content string | quality_label int64 | meta string | all-MiniLM-L6-v2_embedding list | doc_id int64 | unique_id string |
|---|---|---|---|---|---|
On Modified Mellin Transform of Generalized Functions
Abstract and Applied Analysis
Volume 2013 (2013), Article ID 539240, 6 pages
http://dx.doi.org/10.1155/2013/539240
Research Article
On Modified Mellin Transform of Generalized Functions
^1Department of Applied Sciences, Faculty of Engineering Technology, Al-Balqa... | 5 | [
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0.0205078125,
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0.0283203... | 28,100 | 28100 | |
Math Help
March 6th 2011, 06:22 AM #1
parabola
Find an equation that says that P=(x,y) is equidistant from
F= (2.0) and the y-axis. Plot four points that fit this equation.
The configuration of all such points P is called a parabola.
How come the equation (x-2)squared + y squared = xsquared + (y-y1)... | 4 | [
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... | 28,101 | 28101 | |
Algebra II Recipe: Linear Inequalities in Two VariablesAlgebraLAB: StudyAids
A. Determining if an Ordered Pair is a Solution
1. Substitute the "x" and "y" value into the inequality.
2. Do all operations on each side until a true or false statement can be determined.
3. If the final statement is a true s... | 4 | [
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Complex Dynamics Analysis for a Cournot-Bertrand Mixed Game Model with Delayed Bounded Rationality
Abstract and Applied Analysis
Volume 2013 (2013), Article ID 251702, 11 pages
http://dx.doi.org/10.1155/2013/251702
Research Article
Complex Dynamics Analysis for a Cournot-Bertrand Mixed Game Model with Delayed Bounded... | 5 | [
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Use finite difference method to solve for eigenvalue E
Use finite difference method to solve for eigenvalue E from the following second order ODE:
- y'' + (x2/4) y = E y
I discretize the equation so that it becomes
yi-1 - [2 + h2(x2i/4)] yi + yi+1 = - E h2 yi
where xi = i*h, and h is the distance between any two ad... | 5 | [
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Homework Help
Posted by Ash on Thursday, November 30, 2006 at 9:26pm.
2x^3 + 3x^2 + x + 1 dx
---------------------
-2x + 1
[2x^3 + 3x^2 + x + 1]/(-2x + 1) =
ax^2 + bx + c + d/(-2x + 1) ---->
2x^3 + 3x^2 + x + 1 = (ax^2 + bx + c)*
(-2x + 1) + d
Find a, b , c and d by equating the coeffients of equal powers of x ... | 4 | [
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0.0439453... | 28,105 | 28105 | |
Sequence Question (not too hard)
September 24th 2009, 07:22 AM #1
Sequence Question (not too hard)
Hello fellow mathematicians I hope that the summer hasn't rusted your brains here is a question:
Let $\{ x_n \}$ be a sequence and $L \in \mathbb{R}$.
Suppose that $\{ x_{2n} \}$ and $\{ x_{2n-1} \}$ both ... | 4 | [
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Deflection in a CRT
1. The problem statement, all variables and given/known data
An electron with an initial speed of 7x106m/s is projected along the axis midway between the deection plates of a cathode-ray tube. The uniform electric field between the plates has a magnitude of
1000 V/m and is upward. F = 1.6x10-16N and... | 4 | [
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Exponential Distribution
April 4th 2008, 03:42 PM #1
Junior Member
Joined
Nov 2006
Posts
48
Exponential Distribution
The length of time Y necessary to complete a key operation in the construction has an exponential distribution with mean=10 hours. The formula C= 100 +40Y + 3Y^2 relates the cost C of comp... | 5 | [
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-... | 28,108 | 28108 | |
Circle & derivative qus.
April 13th 2006, 10:07 AM #1
hey
I have done part a) of the question which need checking & need help on part b)
a) Find the centre and radius of the following circle:
2x^2 + 2y^2 + -4x + 10y = 8
radius = 3.3 centre = (1, -2.5) << this is what i got
b) Find the equa... | 5 | [
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Improved Successive Interference Cancellation for MIMO/UWB-Based Wireless Body Area Network
International Journal of Antennas and Propagation
Volume 2012 (2012), Article ID 781434, 9 pages
http://dx.doi.org/10.1155/2012/781434
Research Article
Improved Successive Interference Cancellation for MIMO/UWB-Based Wireless ... | 4 | [
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Triangle Question
April 2nd 2010, 09:08 AM #1
Newbie
Joined
Apr 2010
Posts
2
Triangle Question
Hi,
Please, what is the formula to determine the length of the two longest sides on an isosceles triangle with the angles of 36, 72, 72, and the base length of 550 feet? I'm not a trig guy so please
pro... | 4 | [
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... | 28,111 | 28111 | |
Laplace Transform from definition
July 30th 2012, 03:43 AM #1
Newbie
Joined
Jul 2012
From
scotland
Posts
2
Laplace Transform from definition
Hi all,
I was wondering if someone could possibly give me a step by step guide on how the laplace transfomation of f(t) = 3 + 2e^-kt is given from definiti... | 5 | [
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A New Alternating Segment Crank-Nicolson Scheme for the Fourth-Order Parabolic Equation
ISRN Applied Mathematics
Volume 2013 (2013), Article ID 370789, 9 pages
http://dx.doi.org/10.1155/2013/370789
Research Article
A New Alternating Segment Crank-Nicolson Scheme for the Fourth-Order Parabolic Equation
^1Department o... | 5 | [
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Basic Linear Algebra Problem
January 14th 2011, 04:39 AM
TwoPlusTwo
Basic Linear Algebra Problem
I'm just starting out with linear algebra, and in my book there is an exercise I don't really get. Until now all I have learned is to solve simple linear systems.
Determine the value(s) of h such that the matrix... | 5 | [
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Finding the coordinates of a centroid
October 21st 2009, 10:46 PM #1
Member
Joined
Apr 2009
Posts
85
Finding the coordinates of a centroid
Hi I made an attempt at this problem but Im not quite sure if I have the correct procedure.
find the exact coordinates of the centroid.
$y = 100 - x^2$
... | 5 | [
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Factor Theorem
2. The Remainder Theorem and the Factor Theorem
This section discusses the historical method of solving higher degree polynomial equations.
As we discussed in the previous section Polynomial Functions and Equations, a polynomial function is of the form:
f(x) = a[0]x^n + a[1]x^n^-1 + a[2]x^n^-2 + ... | 4 | [
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Partial Differential eqn - method of characteristics
May 8th 2010, 10:57 PM
monster
Partial Differential eqn - method of characteristics
Am going through problems from book and have come across a section of my lecture notes that i don't understand, i'm sure it's something small i'm missing but can't get my head ... | 5 | [
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Crit chance word problem
November 11th 2013, 08:09 PM #1
Newbie
Joined
Nov 2013
From
Eugene, OR
Posts
5
Crit chance word problem
This isn't for class. It's for programming, but it's math. It's kind of a function, but I think it belongs here - my brain is too fried to conceptualize the equation proper... | 5 | [
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... | 28,118 | 28118 | |
Serre Spectral Sequence of Representations
up vote 8 down vote favorite
5
Suppose that $G$ is a group acting on a fibre bundle $(F,E,B)$ by bundle automorphisms. In this case, the action automorphisms $E\to E$ give the integral homology $H_\ast(E;\mathbb{Z})$ the structure
of a $G$-module. Also, the action automorphis... | 4 | [
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Characterization of the Solvability of Generalized Constrained Variational Equations
Abstract and Applied Analysis
Volume 2012 (2012), Article ID 247425, 36 pages
http://dx.doi.org/10.1155/2012/247425
Research Article
Characterization of the Solvability of Generalized Constrained Variational Equations
Departamento d... | 5 | [
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Relate Rates - Vertical Gain
March 8th 2011, 08:44 PM
joatmon
Relate Rates - Vertical Gain
A waterskier skis over a ramp with a length of 15' and a height of 4' at a constant speed of 30 ft/second. How fast is she rising as she leaves the ramp?
Let x = the horizontal base of the ramp, y = the vertical wall,... | 5 | [
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... | 28,121 | 28121 | |
Von Neumann inequality
January 11th 2010, 01:38 PM
Drexel28
Von Neumann inequality
Hello friends.
A friend of mine is doing research with a professor on the 3 by 3 multivariable case of the Von Neumann inequality. I am helping him out a little bit, but we are running into some techincal
problems. For ex... | 5 | [
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Determining mean Length of Day and DeltaT formula
Using observed data for 500 BCE to 1600 CE from [Stephenson, 2004] and for 1650 CE to 1990 CE from IERS, in the below section the change in LOD and Delta T are described.
Mean Length of Day (LOD)
The following mean changes in Length of Day (LOD) are depicted in the b... | 4 | [
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the encyclopedic entry of unbounded interval
Interval arithmetic
, also called
interval mathematics
,
interval analysis
, and
interval computation
, is a method in
mathematics
. It has been developed by mathematicians since the 1950s and 1960s as an approach to putting bounds on
rounding errors
in
mathemati... | 5 | [
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Line intersecting implicit function
January 18th 2010, 09:28 AM #1
Newbie
Joined
Jun 2008
Posts
20
Line intersecting implicit function
Hi, I have to find the co-ordinates where the line y=-x+1 intersects f(x,y) = x^2 + y^2 -xy - y -1
I can do this with explicit functions by making them equal, but it... | 5 | [
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-0.13... | 28,125 | 28125 | |
Trig problem
August 27th 2013, 02:57 PM #1
Newbie
Joined
Oct 2011
Posts
3
Trig problem
Hi just started trig for university and stuck on this problem highly appreciate if someone can point me in the right direction thanks
Find "R" and "a" such that:
9sin% + 4cos% = Rsin(% + a)
% = angle the... | 5 | [
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0.... | 28,126 | 28126 | |
Polynomial long division with x and y
September 14th 2012, 08:02 AM #1
Junior Member
Joined
Sep 2012
From
sthlm
Posts
53
Polynomial long division with x and y
Problem: Use polynomial long division to find the extreme point to
$f\left( x,y \right)=\left( x^{2}+y^{2} \right)\left( xy+1 \right)=x^{3... | 5 | [
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0.0400390625,
0.052001953125,
-0.0625,
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0.0... | 28,127 | 28127 | |
Multithreshold Segmentation Based on Artificial Immune Systems
Mathematical Problems in Engineering
Volume 2012 (2012), Article ID 874761, 20 pages
http://dx.doi.org/10.1155/2012/874761
Research Article
Multithreshold Segmentation Based on Artificial Immune Systems
^1Departamento de Ciencias Computacionales, CUCEI, ... | 4 | [
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Limit-Point/Limit-Circle Results for Superlinear Damped Equations
Abstract and Applied Analysis
Volume 2013 (2013), Article ID 784761, 10 pages
http://dx.doi.org/10.1155/2013/784761
Research Article
Limit-Point/Limit-Circle Results for Superlinear Damped Equations
^1Faculty of Science, Masaryk University Brno, Kotlá... | 5 | [
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Homework Help
Posted by karan on Saturday, March 2, 2013 at 5:08am.
find k if one of the lines given by kx^2+10xy+8y^2=0 is perpendicular to 2x-y=5
• geometry - Reiny, Saturday, March 2, 2013 at 8:09am
The slope of 2x-y=5 is 2
So the slope of a perpendicular line is -1/2
kx^2 + 10xy + 8y^2 = 0 is supp... | 4 | [
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-0.02075... | 28,130 | 28130 | |
Graph transformations
If I'm given the graph of y = sqrt(3x-x^2) how would I stretch that vertically by 3?
this is not so much a transformation problem. what you have is $y = \sqrt{- \bigg( x - \frac 32 \bigg)^2 + \bigg( \frac 32 \bigg)^2}$ or in other words, square both sides and bring the $-(x - 3/2)^2$
over to get ... | 4 | [
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Union of connected subsets
December 5th 2010, 06:07 PM
okor
Union of connected subsets
Problem: Let $A_{1}$, $A_{2}$, and $A_{3}$ be connected subsets of X, such that $A_{1} \cap A_{2} eq \emptyset$ and $A_{2} \cap A_{3} eq \emptyset$. Prove that $A_{1} \cup A_{2} \cup A_{3}$ is
connected.
So far this i... | 5 | [
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Indeterminate Forms: Limits infinite... help
Now i dont know if i'm right, but maybe my answer can at least point you in the right direction. Lim(x--> inf+) [sin(2/x)]/(1/x) = Lim(x--> inf+) (2/2)[sin(2/x)]/(1/x) = Lim(x--> inf+) 2[sin(2/x)]/(2
/x) Now as x--> infinity, 2/x -->0, so the above is equivalent to: Lim(a-->... | 5 | [
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Evaluate sig x(x+1)^1/2 .dx
Hey Darrylcwc. What does sig mean? Is it the signum function? Something else?
Is the range restricted to x >= -1? (In order to have only real solutions)? If so then you should consider the intervals [-1,0) and [0,whatever]. Also you will have to put a constraint on the limits
if you want a ... | 5 | [
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Finding the closure of sets in a given topology
February 7th 2009, 09:41 AM #1
Finding the closure of sets in a given topology
Hi guys,
I have to find the closure of $K = \left\{ \frac{1}{n} : n\in\mathbb{N} \right\}$, and $A=(0,1)$ in various topologies.
1. In the standard topology, I think $\overline{... | 5 | [
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... | 28,135 | 28135 | |
rational zeros
March 19th 2006, 12:06 PM #1
Newbie
Joined
Jan 2006
Posts
7
rational zeros
state all possible rational zeros for the following function:
f(x)=4[x^3]-3[x^2]+x-12
use synthetic divison to divide...
T(x)=x^5-2[x^4]+3[x^2]-x-2 BY x+2
State the quotient and the remainder.... | 4 | [
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Math Help
April 7th 2008, 07:00 PM #1
Newbie
Joined
Mar 2008
Posts
23
find basis
Find a basis for each of the subspaces.
1. The subspace R^5 given by the solution space of the homogeneous system system
2x_1+2x_2-x_3+x_5=0
-x_1-x_2+2x_3-3x_4+x_5=0
x_1+x_2-2x_3-x_5=0
x_3+x_4+x_5=0.
... | 4 | [
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-0.05... | 28,137 | 28137 | |
trigonometric sum identity
September 28th 2010, 03:33 AM #1
Junior Member
Joined
Oct 2009
Posts
72
trigonometric sum identity
I'm looking for a hint on how to prove that
$\sum \limits _{k=1}^n \cos \left[(2k-1)\theta\right]=\dfrac{\sin \left(2n \theta\right) }{2\sin \theta}$
I know I'm on here ... | 5 | [
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... | 28,138 | 28138 | |
Quadrilaterals
December 31st 2007, 11:32 AM #1
Junior Member
Joined
Dec 2007
Posts
64
Quadrilaterals
Hello everybody, this is my first post!
How do I find the radius of a circle that is in side a diamond/ rombus? The quadrilateral has 2 diagonals of 10 and 20cm. I have got as far as finding that if ... | 4 | [
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complex number calculation
November 28th 2012, 11:00 AM #1
Junior Member
Joined
Oct 2012
From
uk
Posts
41
complex number calculation
Evaluate {(1+i)^(1-i)} and describe the set{1^x} when x is a real number, distinguish between the cases when x is rational and when x is rational. for now considering t... | 4 | [
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[SOLVED] transversality condition
January 10th 2010, 02:29 AM #1
Member
Joined
Nov 2006
Posts
139
[SOLVED] transversality condition
I need some help with the transversality condition.
I have a functional to minimize over an admissible class with one free end value
here it is
$int x'(1 + t^2... | 5 | [
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How to define Laplacian on $L_2$
up vote 1 down vote favorite
2
This might be a dumb question, but I thought the Laplacian (classical) is defined for $C^2$ functions. How do we extend that to be a self-adjoint operator on all of $L_2$? Is it the so called
Friedrich's extension theorem? Is the extension explicit? How w... | 5 | [
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Power and Product Rule
June 2nd 2009, 11:21 AM
lisa1984wilson
Power and Product Rule
Differentiate the given function (two methods)
I only know how to do the chain rule which I get 8(4x-7)
please show how to do this so I can master the rest of the questions my self..thanks
June 2nd 2009, 11:22 AM
Ame... | 5 | [
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Direct Sums of Modules
August 29th 2011, 05:21 AM
Bernhard
Direct Sums of Modules
I am reading Dummit and Foote to gain an understanding of Modules. In section 10.3 Proposition 5 we read:
Proposition 5
Let $N_1$ , $N_{2}$ , ....., Nk be submodules of the R-module M. Then the following are equivalent:
... | 4 | [
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The Use of Fractional Order Derivative to Predict the Groundwater Flow
Mathematical Problems in Engineering
Volume 2013 (2013), Article ID 543026, 9 pages
http://dx.doi.org/10.1155/2013/543026
Research Article
The Use of Fractional Order Derivative to Predict the Groundwater Flow
^1Institute for Groundwater Studies... | 5 | [
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0.023315429687... | 28,145 | 28145 | |
The Labor Theory of Value is true only if profits are zero and wages are uniform • /r/DebateaCommunist
The Labor Theory of Value is true only if profits are zero and wages are uniform (self.DebateaCommunist)
submitted by DistortionMage
sorry, this has been archived and can no longer be voted on
I think I have discov... | 4 | [
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3 questions that I need help on?
September 26th 2006, 03:51 PM
DaAzNJRiCh
3 questions that I need help on?
You don't need to answer all the questions one is enough. I need this by tomorrow morning if possible.
How do I find all the asymptotes (oblique, vertical, horizontal) of this function?
(3x-2)/(squ... | 5 | [
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Work/ratio
August 10th 2010, 07:00 AM
sfspitfire23
Work/ratio
GRE practice
A group of 4 pumps are filling a tank. Each of the 3 smaller pumps works at 2/3rds the rate of the largest pump. If all 4 pumps work at the same time, they should fill the tank in what fraction
of the time that it would have take... | 4 | [
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Radicals
A radical
or the principal n^th root of k:
k, the radicand, is a real number.
... | 4 | [
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-0... | 28,149 | 28149 | |
th
Below are the first 10 and last 10 pages of uncorrected machine-read text (when available) of this chapter, followed by the top 30 algorithmically extracted key phrases from the chapter as a whole.
Intended to provide our own search engines and external engines with highly rich, chapter-representative searchable tex... | 4 | [
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0.0466... | 28,150 | 28150 | |
When will the two trains meet.
June 15th 2012, 11:47 AM
MikeNoob
When will the two trains meet.
Quote:
Towns A and B are 400 miles apart . If train A leaves in direction of B at 50 mph , how long will it take before that train meets another train going from B to A at the speed of 30 mph ?
The ans is 5 ... | 4 | [
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Insulating Packaging Solution Based on Cylinder Model
Mathematical Problems in Engineering
Volume 2013 (2013), Article ID 972589, 5 pages
http://dx.doi.org/10.1155/2013/972589
Research Article
Insulating Packaging Solution Based on Cylinder Model
^1Department of Packaging Engineering, School of Mechanical Engineerin... | 4 | [
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... | 28,152 | 28152 | |
Inverse Image Intersection Equality and Counterexample of a Function Proof
September 7th 2010, 05:43 PM #1
Newbie
Joined
Sep 2010
Posts
2
Inverse Image Intersection Equality and Counterexample of a Function Proof
Suppose f is a function with sets A and B.
1. Show that:
$I_{f} \left(A \cap B\right... | 4 | [
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0.015014... | 28,153 | 28153 | |
6.3 Orders and Maximal orders
Next: 6.4 Lattices and ideals Up: 6 Algebraic Number Fields Previous: 6.2 Algebraic Number Fields
We now look a the subring R of K consisting of matrices with integer entries; R is called an order in K. Now, for any invertible n×n matrix g it is clear that gKg^-1 is isomorphic to K; b... | 4 | [
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prove Digital line is not hemeomorphic
Prove that the digital line in not homeomorphic to Z with the finite complement topology
If two topological spaces are homeomorphic to each other, they share the same topological invariants, such as connectedness, compactness, Hausdorffness, and homotopy groups. That means if one... | 4 | [
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-0.0189208984375,
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-0.07373046875,
-0.041015625... | 28,155 | 28155 | |
Get the set of every direction of S
October 21st 2011, 08:13 AM
Lolyta
Get the set of every direction of S
Well, d is a direction of a set S if for all $x \in{S}, \lambda \geq{0}, x+\lambda d \in{S}$.
Let $S=\left\{{(x_1,x_2): x_1-2x_2 \geq{-6}, x_1-x_2\geq{-2}, x_1\geq{0}, x_2 \geq{1}}\right\}$ I have to ge... | 5 | [
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0.01324462890625,
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-0.022... | 28,156 | 28156 | |
Adsorption of Cu (II) on the Surface of Nonconventional Biomass: A Study on Forced Convective Mass Transfer in Packed Bed Column
Journal of Waste Management
Volume 2013 (2013), Article ID 632163, 8 pages
http://dx.doi.org/10.1155/2013/632163
Research Article
Adsorption of Cu (II) on the Surface of Nonconventional Bio... | 4 | [
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Polynomial regression techniques
September 5, 2009
By Todos Logos
Suppose we want to create a polynomial that can approximate better the following dataset on the population of a certain Italian city over 10 years. The table summarizes the data:
$$\begin{tabular}{|1|1|}\hline Year & Population\\ \hline 1959&4835\\ 1... | 5 | [
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proving a function is continuous with a given topology
January 11th 2011, 06:33 PM #1
Member
Joined
Aug 2008
Posts
249
proving a function is continuous with a given topology
let f: R -> R be injective where R is given by the cofinite topology. Show that f is continuous.
so i know that the cofinite t... | 5 | [
0.09619140625,
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-0... | 28,159 | 28159 | |
-Laplace Equation with the Neumann Boundary Conditions
Abstract and Applied Analysis
Volume 2013 (2013), Article ID 643819, 5 pages
http://dx.doi.org/10.1155/2013/643819
Research Article
Blow-Up in a Slow Diffusive -Laplace Equation with the Neumann Boundary Conditions
^1Department of Mathematics, Dalian Nationaliti... | 5 | [
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0.0302734375,
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Continuous Random Variables: Summary of The Uniform and Exponential Probability Distributions
XX ~ Exp (m)Exp(m)
XX = a real number, 0 or larger. mm = the parameter that controls the rate of decay or decline
The mean and standard deviation are the same.
μ=σ= 1mμ=σ=1m and m= 1μ= 1σm=1μ=1σ
The probability density fun... | 4 | [
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-0.06689... | 28,161 | 28161 | |
Physics Forums - View Single Post - Cartesian equation of plane that i perpendicular to plane and contains line
craka
1. The problem statement, all variables and given/known data
Question states "The plane that contains the line r=<-2,4,3>+t<3,2-1> and is perpendicular to the plane r=<5,0,0>+s<2,1,0>+t<-1,0,1> is:"... | 4 | [
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... | 28,162 | 28162 | |
disjointlize an arbitrary sequence in a ring?
April 23rd 2010, 11:42 PM #1
Member
Joined
Jul 2009
Posts
120
disjointlize an arbitrary sequence in a ring?
In a ring R (nonempty class of sets closed under difference and finite union), any sequence (here means a function on natural numbers $\mathbb N$) $<E_... | 4 | [
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0.0324... | 28,163 | 28163 | |
A really cool trick to help factoring polynomials...
October 18th 2012, 05:03 PM
Nervous
A really cool trick to help factoring polynomials...
I don't know about you guys, but I usually have trouble with trinomials such as
$6x^2+17x+5$
Specifically because I have to use combinations of the factors of 5 an... | 4 | [
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0.1088... | 28,164 | 28164 | |
Increasing/Decreasing Intervals
March 25th 2008, 01:46 PM #1
Newbie
Joined
Feb 2008
Posts
15
Increasing/Decreasing Intervals
I cannot figure out how to do this if anyone can help it would be appreciated!
Find the intervals of increase and decrease for the function f(t) =
$8t/(t+9)^2$
Express... | 4 | [
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0.0045... | 28,165 | 28165 | |
Solve this homogeneous type equation
September 9th 2013, 07:52 AM #1
Member
Joined
Oct 2009
Posts
107
Thanks
2
Solve this homogeneous type equation
I can't seem to solve this question, please tell me what I am doing wrong:
q1.
2xyy' = y^2 - x^2
y' = (y^2-x^2)/(2xy)
divide through b... | 5 | [
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... | 28,166 | 28166 | |
A Triangle
May 23rd 2008, 05:24 PM #1
Junior Member
Joined
Nov 2006
Posts
38
A Triangle
This question is related to a vector/force question, but I just need help with finding two angles:
Given the following triangle:
and knowing that a+b = 14. How can you figure out the length of a and b?
... | 4 | [
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... | 28,167 | 28167 | |
Least Absolute Deviation Estimate for Functional Coefficient Partially Linear Regression Models
Journal of Probability and Statistics
Volume 2012 (2012), Article ID 131085, 20 pages
http://dx.doi.org/10.1155/2012/131085
Research Article
Least Absolute Deviation Estimate for Functional Coefficient Partially Linear Reg... | 4 | [
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Projection Methods for a System of Nonlinear Mixed Variational Inequalities in Banach Spaces
Journal of Function Spaces
Volume 2014 (2014), Article ID 606109, 8 pages
http://dx.doi.org/10.1155/2014/606109
Research Article
Projection Methods for a System of Nonlinear Mixed Variational Inequalities in Banach Spaces
^1... | 5 | [
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I used to be rated X
I used to be rated X October 28, 2007
Posted by Lee in Statistics.
Tags: ISBN, modular arithmetic
trackback
Get your mind out of the gutter: I’m talking about International Standard Book Numbers (ISBNs). The third edition of my first book had the ISBN number 0-534-997949-X. Now, if you’re the cur... | 4 | [
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... | 28,170 | 28170 | |
New Trigo-equation
Condition: $-3-\cos^2x+3\sin 5x\geq 0$ But $3(\sin 5x-1)\leq 0$ and $-\cos^2x\leq 0$. Then $\sin 5x=1$ and $\cos x=0$. Also the right side member must be 0: $1-\sin x=0$ $\sin 5x=16\sin^5x-20\sin^
3x+5\sin x$ If $\sin x=1$ then $\sin 5x=1$. So $\sin x=1\Rightarrow x=\frac{\pi}{2}+2k\pi$
| 4 | [
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... | 28,171 | 28171 | |
Nonhomogenous Linear Equation
February 27th 2009, 02:25 PM #1
Nonhomogenous Linear Equation
Solve the following differential equation:
$y^{''}+y=e^x+x^3$
so starting off with the auxiliary equation I have:
$r^2+1=0$ where the only available solution is $\pm i$
so I would have:
$y_c=c_1 \c... | 5 | [
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... | 28,172 | 28172 | |
Math Help
No we have not learned about the polar form.. The textbook says to write the trigonometric form of (-2i). and that it should look something like this: z = r(cosX + isinX)
mr fantastic means the same thing. $r cis \theta$ is a shorthand way of writing $r(cos \theta + i sin \theta)$, so $-2i = 2cis \left( -\f... | 4 | [
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Induction!
March 7th 2008, 02:48 PM #1
Newbie
Joined
Mar 2008
From
Maine
Posts
13
Induction!
I'm not sure how to go about setting up the steps for this problem.
a1 = 1, a2 = 1 and an = 2an-1 + an-2 for all n ≥ 3. prove an is odd for all n≥1.
first six are 1,1,3,7,17,41
I could also ... | 5 | [
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0.006378173828... | 28,174 | 28174 | |
hysics
Remove all corrections using the formula
This will enable you to determine the terrain corrected Bouguer anomaly. Once the free-air correction, latitude correction, Bouguer slab correction, and terrain corrections have accurately accounted
for the variations in gravitational acceleration they produce, the remain... | 4 | [
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Strong Convergence Theorems for Nonexpansive Semigroups and Variational Inequalities in Banach Spaces
Journal of Applied Mathematics
Volumeย 2012ย (2012), Article IDย 641479, 19 pages
http://dx.doi.org/10.1155/2012/641479
Research Article
Strong Convergence Theorems for Nonexpansive Semigroups and Variational Inequal... | 5 | [
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0.... | 28,176 | 28176 | |
i need help with applying Laplace transform
November 9th 2010, 06:19 AM #1
Newbie
Joined
Nov 2010
Posts
10
hello,
I need to apply Laplace transform on this signal
$\displaystyle x(t)= \sum _{k=0} ^{+\infty} \delta (t-kT)$
and i'm just stuck with this one
any help will be most appreciat... | 5 | [
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-0.06054... | 28,177 | 28177 | |
Matrix Polynomials Question
June 18th 2012, 07:52 PM #1
Junior Member
Joined
Jun 2010
Posts
54
Matrix Polynomials Question
I'm studying for a PhD preliminary exam, and it seems I have some holes in my linear algebra knowledge. I need help with the following problem:
Let A and B be operators V -> V, ... | 5 | [
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-0.003860473632... | 28,178 | 28178 | |
Analysis problem on Sequences
April 1st 2009, 01:44 AM
luoginator
Analysis problem on Sequences
Hi guys, just got a question of Analysis on Sequences.
a sequence e(n) (sry dun know how to type (en) little n.
ok....
e(n)=(1+1/n)^n
(a). Show that e(n) is bounded above
(b). Use The Monotone ... | 5 | [
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0.0296630859375,
-0.1... | 28,179 | 28179 | |
Math Help
September 25th 2012, 05:25 PM #1
Newbie
Joined
Sep 2012
From
North Carolina
Posts
22
153
Explain this:
but first, notice this: if from 153 you take every digits (1,5,3) compute the cube of those digits and add them, you get back 153
(1^3 + 5^3 + 3^3) = 1 +125 + 27 = 153
-----... | 4 | [
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-0.056884765625,
-0.029663... | 28,180 | 28180 | |
rate of change problem
November 16th 2008, 12:03 PM #1
Junior Member
Joined
Nov 2008
Posts
29
rate of change problem
Ok. I have a problem, I thought I was doing this problem correctly but my answers aren't making since logically.
A tank of water in the shape of a cone is leaking water at a constant ... | 5 | [
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0.0615234... | 28,181 | 28181 | |
Are these lines parallel?
April 28th 2010, 11:02 AM #1
Newbie
Joined
Mar 2010
Posts
5
Are these lines parallel?
1.) y=1/6x+8
-2x+12y =-11
2.)y = 5x + 6
-18x + 3y = –54
Could someone show me how to do these problems? I keep asking people t oshow me how, but none of them do. They just tel... | 4 | [
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Can you please help me with Year 9 Algebra 1!
April 19th 2007, 02:58 AM #1
Can you please help me with Year 9 Algebra 1!
Hey, i really hope you can help me..
I'v just started going Algebra, but the problem with me is that i lack motivation, and my last test i got an E+ but it wasn't lack of trying. I do Dista... | 4 | [
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I need a strategy for this one.
Author Message
TAGS:
I need a strategy for this one. [#permalink] 09 Sep 2009, 09:11
1
This post received
... | 4 | [
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A Parametric Investigation of Geometric Variation on Fluid Dynamic Instabilities in Axial Compression Systems
International Journal of Rotating Machinery
Volume 2012 (2012), Article ID 687354, 21 pages
http://dx.doi.org/10.1155/2012/687354
Research Article
A Parametric Investigation of Geometric Variation on Fluid Dy... | 4 | [
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Moment Conditions Selection Based on Adaptive Penalized Empirical Likelihood
Abstract and Applied Analysis
Volume 2014 (2014), Article ID 391719, 16 pages
http://dx.doi.org/10.1155/2014/391719
Research Article
Moment Conditions Selection Based on Adaptive Penalized Empirical Likelihood
^1China University of Petroleu... | 4 | [
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algebra word problems
May 3rd 2008, 03:31 PM #1
Junior Member
Joined
Apr 2008
Posts
51
algebra word problems
1. Eugenia had five times as many quarters as dimes. If the total value of her coins was $16.20, how many of each kind of coin did she have?
2. Yolanda had three times as many nickels as dimes... | 4 | [
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Logarithms and surds
June 6th 2010, 11:46 PM #1
Newbie
Joined
Jun 2010
Posts
9
Logarithms and surds
Thanks for all your help. I appreciate it a lot.
Question 1
If $a^2 + b^2 = 7ab$ show that
$2 \log_{10} \frac{a+b}{3} = \log_{10} a + \log_{10} b$
Question 2
If $1 + \log_{a} (7x - 3... | 4 | [
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Heat Transfer due to Magnetohydrodynamic Stagnation-Point Flow of a Power-Law Fluid towards a Stretching Surface in the Presence of Thermal Radiation and Suction/Injection
ISRN Thermodynamics
Volume 2012 (2012), Article ID 465864, 9 pages
http://dx.doi.org/10.5402/2012/465864
Research Article
Heat Transfer due to Mag... | 4 | [
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Word Problem w/exponents
November 18th 2007, 01:22 PM #1
Word Problem w/exponents
The antibiotic clarithromycin is eliminated from the body according to the formula:
A(t)=500e^-0.1386t
A is amount remaining of mg remaining in body after (t) hours the drug reaches peak concentration. How much time will pas... | 4 | [
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Math Help
April 30th 2008, 06:04 PM #1
Newbie
Joined
Apr 2008
Posts
5
induction
Looking for some help with this problem, Thanks ahead of time
Write out an induction proof of the following equation for all n N.
5 + 9 + 13 + ... + (4n + 5) = 2n^2 + 7n + 5.
Base case: $n=1,$ so $\sum\limits... | 4 | [
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[SOLVED] maximal left ideal or not?
April 20th 2010, 07:26 AM #1
Junior Member
Joined
Jan 2010
Posts
59
Thanks
3
[SOLVED] maximal left ideal or not?
Let R = Mn(F) be the ring consists of all n*n matrices over a field F and
E = E11 + E22 + ... + En-1,n-1, where Eii is the elementary matrix (Eij is... | 5 | [
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Modular arithmetic
March 17th 2011, 12:37 PM
poirot
Modular arithmetic
If 2 numbers a=b mod(n), does that imply they are congruent modulo as well?
Anyway on to the matter at hand. Calculate 2^258 (mod 259)I did it 2 different ways and unfortunatly got 2 different answers.
2^(64)=86 mod 259,
2^(128)... | 4 | [
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HELPP Write complex number in polar form.
December 14th 2008, 12:02 PM #1
Newbie
Joined
Dec 2008
Posts
11
HELPP Write complex number in polar form.
How would I write -4i in polar form? I know that i solve for y..and I get for but I'm not sure where to go from there.
For any complex number $a + bi$, ... | 4 | [
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Can't figure out how the answer was arrived at :(
January 4th 2013, 04:48 AM #1
Newbie
Joined
Dec 2012
From
Texas
Posts
11
Can't figure out how the answer was arrived at :(
I have a couple questions that I know the solutions to, but I can't for the life of me figure out the process involved at arrivi... | 4 | [
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Word Problem
July 22nd 2006, 01:08 PM #1
Junior Member
Joined
Jul 2006
Posts
25
Word Problem
Hi,
Can someone lend a hand with this? Thanks...
I want to plant a garden 10 yards long and 10 yards wide. So I bought 40 yards (10 + 10 + 10 + 10 ) of fencing for the perimeter of the my garden. My wife... | 4 | [
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the encyclopedic entry of Archimedean_property
In
abstract algebra
, the
Archimedean property
, named after the ancient Greek mathematician
Archimedes
of
Syracuse
, is a property held by some
groups
,
fields
, and other
algebraic structures
. Roughly speaking, it is the property of having no
infinitely l... | 4 | [
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the encyclopedic entry of Range (aircraft)
The maximal total range is the distance an aircraft can fly between takeoff and landing, as limited by fuel capacity in powered aircraft, or cross-country speed and environmental conditions in
unpowered aircraft.
The fuel time limit for powered aircraft is fixed by the fuel l... | 4 | [
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Proof on discrete maths, help :)
October 29th 2009, 03:46 PM
primeimplicant
Proof on discrete maths, help :)
I 'm trying to proove that :
(a AND -b) OR (b AND -c) OR (c AND -a) = (a OR b OR c) AND (-a OR -b OR -c)
i ve put it on truth table and its working, but i have to do it actually without truth ta... | 4 | [
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