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Introduction
A yield curve depicts the returns of fixed income securities against their term, or time to maturity. In this article, we explain the role that the discount function and forward rates have in the creation of a yield curve and compare different methodologies to fit the yield curve, namely, bootstrapping, s... | open-web-math/open-web-math | |
#### The values most problems we answer the dispersion in a common
##### Thus the dispersion with interval
Explain it weighs outliers are near the given below one must be the example the variance and resources in terms are different categories relative value? Asymmetrical and we square root standard deviation is stud... | HuggingFaceTB/finemath | |
# Finite Element Method Questions and Answers – Axis Symmetric Formulation
This set of Finite Element Method Multiple Choice Questions & Answers (MCQs) focuses on “Axis Symmetric Formulation”.
1. Consider an Axisymmetric problem of which is having a radius of r, rotational angle θ and length l. Then r dl dθ is known ... | HuggingFaceTB/finemath | |
FractionalGeometry-Chap2
# 13 because the second iteration consists of 9 squares
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Unformatted text preview: traction factor, consider the scaling needed to take a side of the initi... | HuggingFaceTB/finemath | |
# math
posted by .
The function D(h)=7e^-0.4(h) can be used to determine the milligrams D of a certain drug in a patient's bloodstream h hours after the drug has been given. How many milligrams will be present after 9 hours. Round three decimal places.
so 7e^(-0.4 x 9) = .191
To get this answer I used a TI-83 calcu... | HuggingFaceTB/finemath | |
# Torque, Angular Momentum, & Angular Velocity test corrections
I've got 3 problems that I got wrong on my most recent test (college 1st year physics). I need to figure out what I did wrong and hopefully someone here can help me.
I know all my answers are wrong because I got marked wrong but I'm unsure why, or if ther... | HuggingFaceTB/finemath | |
# How to do long division of 5555 / 55
I know this might seem silly, but I am having trouble performing step-by-step long division on $5555 \div 55$.
My main problem is that I don't know when or what the rule is about putting the zeroes. I end up with eleven the way I was taught to calculate it.
-
"Bring down" the d... | HuggingFaceTB/finemath | |
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Community Tip - Visit the PTCooler (the community lounge) to get to know your fellow community members and check out some of Dale's Friday Humor posts! X
7-Bedrock
## Returning Vector
I do not understand why the result being returned ... | HuggingFaceTB/finemath | |
# How to calculate the p-value of a log-odds ratio, given that the variance depends on the observed frequencies?
I am a bit confused about how people calculate p-value when calculating odds-ratios.
The log-odds ratio (LOR) for a contingency table with two entries is $$L = \log \frac{p_{1}}{p_{0}}$$ and has an unbiase... | HuggingFaceTB/finemath | |
# Chapter 2 Weighted Voting Systems
Document Sample
``` Chapter 2 Weighted Voting
Systems
2.1 Terminology
Weighted voting system —any formal voting
arrangement in which voters are not necessarily
equal in terms of the number of votes they
control.
Motions —only consider yes-no votes or
“motions”—a vote b... | HuggingFaceTB/finemath | |
For every integar K from 1 to 10 inclusive the Kth term of a : PS Archive
Check GMAT Club Decision Tracker for the Latest School Decision Releases http://gmatclub.com/AppTrack
It is currently 20 Jan 2017, 19:14
GMAT Club Daily Prep
Thank you for using the timer - this advanced tool can estimate your performance and... | HuggingFaceTB/finemath | |
# 2017 - WAEC Physics Past Questions & Answers - page 1
1
The diagram above is a micrometer screw gauge. Determine its reading.
A
2.44mm
B
2.46mm
C
2.86mm
D
2.96mm
CORRECT OPTION: b
2
Which of the following is the dimension for impulse?
A
MLT$$^{-1}$$
B
MLT$$^{-2}$$
C
MLT
D
ML
CORRECT OPTION: a
Impulse = Force $$... | HuggingFaceTB/finemath | |
ism_chapter_12
# Ism_chapter_12 - 911 Chapter 12 Static Equilibrium and Elasticity Conceptual Problems 1 • a False The conditions ∑ = i i F r and ∑ = i i τ r
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View Full D... | HuggingFaceTB/finemath | |
1. ## ACT Stuff
Which of the following points lies on the perimeter of the circle given by the equation (x-2)squared+ (y+5)squared = 16?
A. (2,-5)
B. (2,-1)
C. (-2,5)
D. (-2,1)
E. (square root of 2, square root of 5)
How do i even go about finding out the options? -confuzzled-
2. $(x-2)^2 + (y+5)^2 = 16$
Each of th... | HuggingFaceTB/finemath | |
## Friday, November 27, 2015
### Using the geometric distribution to model myopic investment behavior
Question Three: A broker calls a person once a month to urge him to invest in the Spartan 500 Index fund FUSVX The likelihood that the person will make this purchase is geometrically distributed with the probabil... | HuggingFaceTB/finemath | |
Physics
Relativistic mass
When Special Relativity is being introduced at school (if it is at all - the curriculum might depend on your country and it can change in time), one of the notions being discussed is so called "relativistic mass".
One of the consequences of relativity is that faster moving objects are harde... | HuggingFaceTB/finemath | |
# LCM of given array elements
Last Updated : 04 Apr, 2023
Given an array of n numbers, find the LCM of it.
Example:
Input : {1, 2, 8, 3}
Output : 24
Input : {2, 7, 3, 9, 4}
Output : 252
Method 1 :
We know,
The above relation only holds for two numbers,
The idea here is to extend our relation for more than 2 num... | HuggingFaceTB/finemath | |
# Answers
Solutions by everydaycalculation.com
## Add 18/2 and 42/60
1st number: 9 0/2, 2nd number: 42/60
18/2 + 42/60 is 97/10.
#### Steps for adding fractions
1. Find the least common denominator or LCM of the two denominators:
LCM of 2 and 60 is 60
2. For the 1st fraction, since 2 × 30 = 60,
18/2 = 18 × 30/2 ×... | HuggingFaceTB/finemath | |
# SOLVING EQUATIONS WITH FRACTIONS
The following steps will be useful to solve equations with fractions.
Step 1 :
Find the least common multiple of denominators of all the fractions found in the given equation.
Step 2 :
Multiply both sides of the equation by the least common multiple found in step 1.
Step 3 :
No... | HuggingFaceTB/finemath | |
## mardi 1 septembre 2009
### Two more than two make four, but why?
One can analyse the proposition with its constituents by counting different ways, but ultimately the sentence reposes on some intuitions:
- numbers are exact, and each is different from each of the other
- numbers differ minimally by one
- the more ... | HuggingFaceTB/finemath | |
# anthony morales
More Options: Make a Folding Card
#### Storyboard Description
This storyboard does not have a description.
#### Storyboard Text
• This is how you solve equations.
• Step1:Look at the equation. Are these any grouping symbols like ( ) or { }.
• Step2: look at each side of the equation. are there li... | HuggingFaceTB/finemath | |
Invertibility
### Definition
Suppose $h[n]$ or $h(t)$ is the impulse response.
If an LTI System is invertible it has an LTI Inverse.
The LTI System with impulse response $h[n]$ or $h(t)$ is invertible if $\exists$ an $h_1[n]$ or $h_1(t)$ such that:
(1)
\begin{align} h[n]*h_1[n]=\delta[n] \end{align}
(2)
\begin{ali... | HuggingFaceTB/finemath | |
Categories
# Prime factor of last page – Pre RMO 2018 Problem 1 Discussion
A book is published in three volumes, the pages being numbered from 1 onwards. The page numbers are continued from the first volume to the third. The number of pages in the second volume is 50 more than in the first volume, and the numberpage... | HuggingFaceTB/finemath | |
TheInfoList
A number is a mathematical object used to count, measure, and label. The original examples are the natural numbers 1, 2, 3, 4, and so forth. Numbers can be represented in language with number words. More universally, individual numbers can be represented by symbols, called ''numerals''; for example, "5" is... | HuggingFaceTB/finemath | |
PDA
View Full Version : How to calculate odds?????
craigbeez
01-05-2004, 04:01 PM
Can someone explain to me in detail how to calculate the odds after the flop, turn, river?
Thank you in advance,
Craig
SossMan
01-06-2004, 06:09 PM
First you go to Borders.
Then you buy Winning Low Limit Poker by Lee Jones or Hold'em ... | HuggingFaceTB/finemath | |
Ph1a-2007-HW1-soln
# Ph1a-2007-HW1-soln - Ph1a Solutions 1 Chefung...
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Unf... | HuggingFaceTB/finemath | |
# Continuous functional calculus
In mathematics, particularly in operator theory and C*-algebra theory, a continuous functional calculus is a functional calculus which allows the application of a continuous function to normal elements of a C*-algebra.
## Theorem
Theorem. Let x be a normal element of a C*-algebra A w... | open-web-math/open-web-math | |
GMAT Question of the Day - Daily to your Mailbox; hard ones only
It is currently 17 Nov 2019, 23:06 ### 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.
Customized... | HuggingFaceTB/finemath | |
# 1267. Count Servers that Communicate
## Description
You are given a map of a server center, represented as a m * n integer matrix grid, where 1 means that on that cell there is a server and 0 means that it is no server. Two servers are said to communicate if they are on the same row or on the same column.
Return t... | HuggingFaceTB/finemath | |
# TRIGONOMETRY - Sum and Difference Identities
sin (A + B) = sin A cos B + cos A sin B
sin (A - B) = sin A cos B - cos A sin B
cos (A + B) = cos A cos B - sin A sin B
cos (A - B) = cos A cos B + sin A sin B
## Solved Problems
Problems 1-4 : Use the trigonometric ratio table given below to evaluate the given trigo... | HuggingFaceTB/finemath | |
# Christmas Math Activities
Subject
Resource Type
Common Core Standards
Product Rating
4.0
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File Type
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38 MB|159 pages
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Product Description
Christmas Math Activities - 12 Math Tasks
Keep your students engaged and learning in the lead up to Christmas. Explore number with the... | HuggingFaceTB/finemath | |
# Homework Help: Buoyant force problem
1. Apr 9, 2006
### kellyneedshelp
Hi, I am having some trouble with the following question:
You (mass 70.1 kg) decide to take off--literally--with a helium balloon of mass 31.6 kg. The densities of air and helium are air = 1.321 kg/m3 and helium = 0.179 kg/m3. What volume of h... | HuggingFaceTB/finemath | |
In [1]:
%matplotlib inline
from IPython.html.widgets import interact
from scipy import stats
import seaborn as sns
import pandas as pd
Previously, we talk about maximum likelihood estimation and maximum a-posteriori estimation and in each case we started out with a probability density function of some kind and we fu... | HuggingFaceTB/finemath | |
# OP-AMP question?
Discussion in 'Homework Help' started by error404, Apr 25, 2010.
1. ### error404 Thread Starter New Member
Apr 25, 2010
5
0
How can i find Vo voltage and Io current? This question is very complicated for me. Please help me.
2. ### Wendy Moderator
Mar 24, 2008
21,529
2,973
The op amp will likely... | HuggingFaceTB/finemath | |
#### Brain Teaser - Chalked Numbers
Enjoy this vintage math puzzle from years gone by and an excellent brain teaser to tickle your mind.
"We laughed greatly at a pretty jest on the part of Major Trenchard, a merry friend of the Squire's. With a piece of chalk he marked a different number on the backs of eight lads wh... | HuggingFaceTB/finemath | |
# 1% solution of other compound is isotonic with 5% sucrose (sugar) solution. Then molecular wt. of compound will be
Jayant Kishore
144 Points
6 years ago
Dear Yogiraj,
5 % sucrose solution means 5g of sucrose in 100ml Solution ie 50g sucrose in 1 litre solution.
Molality of sucrose solution = 50/Mol Wt. = 50/342
Osmo... | HuggingFaceTB/finemath | |
You are on page 1of 19
# Numerical Methods For Engineers
## Chapter 1 Error Analysis
Introduction
Numerical methods are techniques for solving problems numerically using computer or calculator (in old days by hand)
This method is capable in solving mathematical problems which are often impossible to solve analytic... | HuggingFaceTB/finemath | |
Search a number
BaseRepresentation
bin11111011000111100100
31221020221120
43323013210
5230403310
634013540
711512530
oct3730744
91836846
101028580
11642873
124172b0
132a0237
141cabc0
15154b70
hexfb1e4
1028580 has 96 divisors (see below), whose sum is σ = 3440640. Its totient is φ = 224640.
The previous prime is 10285... | HuggingFaceTB/finemath | |
# Trigonometry : Determine Vertical Shifts
## Example Questions
### Example Question #1 : Determine Vertical Shifts
Let be a function defined as follows:
The 4 in the function above affects what attribute of the graph of ?
Amplitude
Period
Phase shift
Vertical shift
Vertical shift
Explanation:
The period of... | HuggingFaceTB/finemath | |
Mr. Astrophysicist
Senior Members
45
1. Are mathematical constants equivalent to Infinity?
Yeah we did, but I did make a little tweak, elucidating that the value is not affected by numbers
2. Infinity in mathematics
Infinity is really unknown and generally unclear. It appears in several papers of mathematics and p... | HuggingFaceTB/finemath | |
Download Download Presentation 5-1
5-1
Télécharger la présentation 5-1
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Presentation Transcript
1. 5-1 Least Common Multiple Course 1 Warm Up Problem of the Day Lesson Presentation
2. Warm Up Write the... | HuggingFaceTB/finemath | |
# SOLUTION: Solve each inequality. Then check your solutions. 1.-y ≤36 2. 5/14 ≥-2e/7 thanks for the help
Algebra -> -> SOLUTION: Solve each inequality. Then check your solutions. 1.-y ≤36 2. 5/14 ≥-2e/7 thanks for the help Log On
Ad: Mathway solves algebra homework problems with step-b... | HuggingFaceTB/finemath | |
Percentage Calculator
# How calculate 5% of 110?
A simple way to calculate percentages of X
5% of 110 = 5.5 110 + 5% = 115.5 110 - 5% = 104.5
What is Calculate the percentage: %
In the store, the product costs 110, you were given a discount 5 and you want to understand how much you saved.
Solution:
Amount saved... | HuggingFaceTB/finemath | |
It is currently 17 Jan 2018, 07:15
### 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.
Customized
for You
we will pick new questions that match your level based o... | HuggingFaceTB/finemath | |
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PICTURES WITH WHEEL OF THEODORUS
13 Best Wheel of Theodorus images | Pythagorean theorem
The Wheel of Theodorus In this week's the topic of irrational numbers came up. Growing Mathematical Minds: The Wheel of Theodorus Great way to review and practice the Pythagor... | HuggingFaceTB/finemath | |
What is Second Law of Thermodynamics? Statement, Examples, Equation
Rate this post
Hello guys, how are you? hope you all are very fine and enjoying Our article on the daily basis. In this article, we will tell you about the second law of thermodynamics. the second law of thermodynamics states that heat cannot transfe... | HuggingFaceTB/finemath | |
# Trouble with tension
Two persons A & B are pulling the two ends of a rope (As people do in tug war).Person A pulls rope with a force=10N and the person B is pulling another end of the rope with a force =20N. According to Newton's 3rd, rope will also pull person A with force=10N and B with a force=20N. It means tensi... | HuggingFaceTB/finemath | |
# Number Theory¶
Sage has extensive functionality for number theory. For example, we can do arithmetic in $$\ZZ/N\ZZ$$ as follows:
sage: R = IntegerModRing(97)
sage: a = R(2) / R(3)
sage: a
33
sage: a.rational_reconstruction()
2/3
sage: b = R(47)
sage: b^20052005
50
sage: b.modulus()
97
sage: b.is_square()
True
Sag... | HuggingFaceTB/finemath | |
# Proving by PigeonHole Principle?
Show that among any 52 integers, there are two whose sum or difference is divisible by 100.
Assume all the integers are placed into boxes based on their remainders, then there must be one box y that contains two integers.
If, (a - b) = (100x + y) - (100z + y), where x,z are integer... | HuggingFaceTB/finemath | |
# Subgroups and Cosets
I'm trying to teach myself Cosets. Can anyone help with this question:
Let $G$:= $\Sigma_6$ and $x$ = $(123)(456)$ $\in$ $\Sigma_6$. Determine $C_G$($x$) by finding a set $S \subseteq G$ with $C_G$($x$) = $\langle$ $S$ $\rangle$.
Hint: Consider the subgroup $H$ $\leq$ $C_G$($x$) consisting of ... | HuggingFaceTB/finemath | |
Consider the following problem.
We have a stream of incoming data, $\mathbb{S} = X_1, X_2, \dots, X_N$.
$N$ is not known in advance (i.e. $N$ is random) and is potentially very very big.
The task is to draw a sample $S \subseteq \mathbb{S}$ of size $k \ge 1$ such that $P(X_i \in S) = \min (k / N, 1)$ for any $i \leq... | HuggingFaceTB/finemath | |
Question
In an animal shelter with $30$ animals, each of which is either a cat or a dog, $12$ out of $15$ dogs have long fur and $11$ out of $15$ cats have long fur. what is the probability that in a randomly selected group of five animals from the shelter, there will be two long-furred dogs and three long-furred cats... | HuggingFaceTB/finemath | |
# Procedures as Values
In this lab, you will experiment with many variations of the concept of using procedures as values.
## Exercises
### Exercise 1: Tally
Here are three procedures with similar structures. The first one finds out how many even numbers there are in a given list of integers; the second finds out h... | HuggingFaceTB/finemath | |
# Modified Newtonian Dynamics (MOND) as a Solution to the Cosmic Mass Discrepancy Problem
Steven Paul Keyte[1], Faculty of Science, Monash University
## Abstract
Keywords: Cosmology, dark matter, galaxy dynamics, gravity, gravitational lensing.
## Introduction
The cosmic mass discrepancy problem is one of the most... | open-web-math/open-web-math | |
# Using Undetermined Coefficients to solve an equation for a particular solution?
1. Oct 18, 2014
### KevinD6
1. The problem statement, all variables and given/known data
$y'' + 9y = 3sin(3x) + 3 + e^{3x}$
2. Relevant equations
3. The attempt at a solution
This is my first post here so let me know if I've done any... | open-web-math/open-web-math | |
1. counting
how many different strings can be made from the letters on orono using some or all of its letters
I know how to find the strings with all letters : 5!/3! but how do I find out the stings of different lengths?
2. Hello sss
Originally Posted by sss
how many different strings can be made from the letters on... | HuggingFaceTB/finemath | |
# SOLUTION: How can I find the solution to this problem? "Assume that is an angle in standard position whose terminal side contains the point (-24, 7). Find the exact values for the trig funct
Algebra -> Algebra -> Trigonometry-basics -> SOLUTION: How can I find the solution to this problem? "Assume that is an angle... | HuggingFaceTB/finemath | |
# LPTHW - Exercise 21: Functions Can Return Something
LPTHW - Exercise 21
Well it feels like I'm finally getting somewhere. Learning the basics over and over again as I am (I'm also doing the Odin Project) gets a bit demoralising. Finally getting to this stage here (and prety much the same stage in the Odin Project) ... | HuggingFaceTB/finemath | |
# Changes: Decibel
Back to page
The decibel (dB) is a measure of the ratio between two quantities, and is used in a wide variety of measurements in acoustics, physics and electronics. While originally only used for power and intensity ratios, it has come to be used more generally in engineering. The decibel is widely... | HuggingFaceTB/finemath | |
PDA
View Full Version : Please Confirm a Few Rules of Thumb
Festus22
09-26-2003, 08:45 AM
I know the numbers aren't exact but it's what I've been using and I'd like someone to confirm.
If a pair flops, there's roughly an 8% chance per opponent that someone will have made trips (assuming you don't have one of course)... | HuggingFaceTB/finemath | |
## What is Power and How Do We Calculate Sample Size?
One of the favourite sections of the Statistics for Non-Statisticians Course is the section on Sample Size and Power. If you've never done sample sizing yourself before or would just like a little more insight into how it is done then read on.
In a protocol you us... | HuggingFaceTB/finemath | |
# A car of mass 400kg is moving with a velocity of 20m/sec. A force of 200N acts on it for 2 minutes.
77 views
in Physics
A car of mass 400kg is moving with a velocity of 20m/sec. A force of 200N acts on it for 2 minutes. Find the velocity of the vehicle:
(i) When the force acts in the direction of motion.
(ii) Whe... | HuggingFaceTB/finemath | |
# Area between two curves
Find the Area between the two functions.
http://www4a.wolframalpha.com/Calculate/MSP/MSP16151chba72gif4040fg0000686h2hea7f943994?MSPStoreType=image/gif&s=54&w=381.&h=306.&cdf=Coordinates&cdf=Tooltips [Broken]
I know the bounds are from x=[-1,1] which gives me the equation...
∫ 2/(1+x4) - x2... | HuggingFaceTB/finemath | |
First of all it is important to know how many points apply to each grade you receive. The following is a list which includes all possible grades and the points attached to them:
2001 – Present
A+ Superior 4.0
A Superior 4.0
A- Superior 3.67
B+ Above Average 3.33
B Above Average 3.0
B- Above Average 2.67
C+ Average 2.... | HuggingFaceTB/finemath | |
# $L^\infty$ bound on solution of $u_t -\Delta u =f$ where $f \in L^\infty$ and $u_0 \in L^\infty$??
Let $u_0 \in L^\infty(\Omega)$ and $f \in L^\infty((0,T)\times\Omega)$ and consider $$u_t - \Delta u = f$$ $$u(0) = u_0$$ with some boundary conditions. Consider the weak form
$$\int_{\Omega}u_t\varphi + \int_{\Omega}... | open-web-math/open-web-math | |
## Section5.42D Rigid Body Equilibrium
Two-dimensional rigid bodies have three degrees of freedom, so they only require three independent equilibrium equations to solve. The six scalar equations of (5.3.3) can easily be reduced to three by eliminating the equations which refer to the unused $$z$$ dimension. For object... | HuggingFaceTB/finemath | |
# 1.2.7 pV throughput
Dividing the general gas equation (Formula 1-6) by time t obtains the gas flow
$q_{pV}=\frac{p\cdot V}t = \frac{m\cdot R\cdot T}{M\cdot t}$
Formula 1-15: pV throughput
$q_{pV}$ pV throughput [Pa m3 s-1]
As can be seen from the right-hand side of the equation, a constant mass flow is displac... | HuggingFaceTB/finemath | |
# LeetCode problem #34 — Find First and Last Position of Element in Sorted Array (JavaScript)
In this LeetCode problem, we’re given an array of ascending numbers, and a target number, and asked to find both the first and last index of the target number in the array. In other words, given the array `[1, 2, 3, 4, 5]` an... | HuggingFaceTB/finemath | |
m
• D
F Nous contacter
0
Documents : Post-edited Conférences Vidéo Chapitrées | enregistrements trouvés : 200
O
P Q
Déposez votre fichier ici pour le déplacer vers cet enregistrement.
Post-edited Network-guided feature selection in high-dimensional genomic data Azencott, Chloé (Auteur de la Conférence) | CIRM ... | open-web-math/open-web-math | |
# Proving a Recursive Relation
I’m studying for an exam, and have this problem as one of my review questions: I have $p(n)$, which represents the amount of partitions from a set $A$ that has $n$ elements.
I know that if $R$ is an equivalence relation for a set $S$, then the equivalence classes of $R$ make a partition... | HuggingFaceTB/finemath | |
# Tag Info
28
As we cannot resolve arbitrarily small time intervals, what is ''really'' the case cannot be decided. But in classical and quantum mechanics (i.e., in most of physics), time is treated as continuous. Physics would become very awkward if expressed in terms of a discrete time. Edit: If time appear discret... | open-web-math/open-web-math | |
# Paranthesis Theorem
Parenthesis Theorem is used in DFS of graph. It states that the descendants in a depth-first-search tree have an interesting property. If v is a descendant of u, then the discovery time of v is later than the discovery time of u.
In any DFS traversal of a graph g = (V, E), for any two vertices u ... | HuggingFaceTB/finemath | |
# Hilbert's Theorem relevance to positive curvature
In differential geometry, Hilbert's theorem (1901) states that there exists no complete regular surface S of constant negative Gaussian curvature K immersed in $R^3$. This theorem answers the question for the negative case of which surfaces in $R^3$ can be obtained b... | open-web-math/open-web-math | |
1-2 Points, Lines, & Planes
# 1-2 Points, Lines, & Planes
## 1-2 Points, Lines, & Planes
- - - - - - - - - - - - - - - - - - - - - - - - - - - E N D - - - - - - - - - - - - - - - - - - - - - - - - - - -
##### Presentation Transcript
1. 9/16 1-2 Points, Lines, & Planes Objective: To understand basic terms of Geometr... | HuggingFaceTB/finemath | |
Is 4409 a prime number? What are the divisors of 4409?
## Parity of 4 409
4 409 is an odd number, because it is not evenly divisible by 2.
Find out more:
## Is 4 409 a perfect square number?
A number is a perfect square (or a square number) if its square root is an integer; that is to say, it is the product of an ... | HuggingFaceTB/finemath | |
# How do you calculate specific gravity example?
The specific gravity of a substance is characteristic; it is the same for different samples of a substance (if pure, the same in composition, and free from cavities or inclusions) and is used to help identify unknown substances.
## How do you solve specific gravity pro... | HuggingFaceTB/finemath | |
# Introduction to linear algebra strang solution manual
### Introduction to Linear Algebra 4th Ed SOLUTIONS MANUAL Solutions manual Introduction to linear algebra Strang. Solutions to Introduction to Linear Algebra – 3rd, 4th and 5th Edition (four solution manuals) Author(s): Gilbert Strang This product include four... | HuggingFaceTB/finemath | |
# How is the Brier score 'more focused' on the positive class?
I am using Brier score as my scoring metric, as opposed to log loss. My reason for doing so was because I read it was more focused on the positive class than log loss. But how is it?
https://machinelearningmastery.com/tour-of-evaluation-metrics-for-imbala... | HuggingFaceTB/finemath | |
# students
## SAT math tips, formulas and concepts students should memorize
A good way to memorize formulas is to memorize that as both text and image. Convert the formula into text, memorize the text by saying it out loud to yourself and copying it out as a mathematical formula. Before you take the SAT, drill yourse... | HuggingFaceTB/finemath | |
# What is weighted average life of a loan?
Contents
## How do you calculate weighted average life of a loan?
To calculate the average life, multiply the date of each payment (expressed as a fraction of years or months) by the percentage of total principal that has been paid by that date, add the results, and divide ... | HuggingFaceTB/finemath | |
# Propagation of uncertainties while calculating trigonometric ratios
If one has an equation such as $$x=-(3.2±0.1)\cos(30.3º±0.2º).$$ How does the error carry to be able to find the value of $$x$$? I have found that you have to -sine the error in the cosine, but then how do you deal with the value by which the scalar... | HuggingFaceTB/finemath | |
# Question on a Basel-like sum
Hello all,
I have happened upon the following sum:
$1^2 + \Big(1 \times \frac{1}{3} + \frac{1}{3} \times 1 \Big)^2 + \Big(1 \times \frac{1}{5} + \frac{1}{3} \times \frac{1}{3} + \frac{1}{5} \times 1 \Big)^2 + \Big(1 \times \frac{1}{7} + \frac{1}{3} \times \frac{1}{5} + \frac{1}{5} \tim... | HuggingFaceTB/finemath | |
## Can I calculate the size of the Universe by converting light years to kilometres? (Intermediate)
My bright teenage son, after considerable calculation, has concluded that the universe is approximately 162 sextillion miles wide. He based his calculation on the basic 186K mi/sec speed of light x the estimated 13.8 bi... | HuggingFaceTB/finemath | |
# illustration of integration techniques
The following integral is an example that illustrates many integration techniques.
Problem. Determine the antiderivative of $\sqrt{\tan x}$.
$\displaystyle u$ $\displaystyle=\sqrt{\tan x}$ $\displaystyle u^{2}$ $\displaystyle=\tan x$ $\displaystyle 2u\,du$ $\displaystyle=\se... | open-web-math/open-web-math | |
1. ## Integral
Hello!
$\displaystyle \int{\frac{xdx}{(x^2-3x+2)\sqrt{x^2-4x+3}}}$
Haven't been much familiar with these, so I need some help!
I think there's a hint but but I'm not sure if it's right: $\displaystyle \sqrt{(x-1)(x-3)}=t(x-3)$, anyway I don't know how to use it!
Thanks
2. Alright, then make the subs... | HuggingFaceTB/finemath | |
# Proof of Khintchine's inequality
I'm trying to understand the proof of Khintchine's inequality in these lecture notes: http://www.math.ubc.ca/~ilaba/wolff/notes_march2002.pdf
On page 27, second display-style equation after (51), the author claims
$$\mathrm{Prob}\left(\sum_n a_n\omega_n\ge \lambda\right)\le e^{-t\l... | HuggingFaceTB/finemath | |
Q. 2 C5.0( 1 Vote )
# Find the equation
Given: Equation of directrix of a hyperbola is 2x + y – 1 = 0. Focus of hyperbola is (1, 1) and eccentricity (e) =
To find: equation of hyperbola
Let M be the point on directrix and P(x, y) be any point of hyperbola
Formula used:
where e is eccentricity, PM is perpendicular... | HuggingFaceTB/finemath | |
# Comparing and Modifying two Matrices (list of list)
I need to compare two matrices with the same number of columns but a different number of rows (please see an example of Matrices A and B). I would like to know how I can compare the second column of the first matrix with the second column of the second matrix and i... | HuggingFaceTB/finemath | |
# 13. The inner approximation.
We rescale the problem by putting in our original differential equation If we get The equation then transforms to Consider the coefficients The problem in the original equation is that the coefficient of the highest derivative y” is small compared to the others. To avoid this problem we ... | HuggingFaceTB/finemath | |
How to Calculate a Percentage Increase in Excel
Percentage increase calculator
Sometimes percentages can be frustrating because it’s not always easy to remember what we learned about them in school. Let Excel do the work for you – simple formulas can help you find the percentage of a total and total cost after the di... | HuggingFaceTB/finemath | |
# math help
posted by .
Select the values of x that are solutions to the inequality 0 > x^2 + 5x -2
## Similar Questions
1. ### math
can some one solve this Ex 1: -2x+7>22 -2x+7-7>22-7 -2x>15 -2x/(-2)<15/(-2) Switching the order of the inequality here is essential to keep the solutions true for the inequality sinc... | HuggingFaceTB/finemath | |
# Does there exist a test, or series of tests, to ensure that a polynomial has only one real root, and it's positive?
I don't need to know solutions. I figured that the logic would be similar to computing the discriminant and testing whether it is positive. For example in quadratic systems with real coefficients,
$$a... | HuggingFaceTB/finemath | |
# 352
Analytical Scientist interview questions shared by candidates
## Top Interview Questions
Sort: Relevance|Popular|Date
Data Scientist, Analytics was asked...5 March 2015
### Write a SQL query to compute a frequency table of a certain attribute involving two joins. What if you want to GROUP or ORDER BY some att... | HuggingFaceTB/finemath | |
Did the majority of voters polled claim that they planned to : GMAT Data Sufficiency (DS)
Check GMAT Club App Tracker for the Latest School Decision Releases http://gmatclub.com/AppTrack
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### GMAT Club Daily Prep
#### Thank you for using the timer - this advanced tool can estimate ... | HuggingFaceTB/finemath | |
# Polynomial Operations Calculator
Instructions: This polynomial calculator will allow you to perform basic polynomial operations. Enter two polynomials and specify the operation you want to conduct among sum, subtraction or product, and the solver will show you step-by-step how to get the result. Type the polynomials... | HuggingFaceTB/finemath | |
Equable Cylindrical Cone
EQUABLE CYLINDRICAL CONE
Balmoral Software
Solutions: 1
Consider the "cylindrical cone" consisting of a cone of radius R and height h surmounting a cylinder of the same radius and height. There is one such polytope that is equable. The total volume of the cone + cylinder is V, where
V/π = (... | HuggingFaceTB/finemath | |
• ### Signatures of fractionalization in spin liquids from interlayer thermal transport(1708.02584)
Oct. 11, 2018 cond-mat.str-el
Quantum spin liquids (QSLs) are intriguing phases of matter possessing fractionalized excitations. Several quasi-two dimensional materials have been proposed as candidate QSLs, but direct e... | open-web-math/open-web-math | |
# area of a parallelogram calculator vectors
Component form of a vector with initial point and terminal point on plane, Exercises. Gwynne Shotwell Net Worth, King Nimrod Body Found, At Cuemath, our team of math experts is dedicated to making learning fun for our favorite readers, the students! Area of a parallelogram ... | open-web-math/open-web-math | |
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### 12th APMO 2000
Problem 1
Find a13/(1 - 3a1 + 3a12) + a23/(1 - 3a2 + 3a22) + ... + a1013/(1 - 3a101 + 3a1012), where an = n/101.
Solution
The nth term is an3/(1 - 3an + 3an2) = an3/( (1 - an)3 + an3) = n3/( (101 - n)3 + n3). Hence the sum of the nth and (101-n)th t... | HuggingFaceTB/finemath |
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