question stringlengths 200 50k | answer stringclasses 1
value | source stringclasses 2
values |
|---|---|---|
Page 1 of 1
### Decimal point
Posted: Wed Oct 03, 2018 11:55 pm
Can someone explain the difference in sig figs between 125 and 125. , if there is one?
### Re: Decimal point
Posted: Wed Oct 03, 2018 11:57 pm
Both of the values have the same number of significant figures: 3 sig figs. Adding a decimal point is tricky ... | HuggingFaceTB/finemath | |
# Thread: Trig identity for sqrt(2)/2?
1. ## Trig identity for sqrt(2)/2?
Does a trig identity exist for $\frac{\sqrt{2}}{2}$ ?
In other words, can $\frac{\sqrt{2}}{2}$ be expressed in terms of $\sin\theta, \cos\theta...$ etc. just as 1 can be set equal to $\sin^2\theta+\cos^2\theta$ ?
2. Draw yourself a right angl... | HuggingFaceTB/finemath | |
# Graphing Functions in Discrete mathematics
Graphing function can be described as a process of drawing the graph of a function. There are some simple functions and some complex functions in the basic graphing functions. The simple functions are cubic, linear, quadratic, and many more and the complex functions are log... | HuggingFaceTB/finemath | |
{[ promptMessage ]}
Bookmark it
{[ promptMessage ]}
# s41 - Solutions to Homework#4 Picture the Problem Two...
This preview shows pages 1–2. Sign up to view the full content.
This preview has intentionally blurred sections. Sign up to view the full version.
View Full Document
This is the end of the preview. Sign ... | HuggingFaceTB/finemath | |
Explain the equation [closed]
Explain the following equation...
$$r^{\prime}_d = \dfrac{26\mathrm{mV}}{I_D} + r_B$$
Explain from where and how this equation comes out . Also elaborate the terms used in above mentioned equation.
closed as unclear what you're asking by Matt Young, Leon Heller, Scott Seidman, Alfred C... | HuggingFaceTB/finemath | |
## Linear Algebra and Its Applications, Exercise 2.1.6
Exercise 2.1.6. Consider the equation $x+2y+z=6$ that defines a plane $P$ in 3-space. For the parallel plane $P_0$ through the origin find its equation and explain whether $P$ and $P_0$ are subspaces of $\mathbf{R}^3$.
Answer: The origin $(0,0,0)$ must be a solut... | HuggingFaceTB/finemath | |
# Kurtosis - Explained
What is Kurtosis?
# What is Kurtosis?
This is a statistical procedure used in reporting the distribution. Unlike skewness which differentiates extreme values between one tail and another, kurtosis computes the absolute values in each tail. Large kurtosis is present in the distributions that po... | HuggingFaceTB/finemath | |
# Question #f6ab2
Nov 27, 2016
$f \left(- 10\right) = - \frac{5}{42}$
#### Explanation:
Substitute -10 for each occurrence of $x$ in the function:
$f \left(- 10\right) = \frac{- 10}{- {10}^{2} - 16}$
$f \left(- 10\right) = \frac{- 10}{100 - 16}$
$f \left(- 10\right) = - \frac{10}{84}$
$f \left(- 10\right) = \fr... | HuggingFaceTB/finemath | |
How to compute linear recurrence using matrix with fraction coefficients?
What I'm trying to do is generate Motzkin numbers mod a large number $10^{14} + 7$ (not prime), and it needs to compute the $n$th Motzkin number as fast as possible. From Wikipedia, the formula for the $n$th Motzkin number is defined as followin... | HuggingFaceTB/finemath | |
# Warm Up Please have your homework out and ready for me when I get to you. Starting tomorrow, I will not wait/come back to you if you are not ready. Find.
## Presentation on theme: "Warm Up Please have your homework out and ready for me when I get to you. Starting tomorrow, I will not wait/come back to you if you are... | HuggingFaceTB/finemath | |
$$\newcommand{\id}{\mathrm{id}}$$ $$\newcommand{\Span}{\mathrm{span}}$$ $$\newcommand{\kernel}{\mathrm{null}\,}$$ $$\newcommand{\range}{\mathrm{range}\,}$$ $$\newcommand{\RealPart}{\mathrm{Re}}$$ $$\newcommand{\ImaginaryPart}{\mathrm{Im}}$$ $$\newcommand{\Argument}{\mathrm{Arg}}$$ $$\newcommand{\norm}{\| #1 \|}$$ $$\ne... | HuggingFaceTB/finemath | |
# What are the most overdue Powerball numbers?
Contents
## Is there a pattern to Powerball numbers?
A lottery machine generates the numbers for Powerball draws, which means the combinations are random and each number has the same probability of being drawn. …
## What are the most overdue numbers?
The “most overdue... | HuggingFaceTB/finemath | |
# Cross-correlation
The following operation is called a discrete cross-correlation of functions f(t) and g(t) defined on Z: The following operation is called a circular discrete cross-correlation of a nonperiodic function f and a periodic function g: Cross-correlation is most often used in signal processing, where f i... | HuggingFaceTB/finemath | |
# Graphite Weight Calculator
Introduction: The Graphite Weight Calculator is a practical tool for estimating the weight of a graphite sheet based on its dimensions. Whether you’re working with graphite in the manufacturing industry or using it for artistic purposes, this calculator provides a quick estimate to assist ... | HuggingFaceTB/finemath | |
# Class 8
## Samacheer Kalvi 8th Books Solutions Guide
Expert Teachers at SamacheerKalvi.Guru has created Tamilnadu State Board Samacheer Kalvi 8th Books Answers and Solutions Guide Pdf Free Download of Term 1, 2, 3 in English Medium and Tamil Medium are part of Samacheer Kalvi Books Solutions. Here we have given TN ... | open-web-math/open-web-math | |
## Geometry: Common Core (15th Edition)
A right angle is symbolized by drawing a square where the rays forming the angle meet. Since this angle has such a square, we know that it is $90°$, which means it is a right angle. In other words, if the two rays are perpendicular, they form a right angle. | HuggingFaceTB/finemath | |
# Earth Gravity: The Gravitational Acceleration Structure
Earth Gravity: The Gravitational Acceleration Structure
• The earth’s gravity, denoted by G, refers to the acceleration that the earth gives to its surface or the objects around it.
• In SI units this acceleration is denoted as equivalent per square meter (i... | HuggingFaceTB/finemath | |
# How do you solve h/2< -5?
Feb 15, 2017
See the entire solution process below:
#### Explanation:
Multiply each side of the inequality by $\textcolor{red}{2}$ to solve for $h$ while keeping the inequality balanced:
$\textcolor{red}{2} \times \frac{h}{2} < \textcolor{red}{2} \times - 5$
$\cancel{\textcolor{red}{2}... | HuggingFaceTB/finemath | |
You may like this method. I understood that completing the square was a method for solving a quadratic, but it wasn’t until years later that I realized I hadn’t really understood what I was doing at all. We use this later when studying circles in plane analytic geometry.. The other term is found by dividing the coeffic... | open-web-math/open-web-math | |
# Maximum likelihood estimation
Maximum Likelihood Estimation (MLE) is a technique used to estimate the parameters of a statistical model.
## But what are parameters?
A parameter is a variable whose value can be estimated from historical data. For example, in the case of Linear regression (see our article on linear ... | HuggingFaceTB/finemath | |
# Search by Topic
#### Resources tagged with Maths Supporting SET similar to pdf Stories:
Filter by: Content type:
Stage:
Challenge level:
### There are 94 results
Broad Topics > Applications > Maths Supporting SET
### Pdf Stories
##### Stage: 5 Challenge Level:
Invent scenarios which would give rise to these pr... | HuggingFaceTB/finemath | |
# The depth of water in a harbour at high tide is 12m and at low tide is 4m. the water is at average depth at 2.00 am and high tide is..............coming in. Assuming a 12 hr cycle, determine sine...
The depth of water in a harbour at high tide is 12m and at low tide is 4m. the water is at average depth at 2.00 am an... | HuggingFaceTB/finemath | |
Search a number
26268 = 22311199
BaseRepresentation
bin110011010011100
31100000220
412122130
51320033
6321340
7136404
oct63234
940026
1026268
1118810
1213250
13bc58
149804
157bb3
hex669c
26268 has 24 divisors (see below), whose sum is σ = 67200. Its totient is φ = 7920.
The previous prime is 26267. The next prime is ... | HuggingFaceTB/finemath | |
# Partitioning connected graphs in the plane
This is a geographic problem, where we have several connected graphs embedded on the plane, where none of them have overlapping edges/nodes.
How can we divide the plane using line segments in such a way that each subdivision contains exactly one connected component?
I was... | HuggingFaceTB/finemath | |
   Â
     Â
# Math Examples of Comparison between Integration and Differentiation
• ## Differentiate and Integrate the function f(x) = x + 1?
First we will see the differentiation of the function f ( x ), the differentiation of function is shown below-
=> d ( f ( x ) ) / dx = d ( x + 1 ) / dx,
=> d... | HuggingFaceTB/finemath | |
## Thursday, May 10, 2007
### Danny's Scribe for May 10
How to find side "B" on a right angle triangle. Say that you have a right triangle with "A" being 3m. and C being 5m.
Now you have to square all of them. B2=C2-A2.
Now let's replace the sides with the dimensions. B2=62-32
That is the same as writing 36-9=B2
... | HuggingFaceTB/finemath | |
# How Many Pizzas Should I Order?!
Question: How Many Pizzas Should I Order?
We are having a party with 14 kids and 14 adults + or - a few. All of the kids are boys between 8 and 13. How many pizzas should I order?
## Best Answer - Chosen by Voters
Well, 14 + 14 is 28. So that's about 28 pizzas. However, 1 slice of ... | HuggingFaceTB/finemath | |
I'm getting ellipses as level curves of a fit dataset. After selecting a particular ellipse, I would like to report it as a center point, semi-major and minor axes lengths, and a rotation angle. In other words, I would like to transform (using mathematica) my ellipse equation from the form:
``Ax^2 + By^2 + Cx + Dy + E... | HuggingFaceTB/finemath | |
Teacher resources and professional development across the curriculum
Teacher professional development and classroom resources across the curriculum # 7.6 Central Limit Theorem
## AN AVERAGE OF AVERAGES
• According to the Central Limit Theorem, the distribution of averages of many trials is always normal, even if t... | HuggingFaceTB/finemath | |
+0
# what is the equation of the parabola whose focus is (-3,1) and directrix is Y=4?
0
107
1
what is the equation of the parabola whose focus is (-3,1) and directrix is Y=4?
Guest May 21, 2017
Sort:
#1
+17601
0
Because the directrix is a horizontal line, the parabola will be vertical.
Because the focus is below... | HuggingFaceTB/finemath | |
What is the difference between biased and unbiased dice?
Contents
A biased die is the opposite of a fair die. An unbiased dice means that there is equal probability of occurrence of any of the face when the dice is rolled. That is when you roll an unbiased dice each face has equal chance of showing i.e 1/6th chance o... | HuggingFaceTB/finemath | |
# TMOD - Editorial
Editorialist: akshayakgec
EASY-MEDIUM
# PREREQUISITES:
Basic modulo and number theory
# PROBLEM:
You are given two numbers XX & YY (XX != YY) your task is to determine count of such positive numbers KK that the remainders of X and Y when divided by K are the same. More formally you need to dete... | HuggingFaceTB/finemath | |
# 2nd PUC Basic Maths Question Bank Chapter 5 Partial Fractions Ex 5.1
Students can Download Basic Maths Exercise 5.1 Questions and Answers, Notes Pdf, 2nd PUC Basic Maths Question Bank with Answers helps you to revise the complete Karnataka State Board Syllabus and score more marks in your examinations.
## Karnataka... | HuggingFaceTB/finemath | |
Related Search
Web Results
en.wikipedia.org/wiki/Irreducible_polynomial
When the coefficient ring is a field or other unique factorization domain, an irreducible polynomial is also called a prime polynomial, because it generates a ...
math.stackexchange.com/q/361599
The prime factorization is the factorization int... | HuggingFaceTB/finemath | |
# 1.5 Vector addition (Page 3/4)
Page 3 / 4
In the figure shown below, four vectors namely a , b , c and d are combined to give their sum. Starting with any vector, we add vectors in a manner that the subsequent vector begins at the arrow end of the preceding vector. The illustrations in figures i, iii and iv begin... | HuggingFaceTB/finemath | |
Cosine Rule Help: Solving the Cut Size of a Curved Bar
• Con Air
In summary, the person is seeking help with calculating the cut size of a curved bar at work. They have the chord length and radius, and need to use the cosine rule and arc length formula to find the inner angle and resulting arc length. They were able t... | HuggingFaceTB/finemath | |
Question
# Two circles of radii 4 cm and 3 cm intersect at two points and the distance between their centres is 5 cm. Find the length of the common chord.
A
2.8 cm
No worries! We‘ve got your back. Try BYJU‘S free classes today!
B
7 cm
No worries! We‘ve got your back. Try BYJU‘S free classes today!
C
4.8 ... | HuggingFaceTB/finemath | |
14 teachers like this lesson
Print Lesson
## Objective
SWBAT generate equivalent expressions for a number. SWBAT use numbers and standard notation to record. SWBAT use known strategies to solve story problems.
#### Big Idea
So many things to do and so little time to do them in. Students will have the opportunity to... | HuggingFaceTB/finemath | |
# Comparing two methods of sampling from a bivariate normal distribution
Is it possible to have two different methods of sampling from a bivariate normal distribution with a non-identity correlation matrix in such a way that one method would "consistently" result in a sample whose sample correlation matrix is closer t... | HuggingFaceTB/finemath | |
# Ponderings from Math Class
One of the things that has me so tied up for time is my math class, precal/trig in one semester (5 credits!). However, during class I often think of random questions or observations, and I think that instead of making a post for every single one, it’d be better if I just make this single p... | HuggingFaceTB/finemath | |
The Drazin inverse and the discussion around it (p400 of C.D.Meyer) made me truly grasp some of the points about what a generalized inverse is and what is the connection between linear operators and matrices; and change of basis.
The Drazin inverse is a natural consequence of the Core-Nilpotent decomposition, accordin... | HuggingFaceTB/finemath | |
# Pattern Shape Pictures
Practices
Noticing and using mathematical structure
Representing and connecting
Topics
Subtraction
1
2
3
4
Use an App
Pattern Shapes
3MVX-15G1
How many points is each pattern shape worth?
Ava made pictures using three pattern shapes. Each pattern shape is worth a different number of points. ... | HuggingFaceTB/finemath | |
• Go To
• Notes
• Practice and Assignment problems are not yet written. As time permits I am working on them, however I don't have the amount of free time that I used to so it will take a while before anything shows up here.
• Show/Hide
• Show all Solutions/Steps/etc.
• Hide all Solutions/Steps/etc.
Paul's Online Notes... | HuggingFaceTB/finemath | |
# Density
on . Posted in Classical Mechanics Density, abbreviated as $$\rho$$ (Greek symbol rho) or DENS, also called volumetric mass density or specific mass, more precisely volumetric mass density (mass density), is the ratio of the amount of matter in an object compared to its volume. A small, heavy object, such a... | HuggingFaceTB/finemath | |
$$\require{cancel}$$
# 14.1: Heat
$$\newcommand{\vecs}[1]{\overset { \scriptstyle \rightharpoonup} {\mathbf{#1}} }$$ $$\newcommand{\vecd}[1]{\overset{-\!-\!\rightharpoonup}{\vphantom{a}\smash {#1}}}$$$$\newcommand{\id}{\mathrm{id}}$$ $$\newcommand{\Span}{\mathrm{span}}$$ $$\newcommand{\kernel}{\mathrm{null}\,}$$ $$\n... | HuggingFaceTB/finemath | |
# Square of determinant is symmetric
• I
• debjit625
#### debjit625
This property is given in my book.
The square of any determinant is a symmetric determinant.
Well it works when I take a determinant say 3x3 and multiply it by itself using row to row multiplication.
But it fails if I multiply using row to column.
... | HuggingFaceTB/finemath | |
# Homework Help: Which are bases?
1. Oct 20, 2011
### Ted123
1. The problem statement, all variables and given/known data
Which of the following sets $S$ are bases for the vector space $V=\mathbb{R}^3$?
(a) $S=\left\{ \begin{bmatrix} 1 \\ 1 \\ 0 \end{bmatrix} , \begin{bmatrix} 1 \\ 0 \\ 0 \end{bmatrix} , \begin{bm... | HuggingFaceTB/finemath | |
# A List of the SI Units of Measurement
Save
The International System of Units, or SI, is largely derived from the metric system. Consequently, SI prefixes are based on powers of 10. Positive powers, such as 10^2 = 100, lead to larger quantities, while negative powers, such as 10^-2 = 0.01, lead to smaller quantities... | HuggingFaceTB/finemath | |
# Calculate volume of hydrogen gas evolved
MCQ Question:
Ammonia borane in water can release hydrogen upon hydrolysis while forming NH4BO2 as the other product.
The volume (cm3) of hydrogen gas which will be evolved from the hydrolysis of 309 mg of ammonia borane (NH3BH3) with a purity of 90 % w/w at 27 °C and at at... | HuggingFaceTB/finemath | |
Chapter 6 >
### 6.3 Solving System of Equations by Elimination
Standard(s):
• A.REI.C.6: Solve systems of linear equations exactly and approximately (e.g., with graph), focusing on pairs of linear equations in two variables.I can use function notation to show that when f(x)=y and g(x)=y that f(x)=g(x).
Essential... | HuggingFaceTB/finemath | |
How many moles of O2 will be produced if 5 moles of the disinfectant - ProProfs Discuss
Topics
More
Products
More
# How many moles of O2 will be produced if 5 moles of the disinfectant hydrogen peroxide H2O2 decomposes?
A. 2.5 mol H2O2
B. 5 mol H2O2
C. 3 mol H2O2
D. 10 mol H2O2
This question is part of Stoichiometry... | HuggingFaceTB/finemath | |
Mathematical induction is one of the most important proof techniques in math.
This technique is like a chain of objects in the picture attached.
Actually, we use this technique in order to prove that a statement p(n) is true for any natural number n.
This technique is divided into two parts:
First part, we have to s... | HuggingFaceTB/finemath | |
For 2019, I’m trying an experiment: every couple of weeks, writing a post about a mathematical object that a) I don’t know much about and b) is named after somebody. These posts are a trial run - let me know how you find them!
The chief use of the Ackermann function, these days, is to show you can generate REALLY BIG ... | HuggingFaceTB/finemath | |
GCSE Maths Algebra
Types of Graphs
# Types of Graphs
Here we will learn about types of graphs, including straight line graphs, quadratic graphs, cubic graphs, reciprocal graphs, exponential graphs and circle graphs.
There are also types of graphs worksheets based on Edexcel, AQA and OCR exam questions, along with f... | HuggingFaceTB/finemath | |
# Homework Help: Find a vector tangent to the curve of intersection of two cylinders
1. Feb 10, 2012
### s3a
I have attached both the question and the solution.
I just have questions as to why the solution is the way it is (sorry if they seem stupid but, while I get how to do it mechanically, I don't understand the... | HuggingFaceTB/finemath | |
The OEIS is supported by the many generous donors to the OEIS Foundation.
Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
A242925 Numbers k such that lambda(k) divides Sum_{j=1..k} lambda(j). 1
1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 15, 16, 18, 19, 20, 24, 30, 31, 34, 40, 42, 44, 60, 72, 80, 83, 130... | HuggingFaceTB/finemath | |
## Calculating present value of money in future
A central concept in business and finance is the time value of money. We will use easy to follow examples and calculate the present and future value of both sums of money and annuities. The present value and future value of money, There is a tacit assumption behind calcu... | HuggingFaceTB/finemath | |
# U substitution on ∫sin(x^5)dx
## Homework Statement
Use Part 2 of the Fundamental Theorem of Calculus to find the derivative.
$$\int_3^x sin(t^{5}) \, dt$$
## The Attempt at a Solution
I know the general idea of what I'm supposed to do as far as evaluate the indefinate integral and then do a subtraction of the u... | HuggingFaceTB/finemath | |
# Conjugation family
## Definition
Let $G$ be a finite group and $P$ be a $p$-Sylow subgroup of $G$, for some prime $p$. A conjugation family for $S$ in $G$ is a family $\mathcal{F}$ of subgroups of $P$, such that the following holds.
### In terms of right actions
Whenever $A$ and $B$ are subsets of $P$ such that $... | HuggingFaceTB/finemath | |
# Homework Help: Complex analysis: Integration
1. Jun 12, 2009
### Niles
1. The problem statement, all variables and given/known data
Hi all.
I have the following integral:
$$I = \int_{2 - i\infty}^{2+i\infty}{f(s) \exp(st)ds},$$
where $f(s)$ is some function. In order to perform this integral, I will choose to c... | HuggingFaceTB/finemath | |
## Intermediate Algebra (12th Edition)
$2s^{2}+3st-5t^{2}$
We are given the expression $(s-t)(2s+5t)$. We can find the product of this expression using the FOIL method. First terms: $s\times 2s=2s^{2}$ Outer terms: $s\times5t=5st$ Inner terms: $3-t\times 2s=-2st$ Last terms: $-t\times5t=-5t^{2}$ Adding together: $2s^{... | HuggingFaceTB/finemath | |
# What is friction, limiting equilibrium and the coefficient of friction?
### What is friction, limiting equilibrium and the coefficient of friction µ?
In this tutorial I show you and introduce the equation F = µR.
## Example 1 – Horizontal Plane
A block of mass 20 kg rests on a rough horizontal plane. The coeffici... | HuggingFaceTB/finemath | |
# Sets with all or none of the elements also being subsets - Cohn - Classic Algebra Page 11
Give examples of sets such that $(i)$ all and $(ii)$ none of their members are also subsets
Firstly I should make sure I understand this correctly: The subsets of the set $S=\{\emptyset,1,2,3\}$ are $\emptyset,\{1\},\{2\},\{3\... | HuggingFaceTB/finemath | |
```Topical Test Additional Mathematics
1.
Diagram
1
shows
the
graph
of
3.
Find the range of the values of x for which
3x(2 x 1) 2(2 x 5) .
[3 marks]
4.
The function g(x) = (x - h)2 + k intersects the x-axis at
(1, 0) and (16, 0)
(a)
Find the values of h and k.
(b)
State the maximum or minimum value (as
appropriat... | HuggingFaceTB/finemath | |
# Differentiability
#### Kristina123
##### New member
Are my answers sufficient to appropriately answer the question? Or, do I need to add more explanations? I want to explain further why it is differentiable and not differentiable
Thanks!
#### Otis
##### Elite Member
Hi Kristina. Part (b) asks where function f i... | HuggingFaceTB/finemath | |
# algebra
posted by .
Mandi can be paid in one of two ways: Plan A-- A salary of \$400 per month, plus a commission of 8% gross sales; or Plan B-- A salary of \$610 per month, plus a commission of 5% of gross sales. For what amount of gross sales should Mandi select Plan A?
I have no idea how to write an inequality ... | HuggingFaceTB/finemath | |
1 / 11
# States of matter
States of matter. solids. liquids. gases. shape of container. independent. fixed shape. very small volumes. Kinetic model of gases. in constant motion. “elastic” collisions. Pressure. = force. force =. collisions of particles. area. 14.7 lbs. sea level. atmospheric pressure.
## States of ma... | HuggingFaceTB/finemath | |
# Difference between revisions of "2002 AMC 10B Problems/Problem 19"
## Problem
Suppose that $\{a_n\}$ is an arithmetic sequence with $$a_1+a_2+\cdots+a_{100}=100 \text{ and } a_{101}+a_{102}+\cdots+a_{200}=200.$$ What is the value of $a_2 - a_1 ?$
$\mathrm{(A) \ } 0.0001\qquad \mathrm{(B) \ } 0.001\qquad \mathrm{(C... | HuggingFaceTB/finemath | |
# How do you find the value of -2(3^2+8)?
Oct 25, 2016
$- 34$
#### Explanation:
When evaluating expressions with $\textcolor{b l u e}{\text{mixed operations}}$ there is a particular order which we must follow.
Follow the order as set in the acronym PEMDAS.
$\Rightarrow \left({3}^{2} + 8\right) = \left(9 + 8\right... | HuggingFaceTB/finemath | |
# How do you solve 4x - 12= 2( 2x - 6)?
May 11, 2018
$x = 0$
#### Explanation:
$4 x - 12 = 2 \left(2 x - 6\right)$
RH side:
Distribute (multiply) the 2 to the values in the parenthesis
$12 x - 12$
Now lets put it all together
$4 x - 12 = 12 x - 12$
Subtract 4 to both sides
$- 12 = 8 x - 12$
Add 12 to both s... | HuggingFaceTB/finemath | |
# BDA3 Chapter 2 Exercise 12
Here’s my solution to exercise 12, chapter 2, of Gelman’s Bayesian Data Analysis (BDA), 3rd edition. There are solutions to some of the exercises on the book’s webpage.
Suppose $$\theta$$ has a Poisson likelihood so that $$\log p(y \mid \theta) \propto y \log(\theta) - \theta$$. We will f... | HuggingFaceTB/finemath | |
## Monday, November 14, 2011
### SnippetCompiler
From time to time I need to try something out in C# in a few lines of code. It's always a bit of a pain setting up a new Visual Studio solution for the purpose (I've traditionally used a PlayPen project for this). I've recently discovered this little gem: SnippetCompi... | HuggingFaceTB/finemath | |
top of page
Search
• APSEd
# Population Forecasting Methods | Formulas | Example Problems | Practice Problem
Population forecasting is a method to predict/forecast the future population of an area. Usually, the population at the design period of water supply systems is predicted to find the water demand at that time,... | HuggingFaceTB/finemath | |
Tag Archives: means
The mean ? Which mean ? With interesting ratios.
Playing around with the Harmonic Mean of two numbers I stumbled on an interesting ratio, and looked at the others as well.
Here are the definitions, for numbers a and b If we use m for the mean, then
for the arithmetic mean we have the ratio (b-m)... | HuggingFaceTB/finemath | |
# Chain, Product and Quotient Rule: Summary
by Batool Akmal
(1)
My Notes
• Required.
Learning Material 2
• PDF
DLM Quotient Rule, Chain Rule and Product Rule Calculus Akmal.pdf
• PDF
Report mistake
Transcript
00:01 So there we have it, the three rules, and examples and their proofs.
00:06 So hopefully we're fully c... | HuggingFaceTB/finemath | |
# $30,681 in 1999 is worth$41,424.69 in 2011
$30,681 in 1999 has the same purchasing power as$41,424.69 in 2011. Over the 12 years this is a change of $10,743.69. The average inflation rate of the dollar between 1999 and 2011 was 2.51% per year. The cumulative price increase of the dollar over this time was 35.02%. ##... | HuggingFaceTB/finemath | |
# Difference between revisions of "2008 AMC 10B Problems/Problem 13"
## Problem
For each positive integer $n$, the mean of the first $n$ terms of a sequence is $n$. What is the $2008^{\text{th}}$ term of the sequence?
$\mathrm{(A)}\ {{{2008}}} \qquad \mathrm{(B)}\ {{{4015}}} \qquad \mathrm{(C)}\ {{{4016}}} \qquad \m... | HuggingFaceTB/finemath | |
# Maths and Physics➝Primes Tables
Don't you wish multiplication was as easy as addition? Well, if you think about it, you'll see that actually it is. The only problem is our need to interpret the result in terms of the number system we're all familiar with. But hey, let's forget that. The idea is simple: every number ... | HuggingFaceTB/finemath | |
# Can someone help me with this formula?
I'm writing a software algorithm at the moment which compares survey answers.
Questions have $5$ possible answers, and a respondent could choose between 1 and 5 answers.
What I'd like to do, for each respondent, for each question, is calculate how strongly they feel about the... | HuggingFaceTB/finemath | |
# Conservation of Energy Formula
• Last Updated : 14 Mar, 2022
Energy can be defined as the ability to perform work in physics. Law of Conservation of Energy states that energy cannot be made or destructed in any process. It may, however, be changed from one form to another. The overall energy contained in the isolat... | HuggingFaceTB/finemath | |
Find all School-related info fast with the new School-Specific MBA Forum
It is currently 26 Aug 2016, 23:59
### 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... | HuggingFaceTB/finemath | |
# If gas occupies 56.44 L at 2.000 atm and 310.15 K. If the gas is compressed to 23.52 L and the temperature is lowered to 8.00 degrees C, what's the new pressure?
Jul 1, 2014
Use the combined gas law equation to work this problem.
$\frac{{P}_{1} {V}_{1}}{{n}_{1} {T}_{1}} = \frac{{P}_{2} {V}_{2}}{{n}_{2} {T}_{2}}$
... | HuggingFaceTB/finemath | |
WORK DONE
(i) By Constant force
W = (f cosq) S
Work done by constant force = (force). (Displacement in direction of force
= (displacement). (force in direction of displacement)
W=F.S
W = FS Cos
Here W is Scalar but it may be +, ─, and zero
Work done will be equal to zero if
(i) Cosq = 0 = q = 90o = F ^ S or F ... | HuggingFaceTB/finemath | |
## Easy sum
For students upto class 5 (age upto 12)
Raiyan Jamil
Posts: 138
Joined: Fri Mar 29, 2013 3:49 pm
### Easy sum
The product of two numbers is 1000 . If non of the numbers have a zero as their digits , what is their sum ?
A smile is the best way to get through a tough situation, even if it's a fake smile.
... | HuggingFaceTB/finemath | |
## 50839
50,839 (fifty thousand eight hundred thirty-nine) is an odd five-digits prime number following 50838 and preceding 50840. In scientific notation, it is written as 5.0839 × 104. The sum of its digits is 25. It has a total of 1 prime factor and 2 positive divisors. There are 50,838 positive integers (up to 5083... | HuggingFaceTB/finemath | |
# Huber space-9
In this post, we will study more closely the generizations of a valuation.
Before all, we should make an important remark: suppose that $v:A\rightarrow\Gamma\bigcup\{0\}$ is a valuation, $\pi:A\rightarrow K(v)$ is the canonical morphism, $H$ is a convex subgroup of $\Gamma$ and $p\subset A(v)$ the pri... | HuggingFaceTB/finemath | |
# How do you find the square root of 13?
##### 2 Answers
Write your answer here...
Start with a one sentence answer
Then teach the underlying concepts
Don't copy without citing sources
preview
?
#### Answer
Write a one sentence answer...
#### Explanation
Explain in detail...
#### Explanation:
I want someone to d... | HuggingFaceTB/finemath | |
# Check Machin-like formulae with arbitrary-precision arithmetic
Happy New Year to all of you! Let us start the year with something for your inner maths nerd 🙂
For those of you who don’t yet know Rosetta Code: it is a really cool site where you can find lots of interesting code examples in all kinds of different l... | HuggingFaceTB/finemath | |
Home/CBSE, SSC/Algebra Formulas Class 10
## Introduction:
Algebra is a branch of mathematics dealing with symbols and the rules for number theory, geometry and analysis. The basic form of Algebra is elementary algebra. The symbols are written as Latin and Greek letters which represents values referred to as variables... | HuggingFaceTB/finemath | |
222
Balance Sheet \$type=three\$count=6\$author=hide\$comment=hide\$label=hide\$date=hide\$show=home\$s=0
Accounting equation is the base of accounting. If you are new in learning of accounting you should learn accounting equation example. With this accounting equation example, you can clear your fundamentals in acco... | HuggingFaceTB/finemath | |
# How to reduce Untyped λ-Calculus to Normal Form?
I have an assignment to do which involves reducing an Untyped λ-Calculus expression to Normal Form. I am struggling to come to terms with Lambda Calculus though.
For example, one small part of the expression is:
((λ n f x . n f (f x)) (λ f x . x))
Does this mean t... | HuggingFaceTB/finemath | |
1. ## p-groups
I have this Lemma: If $\displaystyle G$ is a finite abelian group whose order is divisible by a prime $\displaystyle p$, then $\displaystyle G$ contains an element of order $\displaystyle p$.
I have shown that for $\displaystyle x \in G$, $\displaystyle x \ne \{{1}\}$ and order of $\displaystyle x$ is ... | HuggingFaceTB/finemath | |
# A roller is 4 m long and has a diameter of 0.7 m. It takes exactly 2000 rotations of the roller to level a road. If the cost of using the roller is Rs. 4 per square metres, then the total cost of levelling the road is :assume π = 22/7
This question was previously asked in
CMAT 2021 Slot 2 Official Paper
View all CMA... | HuggingFaceTB/finemath | |
# How do you find the indefinite integral of int 1/(xlnx^3)?
Dec 12, 2016
$\int \frac{\mathrm{dx}}{x \ln {x}^{3}} = \frac{1}{3} \ln \left(\ln x\right) + C$
#### Explanation:
We begin by exploiting the properties of logarithms and write:
$\int \frac{\mathrm{dx}}{x \ln {x}^{3}} = \int \frac{\mathrm{dx}}{3 x \ln x}$
... | HuggingFaceTB/finemath | |
### Problem Statement
Note to plugin users: this problem contains images which may not display properly with some plugins
Figurate numbers are numbers which form a scalable pattern of nested geometric figures. The hexagonal numbers (1,6,15,28,45,66,91,120,153...) form the following figures with points arranged in a p... | HuggingFaceTB/finemath | |
# A 5.00*g mass of "sodium bicarbonate" requires WHAT volume of 3.00*mol*L^-1 HCl for stoichiometric equivalence?
Aug 17, 2017
We need (i) a stoichiometric equation.....and (ii) we need approx. $20 \cdot m L$ of the acid solution.
#### Explanation:
$N a H C {O}_{3} \left(a q\right) + H C l \left(a q\right) \rightar... | HuggingFaceTB/finemath | |
×
### Let's log you in.
or
Don't have a StudySoup account? Create one here!
×
or
## Physics 2080 Exam 2 Study Guide
by: Amanda Biddlecome
121
5
9
# Physics 2080 Exam 2 Study Guide Physics 2080
Marketplace > Clemson University > Physics 2 > Physics 2080 > Physics 2080 Exam 2 Study Guide
Amanda Biddlecome
Cle... | HuggingFaceTB/finemath | |
This is an archived post. You won't be able to vote or comment.
[–] 1 point2 points (4 children)
If the set of all sets that do not contain themselves does not contain itself, then it must be included in it. But then it contains itself and must be discluded. But then it doesn't contain itself and must be added back.... | HuggingFaceTB/finemath | |
### CAP 201a - Computer Animation I
#### Lesson 8 - Using Compound Objects
##### Objectives:
This lesson discusses using multiple shapes to create an object. Objectives important to this lesson:
1. Boolean operations with shapes
2. The Loft tool
3. The Scatter tool
##### Concepts:
The lesson begins by defining Boo... | HuggingFaceTB/finemath | |
All about flooble | fun stuff | Get a free chatterbox | Free JavaScript | Avatars
perplexus dot info
super powerful pandigitals (Posted on 2009-02-24)
1) Find all the 0 to 9 pandigital numbers (without leading zero) that have the largest power of 3 as a factor.
2) One of these numbers has a very interesting propert... | HuggingFaceTB/finemath |
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.