content string | quality_label int64 | meta string | all-MiniLM-L6-v2_embedding list | doc_id int64 | unique_id string |
|---|---|---|---|---|---|
chemistry lab
Posted by ryan on Saturday, February 2, 2008 at 11:31pm.
Here are 2 questions I worked out, but need them checked. Also, can't get answer to another question correct unless question 1 is correct. Would you check the first 2 and help me with the third?
1) What is the pH of a 0.05 M solution of TRIS acid ... | 5 | [
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... | 12,500 | 12500 | |
I Figure How To Solve The Exercise Using Excel ... | Chegg.com
P-value?
I figure how to solve the exercise using excel but I still needhelp
What is the p-value for the test conducted in problem 7.43?
In the test conducted in problem 7.43 I gotX^2= 36.49 ~ X^2[50] acceptH[0] at the 5% level.
I did this in excel usi... | 5 | [
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Linear Approximation of Functions
A possible linear approximation f[l] of function f at x = a may be obtained using the equation of the tangent line
f[l](x) = f(a) + f '(a) (x - a)
For values of x closer to x = a, we expect f(x) and f[l](x) to have close values. Since f[l](x) is a linear function we have a linear ... | 5 | [
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0.0... | 12,502 | 12502 | |
A look inside the Mandelbrot set
Recent Comments
• Matt Petersen on On belief
• Gabriel Thomas on Untimely Italians: A Profile of The Italian List and Interview with Alberto Toscano
• Rory O'Connor on If you see something, say something: On academic representation
The formula that generates the Mandlebrot set i... | 4 | [
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Two-sided tolerance intervals using EXCEL
7. Product and Process Comparisons
7.2. Comparisons based on data from one process
7.2.5. What intervals contain a fixed percentage of the population values?
7.2.5.4. Two-sided tolerance intervals using EXCEL
Two-sided tolerance One method for computing factors for two-si... | 5 | [
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mechanics of solids (physics) :: Principal stresses
mechanics of solids
Last Updated
Principal stresses
Symmetry of the stress tensor has the important consequence that, at each point x, there exist three mutually perpendicular directions along which there are no shear stresses. These directions are
called the princ... | 4 | [
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Zeros of Hermite polynomials
In my paper with É. Fouvry and Ph. Michel where we find upper bounds for the number of certain sheaves on the affine line over a finite field with bounded ramification, the combinatorial part of the
argument involves spherical codes and the method of Kabatjanski and Levenshtein, and turns o... | 5 | [
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Wightman axioms
Context
AQFT
AQFT and operator algebra
Definitions
Theorems
States and observables
Operator algebra
Local QFT
Euclidean QFT
Physics
Contents
Idea
The Wightman axioms are an attempt to axiomatize and thus formalize the notion of a quantum field theory on Minkowski space-time in the sense of A... | 4 | [
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locally contractible topological infinity-groupoid
this page is under construction
Context
Cohesive $\infty$-Toposes
Backround
Definition
Presentation over a site
Structures in a cohesive $(\infty,1)$-topos
structures in a cohesive (∞,1)-topos
Structures with infinitesimal cohesion
infinitesimal cohesion?
... | 4 | [
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SUNPLIN: Simulation with Uncertainty for Phylogenetic Investigations
Abstract
Background
Phylogenetic comparative analyses usually rely on a single consensus phylogenetic tree in order to study evolutionary processes. However, most phylogenetic trees are incomplete with regard to species
sampling, which may criticall... | 4 | [
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Evaluating genome architecture of a complex region via generalized bipartite matching
Abstract
With the remarkable development in inexpensive sequencing technologies and supporting computational tools, we have the promise of medicine being personalized by knowledge of the individual genome.
Current technologies provid... | 4 | [
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Math For Real Life For Dummies
Cheat Sheet
Math For Real Life For Dummies
Using real-life math can simplify everyday situations. Math comes in handy every time you take a trip, go shopping, or do projects around the house.
Estimating Taxes and Discounts When Shopping
When you go shopping, you're often faced with di... | 4 | [
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The impact of random frequency-dependent mutations on the average population fitness
Abstract
Background
In addition to selection, the process of evolution is accompanied by stochastic effects, such as changing environmental conditions, genetic drift and mutations. Commonly it is believed that without
genetic drift, ... | 4 | [
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Money
The Mathematical Formula For Making Money
By: Angelo Ioanides
No matter what markets you serve; what products you sell; or what marketing tools you use, in business there's one truth you cannot escape.
Embrace... | 4 | [
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The reason for considering this article is the consequence of an unclear formulation in Sect.2.1 on another article where the same authors were co-authors together with a greater group of other
authors. The unclear formulation is the role of the Lorenz condition for the derivation of Equ.(7). We trace the calculation ... | 4 | [
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How to calculate compressive strength of concrete?
Question How to calculate compressive strength of concrete?
Question Submitted By :: Civil-Engineering
I also face... | 4 | [
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Sci
1 Aug 02:48 2010
Off by one bug in Scipy.stats.hypergeom
Jacob Biesinger <jake.biesinger <at> gmail.com>
2010-08-01 00:48:28 GMT
Hi!
Perhaps I'm using the module incorrectly, but it looks like the x parameter in scipy.stats.hypergeom is off by one. Specifically, I think it's one-too-high.
scipy.stats.hyper... | 5 | [
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Satellites and Dartboards
Date: 02/21/2000 at 11:10:44
From: Brian Borden
Subject: Probability of Accidentally Hitting a Satellite
Assume we model our satellites in two groups. One group is at 500 km
altitude, and the other group at geosynchronous altitude.
Consequently, I can determine the surface area of the two s... | 5 | [
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Marinov: Annus Horribilis
Unforgettable, unforgivable, Stefan...
(Si veda anche la foto con cui si apre il Reprint di Omero Speri e Piero Zorzi nella I Parte di questo stesso numero/
... | 4 | [
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Grid and Percent It
In this lesson, students use a 10 × 10 grid as a model for solving various types of percent problems. This model offers a means of representing the given information as well as suggesting different
approaches for finding a solution. This lesson is adapted from "A Conceptual Model for Solving Percen... | 4 | [
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Finding radius of circle with 2 Perpendicular Chords
June 15th 2011, 09:33 PM
Aquameatwad
Finding radius of circle with 2 Perpendicular Chords
Two chords KV and QR of circle O are perpendicular at point P, with PQ=6 and PR=8 If radius of circle is sq root of 65. find KP and PV.
The answer is KP=12 and PV=4... | 4 | [
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Exponentiation
Next: Greatest Common Divisors Up: Procedures and the Processes Previous: Orders of Growth
Exponentiation
Consider the problem of computing the exponential of a given number. We would like a procedure that takes as arguments a base b and a positive integer exponent n and computes b^n. One way to... | 4 | [
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VTU Old Exam Papers BE EC 4th Semester Control System June 2010
VTU Old Exam Papers BE EC 4th Semester
Control System June 2010
Note: Answer any FIVE full questions,
selecting at least TWO questions from each part,
PART... | 4 | [
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Forcing over an arbitrary model of ZFC
up vote 11 down vote favorite
4
I’m learning set theory and forcing in the (french) book from Jean-Louis Krivine “Théorie des ensembles”.
Given a countable transitive model $\mathscr{M}$ of ZFC together with a poset $P$, he constructs the model $\mathscr{M}[G]$ where $G$ is a $P... | 4 | [
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de
Intro
Here I will write some interesting facts about
perlin noise
. Yes, incredibly enough, you will find here some information that you cannot find anywhere else, not that much poeple speaks about the derivatives of the perlin noise, like how to calculate them
analytically and what to do with them. So, why not ... | 4 | [
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CHAPTER 6. THE DISTRIBUTION OF DOUBLE SYSTEMS
6.1. The Spatial Frequency of Double Galaxies
In this chapter we examine the properties of the apparent and spatial distributions of double systems as well as estimates of the frequency with which one encounters galaxies in pairs. The relative
number of galaxies per uni... | 4 | [
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weak equivalence of simplicial sets
up vote 2 down vote favorite
2
Given a morphism f:X --> Y in sSet, and assume that it induces isomorphisms for \pi_0,\pi_1,\pi_2, and all integral homology groups. Does it imply that f is a weak equivalence?
In Hatcher's Algebraic Topology book, he requires both X and Y simply-conn... | 5 | [
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Is there an analog of Sperner's lemma for the Hopf invariant?
up vote 35 down vote favorite
9
Recall that Sperner's lemma is essentially a combinatorial version of the topological statement "A map from $S^n$ to $S^n$ with degree one cannot be nullhomotopic."
My question is, does there exist an analogous combinatorial... | 4 | [
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A Propagation Environment Modeling in Foliage
Foliage clutter, which can be very large and mask targets in backscattered signals, is a crucial factor that degrades the performance of target detection, tracking, and recognition. Previous
literature has intensively investigated land clutter and sea clutter, whereas folia... | 4 | [
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Transfinite game values in infinite chess
• C. D. A. Evans and J. D. Hamkins, “Transfinite game values in infinite chess,” Integers, vol. 14, p. Paper No. G2, 36, 2014.
@ARTICLE{EvansHamkins:TransfiniteGameValuesInInfiniteChess,
AUTHOR = {C. D. A. Evans and Joel David Hamkins},
TITLE = {Transfinite game... | 4 | [
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Question about prompt names of ordinals
up vote 5 down vote favorite
I asked this question first on math SE and was told that it would better fit here. So:
The following concept is due to Shelah and I have some issues with a claim using this notion: Suppose that $\nu$ is a limit ordinal and that $P_\nu$ is an iterati... | 5 | [
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Duncan Williamson: Measures of Central Tendency ... Means average1.html
Introduction
The most commonly used word for a measure of central tendency is the word average: this is the word we use when we want to know, actually to estimate, the number that is in the middle of a batch of
data, or set of numbers.
A good exa... | 4 | [
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Math Forum Discussions
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Topic: The Math is still Not Ready
Replies: 8 Last Post: ... | 4 | [
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determinant
Contents
Idea
The determinant is the (essentially unique) universal alternating multilinear map.
Definition
Preliminaries on exterior algebra
Let Vect${}_k$ be the category of vector spaces over a field $k$, and assume for the moment that the characteristic $char(k) eq 2$. For each $j \geq 0$, let
$sg... | 4 | [
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proving trig identities
a) 1/cos^2Θ + 1/sin^2Θ = (tanΘ + 1/tanΘ)^2 b) cos^4Θ - sin^4Θ = cos^2Θ - sin^2Θ thank youu.
Last edited by checkmarks; April 14th 2007 at 06:17 PM.
Hello, checkmarks! a) .1/cos²θ + 1/sin²θ .= .(tanθ + 1/tanθ)² This is a messy one . . . Start with the right side. . . . . . . . . .sinθ . . cosθ ... | 4 | [
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Egwald Statistics — Multiple Regression with Applications
Egwald Statistics: Multiple Regression
Linear and Restricted Multiple Regression
by
Elmer G. Wiens
Egwald's popular web pages are provided without cost to users.
... | 4 | [
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istributive
A distributive residuated lattice is a residuated lattice $\mathbf{L}=\langle L, \vee, \wedge, \cdot, e, \backslash, /\rangle$ such that
$\vee, \wedge$ are distributive: $x\wedge(y\vee z) =(x\wedge y) \vee (x\wedge z)$
Remark:
Let $\mathbf{L}$ and $\mathbf{M}$ be distributive residuated lattices. A morph... | 4 | [
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-Atomic_Crew-
Sunday, January 17, 2010
Question 1
Pascal's Principle
The hydraulic car lift relates to Pascal's Principle. It’s used in garages to lift a car off the ground for repairing. A small force by a small-area piston can be converted to a large force at a
large area piston. It works relatively close to a lev... | 5 | [
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Causal Mediation of a Human Immunodeficiency Virus Preventiv... : Nursing Research
Mediators, also known as mediating variables, play a significant role in most models of behavioral intervention. In many programs, changes in mediators are targeted to promote change on the outcome
of interest. Mediation occurs as part o... | 4 | [
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Saber-Terms Series: wOBA
I’ve gone for much of my time here on Marlin Maniac eschewing doing something like this. I had always run on the assumption that if readers wanted to know what things like wOBA and FIP meant, they
could travel on down to FanGraphs to find out. But this process seems a bit impersonal and perha... | 4 | [
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Practice Problems
These practice problems emphasize various aspects of hypothesis testing. Some of them are a bit "non traditional", because we hope to emphasize the general framework behind hypothesis testing, rather
than provide practice on particular tests.
1) Go to the UCLA case studies link and examine whether Dr... | 5 | [
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Tanker Cargo Calculations - ASTM Tables Usage & Procedure of Calculations
Hi,
In my recent meetings with a variety of Ship's officers, including some Engineers, who were interested in knowing more of this, I've realized that no training institute actually gives them a complete
picture of Tanker cargo calculations.
I... | 4 | [
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Deriving Trigonometric Identities
Associated Topics || Dr. Math Home || Search Dr. Math
Deriving Trigonometric Identities
... | 4 | [
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The luminosity function of galaxies - B. Binggeli et al.
Annu. Rev. Astron. Astrophys. 1988. 26: 509-560
Copyright © 1988 by . All rights reserved
1.2. Some Examples Where M) is Needed
Many uses of the general differential luminosity function (see Section 2 for definitions) are mentioned by Schechter (1976) in ... | 4 | [
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Logical Graphs : 2
Abstract
Logical graphs are next presented as a formal system by going back to the initial elements and developing their consequences in a systematic manner.
Formal Development
Logical Graphs : 1 gives an informal introduction to the initial elements of logical graphs, and hopefully provides the r... | 4 | [
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Multiple Comparisons
When comparing more than two means, an ANOVA mean separation tests, give you more detailed information about the differences among the means. The goal in multiple comparisons is to compare the
average effects of three or more "treatments" (for example, drugs, groups of subjects) to decide which tr... | 4 | [
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This Pied Piper of Hamelin
Copyright © University of Cambridge. All rights reserved.
We had a good number of solutions sent in, thank you. Here we will feature those of you who've looked at many possibilities. From George at Linton Heights Junior School
we had the following:
a) $0$ rats and $300$ children
b) $1$ r... | 4 | [
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automorphism infinity-Lie algebra
Context
$\infty$-Lie theory
Background
Smooth structure
Higher groupoids
Lie theory
∞-Lie groupoids
∞-Lie algebroids
Formal Lie groupoids
Cohomology
Homotopy
Examples
$\infty$-Lie groupoids
$\infty$-Lie groups
$\infty$-Lie algebroids
$\infty$-Lie algebras
Rational homot... | 4 | [
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Experiment
Experiment 5
Pipe Flow: Major and Minor Losses
┌───────────────────────┬───────────────────────┬─────────┐
│ Objectives ... | 4 | [
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Matrix Chain Multiplication
04-13-2010 #1
Registered User
Join Date
Feb 2009
Posts
68
Matrix Chain Multiplication
I'm just not getting something here, and I have no idea where I'm lost, and I don't know what questions to ask. I'm getting a bit frustrated, so please, take it easy on me.
I have an alg... | 4 | [
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[SciPy-Dev] Adding t-test with unequal variances to stats.py
Junkshops junkshops@gmail....
Sun Jun 3 01:13:33 CDT 2012
After some of the recent list mails advising checking results against R,
I checked this code against the R t.test() calls. I hadn't bothered
before since I had checked the t statistic and df values, ... | 4 | [
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What data structure using O(n) storage with O(log n) query time should I use for Range Minimum Queries?
up vote 17 down vote favorite
8
I'm stumped by the following homework question for an algorithms class:
Suppose that we are given a sequence of n values x[1], x[2] ... x[n], and seek to quickly answer repeated ... | 5 | [
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Wappingers Central School District
FN
Ff FA
Fg
An Unbalanced Force
Fnet
a
m
What is an unbalanced force?
• According to Newton’s Second Law of
Motion:
– an unbalanced force is one that causes an
object to accel... | 4 | [
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Analyze The RCS Of A Plasma Antenna
Download this article in .PDF format
This file type includes high resolution graphics and schematics.
Plasma antennas offer some special qualities that make them attractive for electronic-warfare (EW), radar, and other applications that may require stealth operation. The plasma in... | 4 | [
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eek
May 12, 1996
This Week's Finds in Mathematical Physics (Week 81)
John Baez
I think I'll take a little break on the continuing saga of n-categories. Instead I'll talk about something which is secretly the very same subject, namely loop groups and their central extensions.
This is important in string theory. But f... | 4 | [
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Voltage divider | Rule, formula and voltage divider circuit
In the world of electrical and electronics we come across different types of circuits. Those circuits are named differently based on the function which they perform. The components which are used in
the circuit are an important part of it. In this article we ... | 4 | [
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Three
There are two basic ways to solve n equations with n unknowns: substitution and elimination. Each of them can have variations. For example, matrix methods are extensions of the elimination method. In
this section, we will explore substitution.
Substitution Method
Three variables and Three unknowns
Let the va... | 4 | [
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Cost Word Problem
March 27th 2008, 05:22 PM #1
Cost Word Problem
A company wishes to run a utility cable from point A on the shore to an installation at point B on the island. The island is 6 miles from the shore. It costs $400 per mile to run the cable on
land and $500 per mile underwater. Assume that the ca... | 5 | [
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Trisecting a triangle
Trisecting a Triangle
(or Morley's Theorem)
... | 4 | [
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-0.004852294921875,
0.06201171875,
-0.0306396484375,
-0.0947265625,
0.04345... | 12,558 | 12558 | |
Countable Ordinals in Haskell
In Haskell: What happens when you divide infinity by 2?, Eric Kidd asks:
...
2. Is it possible to represent any other (more interesting and/or more correct) definitions of infinity in Haskell?
3. What’s the best way to think about the infinite ordinals?
The code below is my a... | 4 | [
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0.029296875,
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0.022216796875,
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-0.01373291015625,
0.09423828125,
0.0029449462890625,
-0.036865234375,
0.02856445... | 12,559 | 12559 | |
Lecture 2: Elimination with matrices
Okay. This is it. The second lecture in linear algebra, and I've put below my main topics for today. I put right there a system of equations that's going to be our example to work with.
But what are we going to do with it? We're going to solve it. And the method of solution will no... | 5 | [
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0.0272216796875,
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0.0196533203125,
0.12890625,
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-0.022705078125,
-0.01287841796875,
0.003662109375,
-0.002838134765625,
... | 12,560 | 12560 | |
Exp
Pre-lab Questions Experiment Post-lab Questions
EXPERIMENT 10: PROPERTIES OF WATER
The following preparatory questions should be answered before coming to class. They are intended to introduce you to several ideas important to aspects of the experiment. You must turn-in your work
to your instructor before you wil... | 4 | [
-0.08837890625,
0.0146484375,
0.0301513671875,
0.0260009765625,
0.0035247802734375,
-0.05810546875,
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0.09130859375,
-0.00787353515625,
0.010498046875,
-0.002166748046875,
-0.06201171875,
0.0732421875,
-0.03466796875,
0.029296875,
-0.013916015625,
0.019775390625,
-0.0... | 12,561 | 12561 | |
Parametrization of 2-dimensional torus
up vote 7 down vote favorite
1
The units with norm $+1$ in a pure cubic number field $K$ generated by a cube root of $m = ab^2$, where $a$ and $b$ are coprime and squarefree integers, correspond to integral points on the torus $$
R_{K/\mathbb Q}^{(1)}: X_1^3 + ab^2X_2^3 + a^2bX_3... | 5 | [
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-0.007049560546875,
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0.07861328125,
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0.00799560546875,
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0.029296875,
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-0.03125,
-0.042724609375,
0.08056640625,
-0.076171875,
-0.005554... | 12,562 | 12562 | |
augmentation ideal
nLab
augmentation ideal
Context
Algebra
Algebraic theories
Algebras and modules
Higher algebras
Model category presentations
Geometry on formal duals of algebras
Theorems
Group Theory
Classical groups
Finite groups
Group schemes
Topological groups
Lie groups
Super-Lie groups
Higher gr... | 4 | [
-0.083984375,
-0.0010986328125,
-0.050048828125,
0.048828125,
-0.0211181640625,
-0.0218505859375,
0.08203125,
-0.031005859375,
-0.046875,
-0.0615234375,
0.017578125,
-0.0079345703125,
-0.0072021484375,
-0.0625,
0.053955078125,
-0.029052734375,
0.0234375,
0.10205078125,
-0.0913085... | 12,563 | 12563 | |
Solutions for Chapter 9
Introduction to Automata Theory, Languages, and Computation
Solutions for Chapter 9
Revised 5/2/01.
Solutions for Section 9.1
Exercise... | 5 | [
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0.01611328125,
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0.08203125,
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0.061279296875,
-0.01263427734375,
-0.03466796875,
0.0810546875,
-0.01068115234375,
-0.044433... | 12,564 | 12564 | |
Newton Square Root
Name: Kimberly M.
Status: student
Age: N/A
Location: N/A
Country: N/A
Date: N/A
Question: I was curious to know why Newton's method of computing a square root works (ie. square ... | 4 | [
-0.03662109375,
-0.0145263671875,
0.0272216796875,
0.068359375,
-0.0294189453125,
0.0069580078125,
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0.037841796875,
0.0169677734375,
0.00640869140625,
0.09375,
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0.01312255859375,
0.046875,
-0.041259765625,
0.08544921875,
-0.0341796875,
-0.0201416015... | 12,565 | 12565 | |
adjunction
Context
2-Category theory
Definitions
Transfors between 2-categories
Morphisms in 2-categories
Structures in 2-categories
Limits in 2-categories
Structures on 2-categories
Contents
Idea
Two morphisms $C \stackrel{L}{\to} D$ and $D \stackrel{R}{\to} C$ in a 2-category $\mathcal{C}$ form an adjunctio... | 4 | [
0.0009002685546875,
-0.109375,
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-0.014404296875,
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0.05224609375,
0.0281982421875,
0.054931640625,
0.01007080078125,
-0.08984375,
-0.045654296875,
0.044189453125,
0.0732421875,
-0.0167236328125,
0.04248046875,
0.1259765625... | 12,566 | 12566 | |
Using the Distance Formula
Date: 05/03/97 at 16:31:30
From: ???
Subject: Finding a point on a line a certain distance from another point
Hi Dr. Math,
Can you help me with this problem?
Given a line going through the points (10,10) and (20,15), find the
coordinates of a third point on the line that is 3 units from ... | 4 | [
-0.1279296875,
0.0198974609375,
-0.0252685546875,
-0.09326171875,
0.032958984375,
0.080078125,
0.025390625,
0.0712890625,
-0.000335693359375,
-0.0230712890625,
0.1181640625,
-0.0400390625,
0.028076171875,
0.09423828125,
-0.00408935546875,
0.046875,
-0.07080078125,
0.031494140625,
... | 12,567 | 12567 | |
Logistic
Some interesting ways to calculate
Contents
Introduction
In Greek, logistikh meant arithmetic, or calculating with numbers. In schools, it is dignified as mathematics, of which it is a small part. Now, geometry is real mathematics, but it is not taught any
more in American schools. The Greek word appears i... | 5 | [
-0.035400390625,
0.057861328125,
-0.04248046875,
-0.07275390625,
-0.09765625,
-0.1279296875,
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0.08349609375,
0.052001953125,
0.1318359375,
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0.0172119140625,
0.1005859375,
-0.021728515625,
-0.035400390625,
-0.1064453125,
0.08935546875,
-0... | 12,568 | 12568 | |
Clusters of Galaxies - G.O. Abell
4.2. Masses of Clusters
If Newton's laws are valid over intracluster distances, then the virial theorem,
should apply. If, further, a cluster is in a steady state, the polar moment of inertia should be constant, so
Masses computed for clusters of galaxies are usually based on equati... | 4 | [
-0.0033721923828125,
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0.048095703125,
-0.037353515625,
0.0299072265625,
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-0.08154296875,
0.0255126953125,
-0.0849609375,
0.03173828125,
0.02636718... | 12,569 | 12569 | |
Finding reducible polynomials with restricted factors
up vote 1 down vote favorite
Given $f(x),g(x) \in \mathbb{Z}[x]$, two irreducible polynomials, is there a polynomial $h(x) \in \mathbb{Z}[x]$ coprime to $f(x)$ such that $f(x) + g(x)h(x)$ is reducible over $\mathbb{Z}[x]$ with
factors not congruent to $1 \mod g(x)$... | 5 | [
0.0038299560546875,
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0.061279296875,
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0.10009765625,
-0.01708984375,
0.01361083984375,
0.017333984375,
0.0023345947265... | 12,570 | 12570 | |
Stock Market as Econophysics Toy Problem
Stock Market as Econophysics Toy Problem
Consider a typical stock market. It consists of a number of stocks that show various rates of growth,
R
. Say that these have an average growth rate,
r
. Then by the Maximum Entropy Principle, the probability distribution function i... | 4 | [
-0.056884765625,
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0.07666015625,
0.0311279296875,
-0.044921875,
0.01165771484375,
-0.00... | 12,571 | 12571 | |
Why $O(4n,\mathbb{C})$ (orthogonal group) acts transitively on the space of maximal isotropics of $V\bigotimes \mathbb{C}$ ?
up vote 1 down vote favorite
1
We say $L< (V\oplus V^{*})\bigotimes \mathbb{C}$ is isotropic when $< X,Y>=0$ for all $X,Y\in L$
Why $O(4n,\mathbb{C})$ (orthogonal group) acts transitively on t... | 5 | [
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0.06396484375,
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0.0185546875,
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-0.05029296875,
0.0361328125,
0.02783203125,
0.06494140625,
-0.0385... | 12,572 | 12572 | |
Deriving the Law of Cosines
Date: 04/01/98 at 01:04:26
From: Brooke Lawrenson
Subject: Geometry
I wonder if the Pythagorean Theorem will work with a non-right
triangle and how to go about proving it.
Date: 04/01/98 at 11:47:56
From: Doctor Rob
Subject: Re: Geometry
This is a good question, and it shows good think... | 4 | [
-0.07080078125,
0.12109375,
-0.056884765625,
0.0303955078125,
-0.015625,
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0.042724609375,
0.03466796875,
0.044677734375,
0.0703125,
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-0.060546875,
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0.05859375,
-0.0673828125,
-0.0537109375,
0.0296630859375,
0.0009765625,
0.0... | 12,573 | 12573 | |
Statistics
Statistics with the HP-48
Contents
Introduction
This article describes the use of the Hewlett-Packard HP-48G calculator for simple statistics computations. The reader should be familiar with the calculator, and with what the Owner's Guide has to
say about statistical calculations. Step-by-step instruction... | 5 | [
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0.03173828125,
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0.0439453125,
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0.072265625,
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0.033447265625,
-0.00543212890625,
-0.0703125,
0.003143310546875,
-0.046... | 12,574 | 12574 | |
Multiple Matrix Multiplication in numpy
Filed under: Uncategorized — jameshensman @ 10:45 am
There are two ways to deal with matrices in numpy. The standard numpy array in it 2D form can do all kinds of matrixy stuff, like dot products, transposes, inverses, or factorisations, though the
syntax can be a little clumsy... | 5 | [
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-0.0115966796875,
0.0244140625,
0.0030364990234375,
0.14453125,
-0.0250244140625,
... | 12,575 | 12575 | |
Homework Help
Posted by Kate on Saturday, May 18, 2013 at 9:37am.
Evaluate the expressions:
a) arctan(-sqrt(3))
a) Arctan(-sqrt(3))
So, I know how to find the answers with a calculator, but how do I find it step by step?
• TRIGONOMETRY - Steve, Saturday, May 18, 2013 at 11:47am
by test time you need to know... | 4 | [
-0.044189453125,
-0.0274658203125,
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0.0498046875,
-0.10546875,
0.03173828125,
-0.00836181640625,
0.0595703125,
-0.033935546875,
-0.04150390625,
... | 12,576 | 12576 | |
Arcadian Functor
CKM Rules III
Using
Carl's values
for the
CKM
circulant sum $X + iY$, the Fourier transform gives the sum of a diagonal and codiagonal matrix, which on rearranging rows and columns roughly equals
Observe that the norm of $(-0.9643,0.2614)$ is about 1. This reduces the CKM matrix to even fewer ... | 4 | [
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0.01019287109375,
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0.0269775390625,
-0.0115966796875,
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-0.1162109375,
-0.045166015625,
-0.0250244140625,
-0.043212890625,
... | 12,577 | 12577 | |
Minimal Surface
Costa-Hoffman-Meeks Minimal Surface
This was a real challenge to do in plain PoV. As a starting point I used the Mathematica parametrization developed by Alfred Gray et al. It should be noted that this only works with mma 3.0 or later.
I do not have this, so the following is untested by me.
c=189.0... | 4 | [
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0.08740234375,
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-0.015869140625,
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0.01556396484375,
0.0654296875,
-0.00543212890625,
-0.07080078125,
0.068359375,
-0.12109375,
-0.047607421875,
0.0213623046875,
-0.0018768310546875,
-0.0172119140625,
-0.06103515625,
... | 12,578 | 12578 | |
Let V={(a,b)|a,b is in R, b>0}, define addition by (a,b)+(c,d)=(ad+bc,bd) and define a scalar multiplication by... - Homework Help - eNotes.com
Let V={(a,b)|a,b is in R, b>0}, define addition by (a,b)+(c,d)=(ad+bc,bd) and define a scalar multiplication by t·(a,b)=(tab^(t-1),b^(t))
Let V={(a,b)|a,b is in R, b>0}, defin... | 5 | [
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0.07763671875,
0.00174713134765625,
0.07470703125,
-0.07666015625,
0.0... | 12,579 | 12579 | |
Fibonacci Numbers
We begin our whirlwind tour of F Lo Sophia and Sacred Geometry by first stopping in Pisa, Italy, where in the year 1202 A.D. (or as currently written, C.E. for “Current Era”), a mathematician and
merchant, Leonardo da Pisa wrote a book, Liber Abaci (The Book of Computation). Born in 1179, Leo had trav... | 4 | [
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0.080078125,
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0.0218505859375,
-0.01275634765625,
0.004119873046875,
-0.1201171875,
-0.08251953125,
-0.150390625,
0.054443359... | 12,580 | 12580 | |
SNP calling by sequencing pooled samples
Abstract
Background
Performing high throughput sequencing on samples pooled from different individuals is a strategy to characterize genetic variability at a small fraction of the cost required for individual
sequencing. In certain circumstances some variability estimators hav... | 4 | [
0.0380859375,
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-0.103515625,
-0.007171630859375,
-0.07080078125,
0.00909423828125,
0.03112... | 12,581 | 12581 | |
Confidence from uncertainty - A multi-target drug screening method from robust control theory
Abstract
Background
Robustness is a recognized feature of biological systems that evolved as a defence to environmental variability. Complex diseases such as diabetes, cancer, bacterial and viral infections, exploit the
same... | 4 | [
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0.007110595703125,
-0.05322265625,
0.035400390625,
-0.037841796875,
-0.015197... | 12,582 | 12582 | |
I Solved It. Now What?
I Solved It. Now What?
Date: 10/16/2003 at 15:56:37
From: Rachel
Subject: algebra
When I see an equation like
12 = 5x + x + 6
I have no idea what this means and don't have any idea on how to
figure it out. Here's what I would try:
12 = 5x + x + 6
12 = 6x + 6
-6 -6 <--... | 4 | [
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0.0400390625,
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-0.03466796875,
-0.046875,
0.01708984375,
-0.10888671875,
0.0302734375,
... | 12,583 | 12583 | |
differential equation
A description of how something continuously changes over time. Differential equations occur in many, if not most, physical problems. Some differential equations have an exact analytical solution such
that all future states can be known without simulating the time evolution of the system. Howe... | 4 | [
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0.052490234375,
-0.006103515625,
-0.038818359375,
-0.060791015625,
... | 12,584 | 12584 | |
Detection of Redundant Constraints
up vote 1 down vote favorite
1
Suppose I pose the following query to a constraint logic programming system:
?- Y <= 6 - X, Y <= (- 4) + 4 * X, Y <= 4 + X / 3.
Are there systems that would recognize the last inequality as redundant and remove?
The problem is especially annoying sin... | 4 | [
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0.0213623046875,
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0.0272216796875,
... | 12,585 | 12585 | |
holonomy groupoid
Context
Topology
Basic concepts
Theorems
Examples
Differential geometry
Higher Lie theory
Background
Smooth structure
Higher groupoids
Lie theory
∞-Lie groupoids
∞-Lie algebroids
Formal Lie groupoids
Cohomology
Homotopy
Examples
$\infty$-Lie groupoids
$\infty$-Lie groups
$\infty$-Li... | 4 | [
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-0.0908203125,
0.080078125... | 12,586 | 12586 | |
Tuning Metalearning in MOSES
I’ve been studying MOSES recently, with an eye towards performance tuning it. Turns out optimization algorithms don’t always behave the way you think they do, and certainly not the way you want them
to.
Given a table of values, MOSES will automatically learn a program that reproduces thos... | 4 | [
0.0084228515625,
0.00958251953125,
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0.058837890625,
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0.003448486328125,
0.0137939453125,
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0.0... | 12,587 | 12587 | |
A Weighty Matter
A Weighty Matter
Here in the USA flight instructor certificates expire after two years. There are several ways to renew; when I was instructing in a charter operation, renewal was a matter of catching the FAA
inspector while he was in town, but now I find the most convenient way is through a Flight I... | 4 | [
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0.087890625,
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0.048828125,
0.0050964355... | 12,588 | 12588 | |
Algorithmic aspects of maximizing a convex function over a convex set
up vote 1 down vote favorite
Motivation
The problem I am facing can be considered a variant of the standard set packing problem. However; instead of being given a list of sets, I am given a function $\nu : 2^N \rightarrow \{0,1\}$ and want
to find ... | 4 | [
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0.... | 12,589 | 12589 | |
Re: Using C band polar mounts w/ ao-40
[Date Prev][Date Next][Thread Prev][Thread Next] - [Date Index][Thread Index][Author Index]
Re: Using C band polar mounts w/ ao-40
• Subject: Re: [amsat-bb] Using C band polar mounts w/ ao-40
• From: "Edward R. Cole" <al7eb@xxxxxxxxxxxxx>
• Date: Mon, 23 Apr 2001 14:11:37... | 4 | [
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proof question about positive semidefinite matrix(important 4 regression analysis)
May 30th 2009, 01:16 AM #1
Newbie
Joined
May 2009
From
in front of PC, obviously
Posts
9
proof question about positive semidefinite matrix(important 4 regression analysis)
this is a proof I encounter in William Greene ... | 4 | [
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0.12255859375,
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-0.0405... | 12,591 | 12591 | |
Size Up Acceleration Sensitivity On XOs
Acceleration force can shift or modulate the frequency of sensitive crystal resonators and oscillators unless proper steps are taken to absorb or compensate for vibrations.
Acceleration force can alter the performance of a quartz crystal or crystal oscillator. The nature of the ... | 4 | [
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Autoindexing diffraction images with
Volume 69
Part 7 Autoindexing diffraction images with iMosflm
Pages
1195-1203
July 2013
An overview of autoindexing diffraction images based on one-dimensional fast Fourier transforms is presented. The implementation of the algorithm in th... | 4 | [
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Jordan-Lie-Banach algebra
Context
Algebra
Algebraic theories
Algebras and modules
Higher algebras
Model category presentations
Geometry on formal duals of algebras
Theorems
Quantum physics
Contents
Idea
A Jordan–Lie–Banach algebra (or $JLB$-algebra for short) is a topological algebra that behaves like a Pois... | 4 | [
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0.0747070312... | 12,594 | 12594 | |
intermediate value theorem
Ok. Next time be more precise then Mean value theorem - Wikipedia, the free encyclopedia. You must prove this theorem... called the mean value theorem. (or something very close to it).
is there any connection between mean value theorem and the thing we asked to prove ? i mean the f(b') - f(a... | 5 | [
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0.07421875,
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-0.0184326171875,
-0.019287109... | 12,595 | 12595 | |
Commutative *-subrings of the noncommutative C*-algebra $B(l^2)$
up vote 0 down vote favorite
A $\star$-ring is a ring with an involutive anti-automorphism. The simplest example of a noncommutative $\star$-ring is perhaps $B(l^2)$, the ring of bounded linear functions on the sequence space $l
^2$. (This ring is in fac... | 4 | [
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0.111328125,
-0.00540161132812... | 12,596 | 12596 | |
Trapezoid: Visual Proof of Area Formula
Date: 04/11/98 at 09:29:50
From: Dwight
Subject: Trapezoid area formula proof
We were told that the area of a trapezoid is half the sum of the
parallel sides x the height. How can I visually prove this formula?
I know that with a parallelogram you can cut off the triangle pie... | 4 | [
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-0.0541992... | 12,597 | 12597 | |
Coefficients of real k-theory with coefficients
up vote 6 down vote favorite
1
Question: Calculate the group $ \pi_{8k+2}(KO \wedge M\mathbb Z/l\mathbb Z) $.
Here $KO$ denotes the real k-theory spectrum and $M\mathbb Z/l\mathbb Z $ denotes a Moore Spectrum associated to the cyclic group of order $l$.
Assume for the ... | 5 | [
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WebDiarios de Motocicleta
This is a guest post by Mikkel Thorup:
--------------------------
I think there is nothing more inhibiting for problem solving than referees looking for new general techniques.
When I go to STOC/FOCS, I hope to see some nice solutions to important problems and some new general techniques. I... | 4 | [
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