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# UM Motion
1. Jan 20, 2009
1. The problem statement, all variables and given/known data
Suppose the earth is a perfect sphere with R=6370 km. if a person weighs exactly 600.0 N at the north pole how much will the person weigh at the equator? (hint: the upward push of the scale on the person is what the scale will re... | {} |
Physics
Mechanics
Rotation
# Is angular velocity a vector quantity?
###### Wiki User
Yes, angular velocity is a vector quantity
🙏
0
🤨
0
😮
0
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0
## Related Questions
### Is angular momentum a vector quantity?
Angular momentum is a vector quantity. Angular velocity, which is a vector quantity, is multiplied by... | {} |
This is an R implementation of the web-based ‘Practical Meta-Analysis Effect Size Calculator’ from David B. Wilson. The original calculator can be found at http://www.campbellcollaboration.org/escalc/html/EffectSizeCalculator-Home.php.
Based on the input, the effect size can be returned as standardized mean difference... | {} |
1. ## Differentiable Proof 2
Suppose that f: R $\rightarrow$ R is differentiable and that for every a,b $\in$ R there holds f (a + b) = f(a) + f(b).
Prove that f '(x) = f '(0) for all x $\in$ R. What kind of function is f?
2. Start by noticing that f(0)=0. Indeed, putting a=b=0, one gets f(0)=2f(0), hence f(0)=0.
No... | {} |
### 14 Divisors
What is the smallest number with exactly 14 divisors?
### Summing Consecutive Numbers
Many numbers can be expressed as the sum of two or more consecutive integers. For example, 15=7+8 and 10=1+2+3+4. Can you say which numbers can be expressed in this way?
### Dozens
Do you know a quick way to check... | {} |
Search:
# ProbabilityDensities
The last module dealt with the uniform distribution, where any one outcome is as likely as another. This module deals with experiments whose outcomes have different probabilities. For example, consider an unfair coin which has a ($\frac{2}{3}$) probability of landing heads and a ($\frac... | {} |
At this moment, we have designed and implemented the Pseudo-Boolean Optimization (PBO) problem set, which contains 25 real-valued test problems on $\{0,1\}^n$. The selection of PBO problems is suggested in Carola Doerr, Furong Ye, Naama Horesh, Hao Wang, Ofer M. Shir, and Thomas Bäck. “Benchmarking discrete optimizatio... | {} |
Singular Values - Maple Help
Maplets[Examples][LinearAlgebra]
SingularValues
display a graphical interface to the SingularValues function
Calling Sequence SingularValues(M)
Parameters
M - Matrix
Description
• The SingularValues(M) calling sequence displays a Maplet application that returns the condition num... | {} |
# Polynomially reflexive space
In mathematics, a polynomially reflexive space is a Banach space X, on which the space of all polynomials in each degree is a reflexive space.
Given a multilinear functional Mn of degree n (that is, Mn is n-linear), we can define a polynomial p as
${\displaystyle p(x)=M_{n}(x,\dots ,x)... | {} |
# Is unsupervised learning a branch of AI?
From Artificial Intelligence: A Modern Approach, a book by Stuart Russell and Peter Norvig, this is the definition of AI:
We define AI as the study of agents that receive percepts from the environment and perform actions. Each such agent implements a function that maps perce... | {} |
## Friday, June 25, 2010
### An interview with me about The Geek Atlas
This appeared on CNET this week:
Last week, Graham-Cumming took 45 minutes out of his schedule to sit down and talk over instant message with me about the book, his approach to traveling as a geek, and why his shyness didn't stop him from getting... | {} |
4.1k views
A CPU has a $32 KB$ direct mapped cache with $128$ byte-block size. Suppose A is two dimensional array of size $512 \times512$ with elements that occupy $8$-bytes each. Consider the following two C code segments, $P1$ and $P2$.
P1:
for (i=0; i<512; i++)
{
for (j=0; j<512; j++)
{
x +=A[i] [j];
}
}
P2:
fo... | {} |
# Homework Help: Surface integral and divergence theorem over a hemisphere
1. Dec 10, 2012
### marineric
1. The problem statement, all variables and given/known data
Please evaluate the integral $\oint$ d$\vec{A}$$\cdot$$\vec{v}$, where $\vec{v}$ = 3$\vec{r}$ and S is a hemisphere defined by |$\vec{r}$| $\leq$a and... | {} |
### Home > CALC > Chapter 4 > Lesson 4.5.1 > Problem4-164
4-164.
Rewrite the following using a single trigonometric function. You may wish to review your trigonometric identities in Chapter 1.
1. $10\operatorname{ sin}(3x)\operatorname{ cos}(3x)$
Double Angle identity (factor first).
2. $\operatorname{sin }x\opera... | {} |
# Conservation of momentum and laser powered solar sail
1. May 11, 2012
### nemesiswes
I was watching a show on the science channel called "Alien Encounters". Well in one of them they showed a ship that looked as if it was propelling itself by firing a laser at it's solar sail. Now I am pretty sure that from what I ... | {} |
Find all School-related info fast with the new School-Specific MBA Forum
It is currently 27 Apr 2015, 09:46
### 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.
C... | {} |
### Off-diagonal entries in matrix of Relative Diffusivity
· 3 · 2125
#### Ilona Glatt
• Posts: 6
##### Off-diagonal entries in matrix of Relative Diffusivity
« on: June 14, 2021, 11:56:32 AM »
Hi,
when I calculate the relative diffusivity, I get a complete matrix as a result. Can someone explain the meaning of the ... | {} |
## Some random programs I wrote (Part I)
March 6, 2019
In late April 2018, I officially went onboard 42 as a ‘cadet‘ and have since ‘climbed the ranks’ all the way to ‘captain‘ by completing various programming projects in the ‘galaxy‘. It has been a uniquely addictive process. I decided to write a post to outline so... | {} |
The ceramic piezo sensor generates voltage from a few milli-volts to 1 volt when detects a small amount of vibration or force on them. where C is the value of whatever capacitance is in parallel with the current source (we’ll return to this point in the next article). digitalWrite(ledPin, HIGH); digitalWrite(ledPin, LO... | {} |
Problem on space-time curvature, black holes and planetary orbits
If the sun were to be replaced by a black hole of the same mass, how would the curvature of space-time change around the sun's initial location and around the region of Earth's orbit? What effect would the change have on Earth's orbit?
So I think that ... | {} |
# How many gallons are in a cubic gallon?
That question should probably be phrased differently. Gallons are a measure of volume. So are cubic inches and cubic feet. There are 231 cubic inches in one 1 gallon of fluid, and if that fluid is water, then it weighs 8.32 pounds. There is no such thing as a cubic gallon.
Cu... | {} |
How To Create TextBox Control Dynamically at Runtime
http://aspdotnetcodebook.blogspot.com/2008/03/how-to-create-textbox-control.html in this post i will show how to create Textbox Control dynamically and read there value.
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="TextBoxDynamic.aspx.cs" Inherits="TextBo... | {} |
## Dynamic glass transition in two dimensions
2007
Bayer, Markus
Ebert, Florian
Lange, E.
Schilling, Rolf
Sperl, Matthias
Wittmer, J. P.
Journal article
##### Published in
Physical Review E ; 76 (2007). - 11508
##### Abstract
The question of the existence of a structural glass transition in two dimensions is studied u... | {} |
# How can I prove the identity \frac{1}{1+\sin(x)} \equiv \frac{\sec^2 (\frac{x}{2})}{(\tan(\frac{x}{2}) +1)^2}
How can I prove the identity
$$\displaystyle{\frac{{{1}}}{{{1}+{\sin{{\left({x}\right)}}}}}}\equiv{\frac{{{{\sec}^{{2}}{\left({\frac{{{x}}}{{{2}}}}\right)}}}}{{{\left({\tan{{\left({\frac{{{x}}}{{{2}}}}\right... | {} |
## Monday, May 14, 2018
A winner is big enough to admit his mistakes, smart enough to profit from them, and strong enough to correct them. – John Maxwell
So many times I hear managers complain about a subordinate when he or she makes a mistake. The manager immediately feels the mistake will reflect on himself and w... | {} |
# Evaluating the integral $\int \sqrt{1 + \frac{1}{x^2}} dx$
$$\int \sqrt{1 + \frac{1}{x^2}} dx$$
This is from the problem calculating the arc length of $y=\log{x}$.
I tried $x = \sinh{t}$ or $\frac{1}{x} = \tan{t}$ but all failed.
• Actually, $\frac{1}{x}=\tan t$ or, equivalently, $x=\cot t$ will work fine and, as... | {} |
### Be Reasonable
Prove that sqrt2, sqrt3 and sqrt5 cannot be terms of ANY arithmetic progression.
### Janusz Asked
In y = ax +b when are a, -b/a, b in arithmetic progression. The polynomial y = ax^2 + bx + c has roots r1 and r2. Can a, r1, b, r2 and c be in arithmetic progression?
### Proof Sorter - Sum of an AP
... | {} |
# Euler-Maclaurin Summation Formula for Multiple Sums
The Euler-Maclaurin summation formula is \begin{eqnarray} \sum_{k = a}^{b} f(k) = \int_{a}^{b} f(t) \, dt + B_1 (f(a) + f(b)) + \sum_{n = 1}^{N} \frac{B_{2n}}{(2n)!} ( f^{(2n-1)}(b) - f^{(2n-1)}(a) ) + R_{N}, \end{eqnarray} where $B_{n}$ is the $n^{\text{th}}$-Bern... | {} |
## Past Seminars- Inverse Problems and Imaging
• Peijun Li
Tue Jun 12, 2012
2:00 pm
We consider the scattering of a time-harmonic plane wave incident on a two-scale heterogeneous medium, which consists of scatterers that are much smaller than the wavelength and extended scatterers that are comparable to the wavelength... | {} |
×
# RGAME - Editorial
Author: Abhra Dasgupta
Tester: Antoniuk Vasyl and Misha Chorniy
Editorialist: Pushkar Mishra
Easy-Medium
# PROBLEM:
Given are $N+1$ numbers $A_0$ to $A_N$. These numbers come in as a stream in order from $A_0$ to $A_N$. The number coming in can be placed at either ends of the sequence already... | {} |
Previous: , Up: Breakpoint Conditions [Contents][Index]
#### 5.9.9 The Action Variables
In this section we list the possible values of the debugger action variables, and their meaning.
Note that the Prolog terms, supplied as values, are copied when a variable is set. This is relevant primarily in the case of the p... | {} |
# I Complex conjugation in scalar product?
Tags:
1. Oct 12, 2016
### ATY
Hey guys,
I got the following derivation for some physical stuff (the derivation itself is just math)
http://thesis.library.caltech.edu/5215/12/12appendixD.pdf
I understand everything until D.8.
After D.7 they get the eigenvalue and eigenvecto... | {} |
# Ubuntu – How to reach a host in the same network by hostname
avahidnshostnamenetworkingserver
I have a network which connects a couple of hosts.
I would like to be able to reach other hosts from one of them using the hostname.
I just discovered the ".local" domain, which is available through avahi and /etc/nsswitch... | {} |
# Analog Filter Prototype to Direct Form Second Order Cascade
I've been using the Faust programming language a lot lately for experimenting with DSP, and I've been digging into their implementation of an Elliptic (Cauer) Lowpass filter. Here's an example of such a filter with order three.
If you're unfamiliar with Fa... | {} |
## Physics for Scientists and Engineers: A Strategic Approach with Modern Physics (4th Edition)
$v_a = v_b = v_c$
Let's consider ball a. We can use conservation of energy to find the speed of the ball $v_f$ when the ball reaches the ground. $PE_f+KE_f = PE_0+KE_0$ $0+\frac{1}{2}mv_f^2 = mgh+\frac{1}{2}mv_0^2$ $v_f^2 =... | {} |
## anonymous one year ago The cost in dollars of producing x units of a particular brand of notebook is C(x) = x^2 – 400. a)Find the average rate of change of C with respect to x when the production level is changed from x = 100 to x = 102. Include units in your answer. b)Find the instantaneous rate of change of C with... | {} |
## Why I use Linux
This is a re-post of a blog post I wrote for my department blog couple years ago. I just read it again and I found it still relevant.
For those of you who have been to my office or have taken my classes will know that I am a big Linux fan. I started to use a little bit of Linux since early 2000. But... | {} |
# AUCTeX folding and square brackets in math mode
I want to use the folding functionality of AUCTeX, mainly to replace math macros with the corresponding symbols. But at the same time I want to continue to use square or curly brackets additionally to parentheses. But AUCTeX hides then square or curly brackets and thei... | {} |
# Guessing the K matrix gain for the Optimal Control LQR?
I'm are going to create a LQR to control a system. The problem is to choose the Q and R weighting matrices for the cost function. The Q and R matrices are going to minimize the cost function so the system are going to be optimal.
I'm using Scilab and Scilab ha... | {} |
2018 CAP Congress / Congrès de l'ACP 2018
10-16 June 2018
Dalhousie University
America/Halifax timezone
Welcome to the 2018 CAP Congress Program website! / Bienvenue au siteweb du programme du Congrès de l'ACP 2018!
Exclusive Backward-Angle Meson Electroproduction -- Unique access to $u$-channel physics
12 Jun 2018,... | {} |
Question: DESEq2 error when performing exploratory analysis with no replicates
0
2.9 years ago by
pro_zac0
pro_zac0 wrote:
Hello,
I have recently been trying to analyse 12 non-replicated metagenome samples using DESeq2 as an exploratory analysis to find genes with differing abundance to allow for inferences to be obt... | {} |
## Algebra and Trigonometry 10th Edition
$3.78-2.12 > 1.3x^2$ $x^2 < 1.66/1.3=1.277$ $x^2-1.277<0$ $(x-1.13)(x+1.13)<0$ -1.13 < x < 1.13 | {} |
## Posts Tagged ‘area’
### How does matlab’s hypot function work?
Saturday, January 7th, 2017
The hypot function in matlab purports to be more numerically stable at computing the hypotenuse of a (right-)triangle in 2D. The example the help hypot gives is:
a = 3*[1e300 1e-300];
b = 4*[1e300 1e-300];
c1 = sqrt(a.^2 +... | {} |
## PIE day
[This is part six in an ongoing series; previous posts can be found here: Differences of powers of consecutive integers, Differences of powers of consecutive integers, part II, Combinatorial proofs, Making our equation count, How to explain the principle of inclusion-exclusion?. However, this post is self-c... | {} |
Why Python IDLE is faster than Spyder or Jupyter notebook
• Python
Gold Member
I defined a simple prime function and then I append each number to an array up to 1 million and then later 2 million. In both cases, Python IDLE gives me the answer in 4 and 9 seconds respectively, but Spyder and Jupyter Notebook gave me in... | {} |
# Find the average value of this function
Find the average value of $e^{-z}$ over the ball $x^2+y^2+z^2 \leq 1$.
-
What have you tried so far? What exactly is the problem you're having? – smackcrane Nov 8 '11 at 18:03
The average will just be the integral over the sphere, divided by the volume of the sphere.
Integ... | {} |
### Home > PC3 > Chapter 12 > Lesson 12.1.2 > Problem12-32
12-32.
For each graph below, write two equations, one that uses sine and one that uses cosine, that will generate the graph.
1. The sine function does not need a horizontal shift.
The cosine function needs to be shifted $π$ units left.
1. The sine needs to ... | {} |
# FEniCS: how to specify boundary conditions on a circle inside 2D mesh
I would like to numerically find a mutual capacitance of two stripes of metal on the opposites sides of a cylinder. The problem is obviously a 2D Laplace equation. I would like to find the potential outside the cylinder as well. Therefore I have s... | {} |
# MethaneFluidProperties
Fluid properties for methane (CH4)
Fluid properties for methane are mainly calculated using the Setzmann and Wagner equation of state (Setzmann and Wagner, 1991). This formulation uses density and temperature as the primary variables with which to calculate properties such as density, enthalp... | {} |
# Why does Mathematica ignore my stylesheet for DisplayFormulaNumbered cells?
I made a custom stylesheet, installed it, and applied it to a new blank notebook. Adding a cell and changing it to Text results in the expected behavior. The font and font size change to whatever the stylesheet says.
But this does not happe... | {} |
# Straight Lines - Online Test
Q1. The point which divides the joint of ( 1, 2 ) and ( 3,4 ) externally in the ratio 1 : 1 .
Answer : Option B
Explaination / Solution:
The point which divides the line in the ratio m:n externally is given by x =
Substituting the values we get,
x = which is undefined.
Q2. The dista... | {} |
# Cron: Wikis
Note: Many of our articles have direct quotes from sources you can cite, within the Wikipedia article! This article doesn't yet, but we're working on it! See more info or our list of citable articles.
# Encyclopedia
(Redirected to cron article)
Cron is a time-based job scheduler in Unix-like computer ... | {} |
### Improved Progressive BKZ with Lattice Sieving
##### Abstract
BKZ is currently the most efficient algorithm in solving the approximate shortest vector problem (SVP$_\gamma$). One of the most important parameter choice in BKZ is the blocksize $\beta$, which greatly affects its efficiency. In 2016, Aono \textit{et a... | {} |
# running processes
Discussion in 'Windows XP' started by kryptonite1055, Jul 30, 2006.
Not open for further replies.
Joined:
Jun 22, 2006
Messages:
243
So I have been at school, and when I got back I set up my computer and have been using it, but tonight mine was off so I wne to my parents computer. It is an older ... | {} |
Dividing a complex reaction involving a hypervalent iodine reagent into three limiting mechanisms byab initiomolecular dynamics
Sala, Oliver; Lüthi, Hans Peter; Togni, Antonio; Iannuzzi, Marcella; Hutter, Jürg (2015). Dividing a complex reaction involving a hypervalent iodine reagent into three limiting mechanisms bya... | {} |
# Resources for high school teachers about APOS theory
As far as I can find, the major resources available to the layteacher about APOS (Action, Process, Object, Schema) theory refer to "undergraduate" concepts such as group theory and vector spaces (such as here).
I am interested in whether people have implemented o... | {} |
# Finicky behavior from dbserv/Qserv on ORDER BY using table_alias.column syntax
XMLWordPrintable
#### Details
• Type: Bug
• Status: Done
• Resolution: Done
• Fix Version/s: None
• Component/s:
• Labels:
• Story Points:
10
• Sprint:
DB_S17_12, DB_S17_01, DB_S17_2
• Team:
Data Access and Database
#### Description
T... | {} |
# Math Help - Help proving convergence
1. ## Help proving convergence
Please, could you help me with this demonstration?
Let X a vectorial space with norm and ${x_n}$ e ${y_n}$ sequences over X where x_n->x and y_n->Y.
A) If $\lambda_n$ is a scalar sequence that converges to $\lambda$ prove that $\lambda_n$ $x_n$->... | {} |
## College Algebra 7th Edition
$a_{n}=n^{(-1)^{n+1}}$
We are given: $1, \frac{1}{2}, 3, \frac{1}{4}, 5, \frac{1}{6}$ ... We notice that the terms are integers raised to positive or negative $1$ (alternating). We find the pattern: $a_1=1^1$ $a_2=2^{-1}$ $a_3=3^{1}$ $a_4=4^{-1}$ $a_5=5^{1}$ Therefore: $a_{n}=n^{(-1)^{n+... | {} |
An easy but also deep journey on the geometry of a triangle and its exciting topics.
[Under construction…]
On this essay-course we begin studying some basic properties and gradually we touch some of the most interesting and “advanced” facts of the most simple plot in the Euclidean Geometry, the triangle. A skllied prob... | {} |
Cubic Decimetre
Cubic Decimetre
Unit of volume corresponding to the volume of one cube with 1 dm edges.
Notation
One cubic decimetre is equivalent to one litre and we write: 1 L = 1 dm$$^{3}$$.
One cubic decimetre is equivalent to one thousand cubic centimetres and we write:
1 dm$$^{3}$$ = 1000 cm$$^{3}$$. | {} |
Previous | Up | Next
# Article
Full entry | PDF (0.3 MB)
Keywords:
Bayesian networks; causal Markov condition; information theory; information inequalities; common ancestors; causal inference
Summary:
Given a fixed dependency graph $G$ that describes a Bayesian network of binary variables $X_1, \dots, X_n$, our m... | {} |
How to type the letter “i” with two dots (diaeresis) in math mode? [duplicate]
I would like to type the letter "i" in math mode, but with two (horizontally aligned) dots rather than with just one.
I know there is \ddot{i}, but that puts the two dots on top of the existing one, while \text{\"i} sets the letter in text... | {} |
## Algebra 1: Common Core (15th Edition)
$r=\frac{50}{200}=\frac{1}{4}$ $r=\frac{12.5}{50}=\frac{1}{4}$ $r=\frac{3.125}{12.5}=\frac{1}{4}$ There is a common ratio, $r = \frac{1}{4}$. So, the sequence is geometric. | {} |
# Notation: Is $(\Delta x)^2 = \Delta x^2$?
I read this in a book and was wondering whether it's valid or not:
I thought $\Delta x^2$ would mean 'change in $x^2$', which would be quantitatively different to $(\Delta x)^2$; no?
• I guess change in $x^2$ would be rather $\Delta(x^2)$ Jan 10 '16 at 11:16
• @addy2012 Bu... | {} |
96% tag accuracy with larger tagsets on realistic text corpora. At/ADP that/DET time/NOUN highway/NOUN engineers/NOUN traveled/VERB In the following sections, we are going to build a trigram HMM POS tagger and evaluate it on a real-world text called the Brown corpus which is a million word sample from 500 texts in diff... | {} |
# How do I post code which is reliant on large file IO operations?
I have code which does IO operations (read and process) on large files (multi GB or sometimes TB). It is not practical for me to post real examples to stackexchange and I would not want to post code which requires downloads in order to reproduce - espe... | {} |
RUS ENG JOURNALS PEOPLE ORGANISATIONS CONFERENCES SEMINARS VIDEO LIBRARY PACKAGE AMSBIB
General information Latest issue Archive Impact factor Search papers Search references RSS Latest issue Current issues Archive issues What is RSS
Izv. Vyssh. Uchebn. Zaved. Mat.: Year: Volume: Issue: Page: Find
Izv... | {} |
# Does this Stochastic Differential Equation have a name?
I came across this SDE and since I am not an expert I am wondering if this SDE is known to have an closed form solution for first passage times.
The SDE is
$$dY_t=(a+be^{ct}) \, dt+\sigma \, dB_t$$
How does one go about finding an explicit distribution for f... | {} |
# what is the solution of this ODE
How to solve the following differential equation
$$\frac{dy}{dx} + \frac{5y}{6x} = \frac{5x^4}{y^4}$$
subject to the condition $y(1) = 1$.
-
– Raskolnikov Sep 16 '12 at 18:00
Take a look at the Wolfram|Alpha solution : bit.ly/UbkhQf – gyosko Sep 16 '12 at 18:35
Generally, a Ber... | {} |
cprover
goto-symex
# Folder goto-symex
This directory contains a symbolic evaluation system for goto-programs. This takes a goto-program and translates it to an equation system by traversing the program, branching and merging and unwinding loops and recursion as needed.
The output of symbolic execution is a system o... | {} |
• Contributions of the Pierre Auger Collaboration to the 33rd International Cosmic Ray Conference, Rio de Janeiro, Brazil, July 2013
• ### HERMES: a Monte Carlo Code for the Propagation of Ultra-High Energy Nuclei(1307.4356)
July 16, 2013 astro-ph.IM, astro-ph.HE
Although the recent experimental efforts to improve the... | {} |
The number of 3xx3matrices Awhose entries are either 0or1and for w | Filo
class 12
Math
Algebra
Matrices
549
150
The number of matrices whose entries are either and for which the system has exactly two distinct solution isa. 0 b. c. d.
549
150
Connecting you to a tutor in 60 seconds. | {} |
# Tag Info
11
Having experienced similar problematic issues with Mathematica I instantly thought that expanding the fraction in the integrand i.e. applying Appart could resolve the problem, and indeed it does: Integrate[ Apart[(1 - x)(1 + 2x)^6/Sqrt[1 - x^2]], {x, -1, 1}]/Pi 15 These arguments apply to this case as w... | {} |
What is the metric on the Fuchsian model? [closed]
Let $\mathbb{H}$ be the upper half plane, and $\Gamma < SL(2, \mathbb{R})$ be a Fuchsian group. How is the distance between any two points $x, y \in \mathbb{H} / \Gamma$ in the Fuchsian model defined?
• How do you define a distance function on a Riemannian manifold? ... | {} |
# Should the weights of a neural network be updated after each example or at the end of the batch? [duplicate]
Should the weights of a neural network be updated after each example or at the end of the batch? Do I need a normalization factor in the second case?
• Ideally you would use a small enough batch that uses th... | {} |
# The line passing through the focus and perpendicular to the directrix is called
This question was previously asked in
UPSC ESE 2020 Paper 1
View all UPSC IES Papers >
1. axis
2. vertex
3. eccentricity
4. conic
## Answer (Detailed Solution Below)
Option 1 : axis
Free
NTPC Diploma Trainee 2020: Full Mock Test
12115
... | {} |
# Counterpart of Maple's LSSolve in Mathematica
I am a great fan of Mathematica. Unfortunately, due to some specific tasks I had to move to Maple. I think it's my lack of info that is not letting me do those tasks. That is why I am asking some command replacements from you guys. I code some mesh free methods like Gale... | {} |
Chain Rule Help
The chain rule is similar to the product
rule
and the quotient rule,
but it deals with
differentiating
compositions of functions. If we recall, a composite function is a function
that contains another function:
The Formula for the Chain Rule
The capital F means the same thing as lower case f, it just... | {} |
1. ## Help with integration
Help me with these integrations please
$
1.\int\sqrt{log{x}}dx
$
$
2.\int\frac{dx}{\sqrt{3+2cos{x}}}
$
$
3.\int\log{tan(x)}dx
$
$
4.\int\frac{tan^{-1}(x)}{x}dx
$
$
5.\int\tan(e^{x})dx
$
$
6.\int\tan^{-1}(e^{x})dx
$
$
7.\int\(e^{(x^{2})}dx
$
& the next one is a differential equation.... | {} |
# Worst case to average case reductions
Are there problems whose average case complexity is the same as their worst case complexity? What are the underlying properties of these problems that makes reducing the worst case to the average case possible?
• Random self-reducibility (That's more of a definition than an und... | {} |
# why is H = {www | w ∊ (0,1)* } not regular language
I know pumping lemma and also know how to prove if languages are not regular or are regular using proof by contradiction methodology. But I am stuck on this one.Especially, I don't know exact string it produces.
$$H = \{www \mid w ∊ (0,1)^* \}$$
How do I prove th... | {} |
# How do I set a binding offset for multiple pages printed on one sheet?
I'm creating a PDF LaTeX document that has A4 portrait pages. But it is destined to be printed in landscaoe orientation, two-up and double-sided.
That means any binding offset needs to be added to the left margin of pages 1, 5, 9 .... and the ri... | {} |
## College Algebra (11th Edition)
Published by Pearson
# Chapter 1 - Section 1.6 - Other Types of Equations and Applications - 1.6 Exercises - Page 135: 73
$x=\left\{ \dfrac{1}{4},1 \right\}$$#### Work Step by Step$\bf{\text{Solution Outline:}}$To solve the given equation,$ (2x-1)^{2/3}=x^{1/3} ,$raise both sides to... | {} |
## Algebra 1
$(-3, infinity)$
We can't have the square root of a negative number, so $y$'s lowest value is 0. $0=\sqrt {x+3}$ $0^2=(\sqrt {x+3})^2$ $0= x+3$ $-3=x$ | {} |
# NCERT Exemplar Solutions Class 10 Mathematics Solutions for Coordinated Geometry - Exercise 7.4 in Chapter 7 - Coordinated Geometry
Question 2 Coordinated Geometry - Exercise 7.4
A (6, 1), B (8, 2) and C (9, 4) are three vertices of a parallelogram ABCD. If E is the midpoint of DC, find the area ofADE.
According t... | {} |
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# Solution for By Using Properties of Determinants, Show that |(A-b-c, 2a,2a),(2b, B-c-a,2b),(2c,2c, C-a-b)| = (A + B + C)Sqrt2 - CBSE (Arts) Class 12 - Mathematics
#### Question
By using properties of determinants, show that:
|(a-b-c, 2a,2a),(2b, b-c-a,2b),(2c,2c, c-a-b)|... | {} |
The wire shown in the figure, carries a current of 10 A
The wire shown in the figure, carries a current of 10 A. Determine the magnitude of magnetic field induction at the centre O. Given the radius of bent coil is 3 cm.
Here, / = 10 A, r = 3 cm, r = 3 X {{10}^{-2}}
Angle subtended by coil at the centre,
θ = 360° - 9... | {} |
# Turbulence kinetic energy
(Redirected from Turbulent Kinetic Energy)
In fluid dynamics, turbulence kinetic energy (TKE) is the mean kinetic energy per unit mass associated with eddies in turbulent flow. Physically, the turbulence kinetic energy is characterised by measured root-mean-square (RMS) velocity fluctuatio... | {} |
# 6.7.23Conskler ( and 19 i V= CIO,IL wilh the mner procluct (9} gwven by the inlegual i(U(U) dtCompule /ll; whete
###### Question:
6.7.23 Conskler ( and 19 i V= CIO,IL wilh the mner procluct (9} gwven by the inlegual i(U(U) dt Compule /ll; whete I(U) 8 + 240 M-L Enter your answer in the answer box and tnen click Che... | {} |
x
## Horizontal and Vertical Stretching/Shrinking
A stretch in which a plane figure is distorted vertically. See also Vertical Stretch of 2, Horizontal Shrink of $$\displaystyle \frac{1}{3}$$, Shift left 2
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Decide math equations
Math ... | {} |
# American Institute of Mathematical Sciences
December 2016, 36(12): 7057-7061. doi: 10.3934/dcds.2016107
## On the symmetry of spatially periodic two-dimensional water waves
1 Faculty of Mathematics, University of Vienna, Oskar-Morgenstern-Platz 1, Vienna, A-1090, Austria
Received December 2015 Revised January... | {} |
# Chapter 16: Integrals and Vector Fields - Practice Exercises - Page 1029: 25
$$\sqrt 6$$
#### Work Step by Step
We have $r_u=1+j \space and \\ r_v=1-j+k$ and $$|r_u \times r_v|=\sqrt 6$$ $$Surface \space Area=\iint_S |r_u \times r_v| \space du \space dv \\=\int_0^1 \int_0^1 \sqrt 6 \space du \space dv \\=\sqrt 6(1... | {} |
# Dil is studying two different type of birds: Polioptila caerulea and Guiraea caerulea. He was amazed by the similar characteristics
###### Question:
Dil is studying two different type of birds: Polioptila caerulea and Guiraea caerulea. He was amazed by the similar characteristics both birds share. Based on the scie... | {} |
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# Tiny, Tuned, and UnattachedPUBLIC ACCESS
Work is Under Way to Create High-end Integrated Micro Systems that can Sense, Crunch Data, and Communicate Wirelessly in a Package the Size of a Sugar Cube.
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Associate Editor
Mechanical Engineering 123(07), 50-54 (Jul 01, 2001) (4 pages) ... | {} |
# Tag Info
2
The Fundamental Theorem of Calculus is of course correct, and you are applying it correctly. The statements the rate of change of work with respect to displacement is force and the instantaneous rate of change of work with respect to displacement is force are correct. The thing to keep in mind is that it... | {} |
They are generally of two type slow algorithm and fast algorithm. REST Web Service. Fig. They are generally of two type slow algorithm and fast algorithm.Slow division algorithm are restoring, non-restoring, non-performing restoring, SRT algorithm … Here, n-bit dividend is loaded in Q and divisor is loaded in M. Value ... | {} |
Recognitions:
## "Large" diffeomorphisms in general relativity
I think 1) is irrelevant as we know that the embedding of T² in R³ does itself change the metric; T² admits a flat metric, but the embedding in R³ does not. So 1) is an artefact of the embedding.
Quote by tom.stoer Let's make an example. Assume R*T³ sol... | {} |
# Is there any significance to the logarithm of a sum?
Many years ago, while working as a computer programmer, I tracked down a subtle bug in the software that we were using. Management had dispaired of finding the bug, but I pursued it in odd moments over a period of a few days, and finally found that the problem was... | {} |
# Notes on "Time, Clocks, and the Ordering of Events in a Distributed System"
Develops a partial ordering for events occurring in a distributed system based on logical time. Demonstrates how to strengthen the partial ordering into one of many possible total orderings. Finally, presents an algorithm to order events bas... | {} |
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