algorithm that significantly improves the efficiency of exploration for deep Q-learning agents in dialogue systems. Our agents explore via Thompson sampling, drawing Mon... | {} |
# Is it possible to call a latex macro at the command line in order to return a string, not create a document?
I'm curious as to whether there is a way to pass a small amount of LaTeX code to a compiler at the command line and return the string corresponding to the value of a variable or length.
For instance I would ... | {} |
Homework 10 Key
CHE 116: Numerical Methods and Statistics
4/3/2019
In [2]:
import scipy.stats as ss
import numpy as np
1. Conceptual Questions
1. Describe the general process for parametric hypothesis tests.
2. Why would you choose a non-parametric hypothesis test over a parametric one?
3. Why would you cho... | {} |
# Universal Compaction
## 数据分布和安置
### Sorted Runs
Level 0: File0_0, File0_1, File0_2
Level 1: (empty)
Level 2: (empty)
Level 3: (empty)
Level 4: File4_0, File4_1, File4_2, File4_3
Level 5: File5_0, File5_1, File5_2, File5_3, File5_4, File5_5, File5_6, File5_7
### Placement of Compaction Outputs
File0_0
File0_1
Fi... | {} |
# How do you make Prime “COMPUTERS”?
$$Given$$:
$$COMPUTERS$$ is the smallest Pan Digital containing all the digits 1 to 9 occurring only once.
$$COMPUTERSV$$ is a Prime only when one of the correct digit ($$V$$)is added at the end.
Also,
$$COMPUTERSE$$ = $$CE$$ * $$EOTOCTPC$$
What is the digit $$V$$ that has to ... | {} |
# The Most Important Scientific Concept To Understand
by zoobyshoe
Tags: concept, important, scientific
P: 5,568 A pole of scientists gives a surprising variety of opinions: Address:http://www.spiked-online.com/section...-B/default.htm The one that stood out to me, in the context of PF, was: "Science is disputative."... | {} |
Time Limit : sec, Memory Limit : KB
English
# Problem E: Psychic Accelerator
In the west of Tokyo, there is a city named “Academy City.” There are many schools and laboratories to develop psychics in Academy City.
You are a psychic student of a school in Academy City. Your psychic ability is to give acceleration to ... | {} |
# Differentiating the exponential function. The derivative of e^x.
The exponential function is probably one of the easiest functions to differentiate as the derivative is the same function. This means that the derivative of exponential is exponential:
So if y = ex then dy/dx = ex
However, a more useful result is thi... | {} |
# Gallons per minute to liters per minute
## Convert from gallons per minute to liters per minute step by step
This free conversion calculator will convert gallons per minute to liters per minute, i.e. GPM to LPM, GPM to l/min, gal/min to LPM, gal/min to l/min. Correct conversion between different measurement scales.... | {} |
## Hamiltonian actions and contractible loops
Let $(M, \omega)$ be a symplectic manifold and $G$ be a compact Lie group. Suppose we have a Hamiltonian $G$-action on $M$, with moment map $\mu: M \to {\mathfrak g}^*$.
We assume that the moment map is proper in case $M$ is noncompact.
The question is: for any loop $\ga... | {} |
# Finding the open circuit voltage
I am asked to find the open circuit voltage v(AB).
So far, I have found the current, I(1) by using the current divider, and I got approximately: 0.307A.
Except, I am not sure where to go on from here to find the open circuit voltage.
Any help would be appreciated. Thank you very m... | {} |
There is practical sense in the further restriction that \$$\phi^t\$$ should be an action of T over the smooth evolution functions.
That means:
* \$$\phi^0\$$ is the identity function
* \$$\phi^{s+t} = \phi^s \circ \phi^t\$$
The latter statement can be interpreted as follows. \$$\phi^s: M \rightarrow M\$$ gives the ... | {} |
{\displaystyle b} The radius of the circumcircle is also the radius of the polygon. Maximum number of squares that can fit in a right angle isosceles triangle . {\displaystyle T_{B}} ( A and height 1893. A Its sides are on the external angle bisectors of the reference triangle (see figure at top of page). c d and cente... | {} |
## Lech inequalities for deformations of singularities defined by power products of degree 2.(English)Zbl 1052.14008
Summary: Using a result from B. Herzog [Kodaira-Spencer maps in local algebra. Lect. Notes Math. 1597 (1994; Zbl 0809.13011)] we prove the following. Let $$(B_0,{\mathfrak n}_0)$$ be an artinian local a... | {} |
Oct 19, 2021 - Your intuition is quite high right now, enabling you to accurately tune in to others' hopes and dreams. This can be a bit tricky in a social situation, however. Someone could be saying one thing when you know they're thinking something else! Don't dwell on other people's thoughts too much. Instead, direc... | {} |
# Your Guide to documentclass LaTeX: Types and options
## What is documentclass LaTeX?
Every LaTeX document starts with a \begin{document} command and ends with an \end{document} command. LaTeX ignores anything that follows the \end{document}. The part of the source code file that precedes the \begin{document} declar... | {} |
## Derivatives of Inverse Trigonometric Functions
We can use implicit differentiation to find the formulas for the derivatives of the inverse trigonometric functions, as the following examples suggest:
Finding the Derivative of Inverse Sine Function, $\displaystyle{\frac{d}{dx} (\arcsin x)}$
Suppose $\arcsin x = \th... | {} |
# Differential equations: How do I solve a delay differential equation with 0-1 variables
How do I solve the following non-linear, delay-differential equations using Mathematica under the assumptions $$p(t) = 1 ,\; y(t) > k$$ $$p(t) = 0,\; y(t)<= \ k$$. $$\frac{dw}{dt} = \frac{1}{R(t)} - \frac{w(t)x(t)}{2R(t)}p(t-D),$... | {} |
# The adjusted trial balance of Pacific Scientific Corporation on December 31, 2017, the end of the...
The adjusted trial balance of Pacific Scientific Corporation on December 31, 2017, the end of the company's fiscal year, contained the following income statement items ($in millions): sales revenue,$2284; cost of goo... | {} |
• Award-winning private GMAT tutoring
Register now and save up to $200 Available with Beat the GMAT members only code • Get 300+ Practice Questions 25 Video lessons and 6 Webinars for FREE Available with Beat the GMAT members only code • 1 Hour Free BEAT THE GMAT EXCLUSIVE Available with Beat the GMAT members only code... | {} |
AMAPstudio
### Sidebar
This is an old revision of the document!
# Using Eclipse
### Presentation
Eclipse is an IDE (Integrated Development Environment). It intends to facilitate the developer's work with integrated tools. Interesting features are:
• a powerful editor with completion and refactoring capabilities
•... | {} |
# Homotopy equivalences and cores
Hi all,
Before asking my question, I need to fix some terms and notation.
Let $M$, $M'$ be locally compact, Hausdorff spaces, and $f:M\rightarrow M'$ a homotopy equivalence with homotopy inverse $g:M'\rightarrow M$. Set for a natural number $n$, $C^n(M):=(g\circ f)^n(M)$. Similarly,... | {} |
## Quadratic Equation – Part 9
Type 9: $x^{2}-5x-336$
Finding roots for the above problem is difficult. So here is the easy method to solve such kind of problems.
Step 1: Find the LCM for the constant number 336
Observe the below diagram
Step 2: Use the formula – Multiply all even factors and all odd factors separ... | {} |
# Algorithmically selecting colors that will contrast with their background
I am trying to write an implementation of a color quantization algorithm in order to find an image's dominant colors (say 5) and then find contrasting colors based on the colors found in the image.
I've tried implementing a k-means algorithm ... | {} |
User matt - MathOverflow most recent 30 from http://mathoverflow.net 2013-06-20T12:38:45Z http://mathoverflow.net/feeds/user/14672 http://www.creativecommons.org/licenses/by-nc/2.5/rdf http://mathoverflow.net/questions/76379/lifting-to-characteristic-0-not-over-w Lifting to Characteristic 0 not over W Matt 2011-09-26T0... | {} |
# What is the subtraction of binary numbers?
Computer ArchitectureComputer ScienceNetwork
Binary numbers are subtracted by performing two’s complement on the subtrahend. Two’s complement is done through the following steps −
• Complement every digit. That is, change 1 to 0 and 0 to 1.
• Add 1 to the output.
The fol... | {} |
# Tag Info
12
Neutrinos and antineutrinos are indistinguishable by most of their qualities, butt not all. One of the quantities that distinguish them is exactly the lepton number, which make them interact with other particles in a different way. For example, a neutrino can take part in the reaction $$n + \nu_e \right... | {} |
## anonymous 4 years ago X+5 over 3 = x-3 over 4
1. anonymous
i posted this in the other than, does it look like this? $\frac{ x + 5 }{ 3 } = \frac{ x - 3 }{ 4 }$
2. anonymous
what can we do with that?
3. anonymous
Yes
4. anonymous
find x?
5. anonymous
Common denominator rite?
6. anonymous
ahhhhhhh!!
7. an... | {} |
• ### The SAMI Galaxy Survey: the link between angular momentum and optical morphology(1608.00291)
Aug. 1, 2016 astro-ph.GA
We investigate the relationship between stellar and gas specific angular momentum $j$, stellar mass $M_{*}$ and optical morphology for a sample of 488 galaxies extracted from the SAMI Galaxy Surv... | {} |
# geometric series, big theta
I have a question about geometric series why is $g(n) = 1+c+c^2+....+c^n= \Theta(c^n)$ if $c>1$
I understand why it is $\Theta(n)$ if $c = 1$ and it is $\Theta(1)$ if $c <1$. But I just can't figure out why it is $\Theta(c^n)$ if $c>1$.
Thanks.
-
Thanks for editing it for me and making... | {} |
# Church Numerals
Here is exercise 2.6 from SICP:
Exercise 2.6: In case representing pairs as procedures wasn’t mind-boggling enough, consider that, in a language that can manipulate procedures, we can get by without numbers (at least insofar as nonnegative integers are concerned) by implementing 0 and the operation ... | {} |
On a stabilized colocated finite volume scheme for the Stokes problem
ESAIM: Mathematical Modelling and Numerical Analysis - Modélisation Mathématique et Analyse Numérique, Volume 40 (2006) no. 3, p. 501-527
We present and analyse in this paper a novel colocated Finite Volume scheme for the solution of the Stokes prob... | {} |
# Action of H2S and OH- on an alkyl halide?
What would be the action of $$\ce{OH-}$$ and $$\ce{H2S}$$ on 2,6 dichloroheptane? I came across this question in my organic chemistry workbook but I have simply never seen a question of this type before. I think a cyclic compound may be formed, but I am not sure which.
I th... | {} |
# Complexity of 4-coloring a map with constraints
The well-known Four color theorem states that every map which is divided into regions, can be colored using 4 colors such that no two adjacent regions have the same color.
In fact, there exists a quadratic algorithm for 4-coloring planar graphs.
Suppose you are given... | {} |
# vacuous truth -> empty set is both included and not included in every set?
I understand the concept of vacuous truth and its use in showing that the empty set is a subset of every set. Based on my understanding of vacuous truth (for example https://en.wikipedia.org/wiki/Vacuous_truth) we have
$\forall x \in \varnot... | {} |
# Vega binary option VS Vega Call option
I don't understand why the vega of a call option is not 0 when ATM. Irrespective of the implied volatility the vega of a binary call option when at-the-money is always zero, since you have 50-50 chance of being in the money or out of the money if the volatility increases. Why d... | {} |
janmr blog
Implementing Multiple-Precision Arithmetic, Part 220 August 2009
Introduction
This article is a follow-up to part 1 where multiple-precision addition, subtraction, and multiplication for non-negative integers was discussed. This article deals with division. Again, the theoretic foundation is based on Sect... | {} |
# Equivalance Operator - Perfect Secrecy
The equivalance operator is the inverse of the XOR operator, it's symmetric. Would this mean that it would also provide theoretical perfect secrecy just like XOR?
### XOR
x ⊕ y = (x ∨ y ) ∧ ¬ (x ∧ y )
### EQUIVALENCE
x ≡ y = ¬ (x ⊕ y)
There is no information leakage in the... | {} |
Why doesn't functoriality immediately imply the modularity theorem? - MathOverflow most recent 30 from http://mathoverflow.net 2013-05-25T20:26:30Z http://mathoverflow.net/feeds/question/110737 http://www.creativecommons.org/licenses/by-nc/2.5/rdf http://mathoverflow.net/questions/110737/why-doesnt-functoriality-immedi... | {} |
# How do you find the midpoint of (4.25,2.5), (2.5,-3)?
Mar 9, 2017
See the entire solution process below:
#### Explanation:
The formula to find the mid-point of a line segment give the two end points is:
$M = \left(\frac{\textcolor{red}{{x}_{1}} + \textcolor{b l u e}{{x}_{2}}}{2} , \frac{\textcolor{red}{{y}_{1}} ... | {} |
### Home > A2C > Chapter 4 > Lesson 4.3.1 > Problem4-138
4-138.
Explain the difference between the graphs of and. Homework Help ✎
Here is an example:
$\textit{y}=\frac{3}{\textit{x}}$
$\textit{y}=2\left(\frac{3}{\textit{x}-2}\right)+4$
The second equation is shifted 2 right and 4 up, and is stretched by a factor ... | {} |
Tikz example – SVM trained with samples from two classes
By | September 15, 2013
In machine learning, Support Vector Machines are supervised learning models used for classification and regression analysis. The basic SVM takes a set of input data and predicts, for each given input, which of two possible classes forms ... | {} |
## Algebra 2 (1st Edition)
$\pi/3$
According to the unit circle, this value is found where $\theta = 60^o$ Converting to radians gives us $\pi/3$ | {} |
Profit and Loss Aptitude Questions and Answers:
Overview:
Questions and Answers Type: MCQ (Multiple Choice Questions). Main Topic: Quantitative Aptitude. Quantitative Aptitude Sub-topic: Profit and Loss Aptitude Questions and Answers. Number of Questions: 10 Questions with Solutions.
1. A seller sold an article for... | {} |
# Write the relation in the Roster form and hence find its domain and range: R2 = {(a,1a) / 0<a≤5,a∈N} - Mathematics and Statistics
Sum
Write the relation in the Roster form and hence find its domain and range:
R2 = {("a", 1/"a") "/" 0 < "a" ≤ 5, "a" ∈ "N"}
#### Solution
R2 = {("a", 1/"a") "/" 0 < "a" ≤ 5, "a"... | {} |
Medical Imaging Interaction Toolkit 2021.10.99-9c07a326 Medical Imaging Interaction Toolkit
mitk::SemanticTypes::ExaminationPeriod Struct Reference
The concept of an examination period. An examination period holds a vector of control point UIDs. The semantic relation storage stores the UIDs such that the represented ... | {} |
Submit Essay
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# By end of 2019, will there be a >=$500M AI startup acquisition? ### Question Resolution The question will resolve positive if: • there is an acquisition after April 9 and before Jan 1st, 2020, of a company whose core product/mission involves AI (e.... | {} |
# Serious applications of Colouring proofs
Are there any research-level applications of proofs by colouring?
This is the kind of proof you use to show that you can't cover a mutilated chessboard with 31 dominoes. Afaik, this technique chiefly finds a market in IMO preparation classes; see Arthur Engel's book or this ... | {} |
# zbMATH — the first resource for mathematics
## Selecta Mathematica. New Series
Short Title: Sel. Math., New Ser. Publisher: Springer (Birkhäuser), Basel ISSN: 1022-1824; 1420-9020/e Online: http://link.springer.com/journal/volumesAndIssues/29 Predecessor: Selecta Mathematica Comments: Indexed cover-to-cover
Docum... | {} |
# Q: Is it possible to write a big number using a small number? Is there a limit to how much information can be compressed?
Physicist: Although there are tricks that work in very specific circumstances, in general when you “encode” any string of digits using fewer digits, you lose some information. That means that wh... | {} |
## Installation
### Getting [missing table] after install
by Ben Rush -
Number of replies: 5
Greetings -
I have installed Webwork twice now. Once it went flawlessly (I created a virtual specifically for Webwork); the second time I tried to install it on a pre-existing Ubuntu 14.04 box of mine ... but it failed this ... | {} |
Number Theory
# Number Bases: Level 1 Challenges
A $3$-digit number has digit sum $15$ and is divisible by $35$. Find the $3$-digit number.
Convert the following number from base 3 to base 9: $\huge{121212121212_3}$
$1111111111111111_{(2)} + 1010101010101010_{(2)} = \ ?$
Clarification: The two numbers given are wr... | {} |
# Cryptocurrency marketdata capture & replay
### Chronicle, Flatbuffers and GDAX
I am certain that my book-building logic has a bug.
The computed bid-ask spread gets out of sync with what I can see on the exchange, and only after a period of time does it revert back to normal. What's happening? With several hundred ... | {} |
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# Recent studies indicate that the average surface temperature of the earth has been rising steadily. Some scientists have modeled the temperature by the linear function $T = 0.02t 1 8.50... | {} |
when does inner product with fixed vectors determine joint distribution? - MathOverflow most recent 30 from http://mathoverflow.net 2013-05-26T08:06:47Z http://mathoverflow.net/feeds/question/54130 http://www.creativecommons.org/licenses/by-nc/2.5/rdf http://mathoverflow.net/questions/54130/when-does-inner-product-with... | {} |
Comparing two similar procedures for quantizing a Casimir Lie algebra - MathOverflow most recent 30 from http://mathoverflow.net 2013-05-26T00:22:44Z http://mathoverflow.net/feeds/question/16131 http://www.creativecommons.org/licenses/by-nc/2.5/rdf http://mathoverflow.net/questions/16131/comparing-two-similar-procedure... | {} |
# Four-momentum of a photon
I've searched all over the web to get an answer for this, to no avail. So I decided to ask this question here and I'm hoping someone can.
What is the four-momentum of a photon?
I saw online that the 4-momentum is $$P = m_{0}U$$ but then this leaves me with another question and that is, wh... | {} |
# Math Help - Defects of bottle selection
1. ## Defects of bottle selection
Approximately 10% of the glass bottles coming off a production line have serious defects in the glass. Two bottles are randomly selected for inspection. Find the expected value and the variance of the number of inspected bottles with serious ... | {} |
2017 CMS Winter Meeting
Waterloo, December 8 - 11, 2017
# Schedule - by Session
Detailed session schedules will be posted on the web site beginning in late October. Once the schedules are made available to us by the organizers, we will post them as quickly as possible. Please note that schedules are subject to chang... | {} |
# Minimum number of changes required [closed]
Given an array where each number represent a color. After iterating each item in the array (for each item in the iteration the pointer can also point to the second-item-to-the-right), and the two colors in the iteration is the same, do the following checking:
If there is ... | {} |
Deploying with git-deploy
31 Oct, 2013
I’ve blogged before about deploying Rails applications. Normally I opt for using capistrano, as it provides all the features I need and is pretty easy to customize if needed.
One of my previous strategies was to use capistrano to checkout a branch on a remote server, and git fet... | {} |
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Rubik's Cube rotation
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Hi guys, so after solving may a problem from reading posts on this forum which Google has suggested to me I have finally decided to... | {} |
# Working with Sentinel-1 data: pre-processing, georeferencing and exporting with SNAP
In this second part of the Sentinel-1 tutorial we will go through some simple steps to pre-process, georeference and export the data we downloaded using the procedures described in the previous post. To this end, we will use SNAP (S... | {} |
# Finding a presentation matrix for an $F[t]$-module
Here is an exercise from Artin:
Let $V$ be an $F[t]$-module, and let $\mathbf B=(v_1,\dots,v_n)$ be a basis for $V$ as $F$-vector space. Let $B$ be the matrix of $T$ with respect to this basis. Prove that $A=tI-B$ is a presentation matrix for the module.
(Note tha... | {} |
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