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the encyclopedic entry of homest Homography is a concept in the mathematical science of geometry . It is defined as a relation between two figures, such that any given point in one figure corresponds to one and only one point in the other, and vice versa. Computer Vision Applications In the field of computer vi...
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Inverse Variation November 18th 2008, 02:08 PM #1 Member Joined Sep 2008 Posts 120 Inverse Variation The acceleration due to the earths gravitational atteraction varies inversely as the square of the the distance from the center of the earth. The acceleration is 32 feet per second per second at 4000 ...
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Homework Help Posted by tyler on Sunday, March 10, 2013 at 5:15pm. A survey team is trying to estimate the height of a mountain above a level plain. From one point on the plain, they observe that the angle of elevation to the top of the mountain is 25 degrees. From a point 1225 feet closer to the mountain along the pl...
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NPV question August 19th 2008, 12:19 AM #1 Member Joined Jan 2008 Posts 91 NPV question David Niven can purchase a new laptop computer today for $2500. The laptop provides an economic benifit of $900 per annum and has an expected life of 6 years. Laptops are expected to decline in price by 10% per an...
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vector space April 30th 2008, 11:08 AM #1 Newbie Joined Mar 2008 Posts 4 vector space Question: if {v,w} is a base of a vector space V, then {v+w,v-w} is also a base of the vector space V. Prove? need to know the steps to solve or any help would be nice. thanks Because {v,w} is a basis they are...
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Power Analysis by Simulation: R, RCT, Malaria Example July 24, 2013 By Francis Smart I have received a number of requests for demonstration code on how to perform a power analysis using simulation in R. I have already demonstrated howto do this in Stata but lacked the easy to use Stata command “simulate” that I pr...
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Derivative with short cut Differentiate the following function $\frac{5x^2+7x+6}{\sqrt{x}}$ = $\frac{10x+7+0}{x^\frac{1}{2}}$ = $(x^\frac{-1}{2})(10x+7)$ = $10x^\frac{1}{2}+7x^\frac{-1}{2}$ where am i going wrong? $\frac{5x^2 + 7x + 6}{x^{1/2}} = 5x^{3/2} + 7x^{1/2} + 6x^{-1/2}$ Now take the derivative. You cannot jus...
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Can someone explain to me how you execute "Re" and "Im" in a formula? September 22nd 2012, 11:40 AM #1 Member Joined Oct 2011 Posts 86 Thanks 1 Can someone explain to me how you execute "Re" and "Im" in a formula? I know that in a complex number such as $z=a+bi$ "Re" is supposed to be the "...
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Data Dependence Results for Multistep and CR Iterative Schemes in the Class of Contractive-Like Operators Abstract and Applied Analysis Volume 2013 (2013), Article ID 381980, 7 pages http://dx.doi.org/10.1155/2013/381980 Research Article Data Dependence Results for Multistep and CR Iterative Schemes in the Class of C...
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Homework Help Posted by philip on Friday, September 23, 2011 at 12:17pm. A car starts from rest and accelerates uniformaly at the rate of 0.98m/s in 1hr.what is its final velocity? A car starts from rest and reaches a velocity of 40m/s in 1minutes..(a)what is its acceleration?(b) If its acceleration remains constant,...
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Math Help April 5th 2009, 08:48 AM #1 Newbie Joined Mar 2009 Posts 13 Tunes Bob cranked up his sound system. Initially, the volume is set to v>0. At the end of each second, the control circuitry performs two adjustments: 1.) it resets the volume to the square root of its value then, ...
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how can i solve this August 6th 2008, 08:45 AM #1 Junior Member Joined Jul 2008 Posts 53 how can i solve this ok, this is the task: 8/ x²-4 + 6/ 3x -6 = i know the first step, which is: 8*(3x-6) + 6*(x²-4) / (x²-4)*(3x-6) but then, i dont know what to do $\frac{8}{x^2-4} + \frac...
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Circumcenter of a triangle January 5th 2010, 05:50 PM #1 Newbie Joined Jan 2010 Posts 22 I give up. I've tried different ways and to no avail, can someone please check my work, tell me where I went wrong and point me to the right direction? Coordinates X- (3,36) Y- (66, 69) Z- (97, 74) P...
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A Note on the Stability of the Integral-Differential Equation of the Parabolic Type in a Banach Space Abstract and Applied Analysis Volume 2012 (2012), Article ID 178084, 18 pages http://dx.doi.org/10.1155/2012/178084 Research Article A Note on the Stability of the Integral-Differential Equation of the Parabolic Type...
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Introductory Statistics for the Behavioral Sciences. 7th Edition • Published: January 2012 • 576 Pages • John Wiley and Sons Ltd A comprehensive and user-friendly introduction to statistics for behavioral science students?revised and updated Refined over seven editions by master teachers, this book gives instr...
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Segments formed by an inscribed equilateral triangle May 29th 2008, 07:16 AM #1 Newbie Joined Mar 2008 Posts 20 Segments formed by an inscribed equilateral triangle Hello. This is a problem from a book I'm studying on, I can't understand the solution. "Find each segment formed by an inscribed equila...
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Math Help March 16th 2008, 10:04 AM #1 Newbie Joined Mar 2008 Posts 13 Help =) Having problems solving this diff equation. (1-x^2)y´+ xy = x for -1 < x < 1 I get the ínt factor to 1/(1-x^2)^0,5, But having problems after that. Thank you. does post #21 here help? Hello again ...
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Estimating Strain Changes in Concrete during Curing Using Regression and Artificial Neural Network Journal of Construction Engineering Volume 2013 (2013), Article ID 380693, 8 pages http://dx.doi.org/10.1155/2013/380693 Research Article Estimating Strain Changes in Concrete during Curing Using Regression and Artifici...
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CkBooks Online – Free Online Books Production and Operations Management SCHEDULING Learning Objectives After completing the introductory discussion on Scheduling, the students would be able to understand what scheduling is and how important it is to high volume and intermediate volume systems. It would also help the...
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Finding #(#x) July 15th 2010, 09:39 PM #1 Junior Member Joined Aug 2009 Posts 45 Finding #(#x) For all numbers x, let #x be defined as #x=-x+1. Which of the following is equal to #(#x)? The answer is x. I tried it out by moving the x over to find that (-x+1)/x = # but I got stuck going down that way...
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A Multiresolution Image Completion Algorithm for Compressing Digital Color Images Journal of Applied Mathematics Volume 2014 (2014), Article ID 757318, 13 pages http://dx.doi.org/10.1155/2014/757318 Research Article A Multiresolution Image Completion Algorithm for Compressing Digital Color Images ^1Department of ECE...
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Pricing Scheme of Ocean Carrier for Inbound Container Storage for Assistance of Container Supply Chain Finance Discrete Dynamics in Nature and Society Volume 2014 (2014), Article ID 216057, 11 pages http://dx.doi.org/10.1155/2014/216057 Research Article Pricing Scheme of Ocean Carrier for Inbound Container Storage fo...
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Implicit functions Next: Integration Up: New Functions from old Previous: Inverse functions We will prove the implicit function theorem. Let f (x, y) be a continuous function of two variables so that it is continuous, and differentiable with respect to y when x is kept fixed; in particular, we have expression ...
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Order of elements in a group August 28th 2007, 08:24 AM tttcomrader Order of elements in a group Prove that in any group, an element and its inverse has the same order. My Proof: Let G be a group, and suppose that $a \in G$ and $a^{-1} \in G$. By definitions, $<a> = n$ such that $a^{n} = e$ and $<...
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Diff equation please (a) 1/x * dy/dx + 2/(1+x^2)*y=3 y(1)=4 (b) 2*x * dy/dx = 2*y + (x^2+y^2)^1/2 Thank you very much I'll give you the solution to b, you try to work to that end. Okey-doke?. b): $\frac{5}{x^{2}+1}+\frac{3(x^{2}+1)}{4}$ simfonija $\frac{1}{x}\frac{dy}{dx}+\frac{2}{1+x^2}y=3$ Multiply by "x", $\frac{d...
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Ups and downs of sea level projectionsUps and downs of sea level projections Ups and downs of sea level projections By Stefan Rahmstorf and Martin Vermeer The scientific sea level discussion has moved a long way since the last IPCC report was published in 2007 (see our post back then). The Copenhagen Synthesis Report...
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Binomial Expansion December 13th 2010, 07:36 AM #1 Junior Member Joined Jul 2009 From Singapore Posts 47 Binomial Expansion Good Day, I've been faced with a funny binomial expansion. Attached it with the answer from the book for your reference. My question is, how do we get to the answer if...
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locus of points equidistand to both a point and straight line(horizontal) September 27th 2013, 09:22 PM #1 Junior Member Joined Sep 2013 From south africa Posts 27 locus of points equidistand to both a point and straight line(horizontal) P(x;y). Is a point which is equidistant to both point D(2;-5) a...
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Eulerian Oil Spills Model Using Finite-Volume Method with Moving Boundary and Wet-Dry Fronts Modelling and Simulation in Engineering Volume 2012 (2012), Article ID 398387, 7 pages http://dx.doi.org/10.1155/2012/398387 Research Article Eulerian Oil Spills Model Using Finite-Volume Method with Moving Boundary and Wet-D...
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Euclidean and Taxicab problem March 17th 2011, 08:10 AM jwxie Euclidean and Taxicab problem Hi guys. I have a homework problem that I don't know how to approach. Quote: Find graphically (using MATLAB) for each of the following cases, in both Euclidean geometry, and Taxicab geometry the loci of points ...
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Permutation problem. maybe? October 18th 2011, 07:15 PM #1 Member Joined Sep 2010 Posts 151 Thanks 1 Permutation problem. maybe? This is a problem from my text. Of course my teacher expects us to know the answers without being taught how to do them, so i ask here. 1.) Find the number of password...
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Use substitution to solve a differential equation December 19th 2011, 12:18 AM #1 Super Member Joined Dec 2009 Posts 755 Use substitution to solve a differential equation By using the substitution $v=x-y$, solve the differential equation $\frac{dy}{dx}+[1+(x-y)^2]cos^2x=sin^2x$, expressing $y$ in terms o...
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Basic Recurrence Relation Problem November 29th 2012, 04:53 PM #1 Newbie Joined Oct 2012 From Ohio Posts 14 Basic Recurrence Relation Problem A factory makes custom sports cars at an increasing rate. In the first month only one car is made, in the second month two cars are made, and so on, with n...
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sin(6x)/sin(2x) = sin(3x) ? September 26th 2009, 02:05 PM #1 Super Member Joined Nov 2008 Posts 597 sin(6x)/sin(2x) = sin(3x) ? Is sin(6x)/sin(2x) = sin(3x) ? If not, then what would be the correct way of expressing this? Any input would be greatly appreciated! Thanks in advance! ...
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I think that I am overthinking it July 12th 2008, 01:51 PM #1 Newbie Joined Jul 2008 Posts 15 I think that I am overthinking it it is straight out of my book: Find the volume of the solid where the baseis the given region and which has the property that each cross section perpendicular to the x-axis...
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0.9999..=1 proof April 22nd 2012, 02:43 PM rt20 0.9999..=1 proof Hire some DIFIRENT numbers: 1 0.9...9=x 0.9...8 0.9...7 ....... 0.9...1 0.9...0 0.9..-1 ......... 0.0...1=y 0 x=0.9.. / lets *10 0.9..+0.9..+0.9.. ten times =(1-y)+(1-y).. ten times SO 10x= 10...
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Calculus Assignment - HELP!!! November 24th 2006, 12:25 PM philipsach1 Calculus Assignment - HELP!!! If anyone could help me with these questions, that would be really really great. 1. Determine the derivative of f(x)=(2x^2-1)/x from first principles. Use the quotient rule to verify your answer. 2. The...
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Complex angles Posted by Mathslover on Wednesday, May 29, 2013 at 11:54pm. There are four complex fourth roots to the number 4−43√i. These can be expressed in polar form as z1=r1(cosθ1+isinθ1) z2=r2(cosθ2+isinθ2) z3=r3(cosθ3+isinθ3) z4=r4(cosθ4+isinθ4), where ri is a real number and 0∘≤θi<360∘. What is the value ...
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A report of my Princeton generals exam Well, some people might be wondering why I haven’t updated my blog since two weeks ago…Here’s the answer: I have been preparing for this generals exam — perhaps the last exam in my life. For those who don’t know the game rules: The exam consists of 3 professors (proposed by the k...
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4 Deriving Special Relativity page 1 4. DERIVATION OF SPECIAL RELATIVITY page 1 4.1. The necessity of deriving special relativistic results Any new theory claiming to be more accurate than the old theory must predict the old theories' verified results. The special relativistic predictions derived here are not new. Ho...
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[SOLVED] Epsilon-N Proof October 28th 2009, 04:45 PM Roam [SOLVED] Epsilon-N Proof Prove that the sequence $(\frac{1}{1+n+n^4})$ converges to 0. Here's the solution: http://img517.imageshack.us/img517/7235/81768116.gif Here's my problem: I don't understand why they wrote $N=\frac{1}{\epsilon}$ ! ...
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ultiplication Results 1 - 10 of 62 - Journal of the ACM , 2000 "... We present two new algorithms for solving the All Pairs Shortest Paths (APSP) problem for weighted directed graphs. Both algorithms use fast matrix multiplication algorithms. The first algorithm solves... ..." Abstract - Cited by 60 (6 self) - A...
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Help evaluating integral Could someone please help evaluate the integral $\int {x}^{5}\sqrt{1-{x}^{3} }$ Let $u = 1 - x^3$ $du = - 3x^2 dx$ So we have, $-\frac{1}{3}\int {x}^{3}\sqrt{u} \ du$ But we said $u = 1 - x^3$, so rearranging we get $x^3 = (1 - u)$ So sub that in: = $-\frac{1}{3}\int(1 - u)\sqrt {u} \ du$ = $-...
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~~help ASAP assignment 2!!! June 7th 2006, 09:11 PM #1 Newbie Joined Jun 2006 Posts 9 ~~help ASAP assignment 2!!! can any one do assignment 2 as soon as possible? when u have answer plz explain how did u get it.....and show every steps plz......thnx very much thank you u all.....thnx so much ...
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Rotation of Elliptical Galaxies Astronomy 626: Spring 1995 Integrating the collisionless Boltzmann equation over all velocities and positions yields a simple relationship, the tensor virial theorem, which links a galaxy's shape to its kinematics. Analysis of the observations shows that bright elliptical galaxies are ...
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Math Help April 3rd 2006, 06:37 PM #1 Junior Member Joined Mar 2006 Posts 40 Limits Just need a couple of problems double checked for me. lim (x^2+4x-5)/x^2-1 x->1 I am saying that this limit does not exist because of the 0 numberator. In this one, I have forgotten the rules for squar...
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Throwing Dice, Probability June 4th 2011, 11:10 AM #1 Throwing Dice, Probability Hi everyone. Here's the question: How many dice do you need to throw so that the probability of one of each face showing (i.e. getting at least one dice to show '1', and at least one to show '2', and... etc.) is at least 0.5...
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function defined July 3rd 2006, 10:19 AM #1 Member Joined Jun 2006 Posts 165 For the function defined by f(x)=2-x^2, 0 less than or equal to x, use a sketch to help find a formula for f^-1(x). Gave this one my best shot but I need some help with this one. my answer is: f^ -1(x)= squrt2-x, x less than ...
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Explanation of selection sort, which uses arithmetic progression February 19th 2013, 12:42 PM #1 Newbie Joined Feb 2013 From Northern Ireland Posts 3 Explanation of selection sort, which uses arithmetic progression I'm training to be a software developer but I'm afraid some basic Maths has gotten in ...
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Obtaining deceleration from speed, distance and time June 26th 2008, 01:07 PM #1 Newbie Joined Jun 2008 Posts 4 Obtaining deceleration from speed, distance and time Is it possible to obtain the rate of deceleration of an object, if you know it's original speed/sec, expected distance to travel, and expect...
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Modeling Surface Recombination at the p-Type Advances in Condensed Matter Physics Volume 2014 (2014), Article ID 857907, 9 pages http://dx.doi.org/10.1155/2014/857907 Research Article Modeling Surface Recombination at the p-Type Interface via Dangling Bond Amphoteric Centers Electrical Engineering Department, Colle...
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proving that an interval I = [a,b] has length |b-a| December 6th 2010, 12:47 PM oblixps proving that an interval I = [a,b] has length |b-a| prove that an interval I = [a,b] has length |b-a|. so this is an example in my book. So for the proof they use the indicator function on the interval I so that if the i...
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Orthogonal curves? April 12th 2009, 08:33 AM #1 Newbie Joined Apr 2009 From NC Posts 8 Orthogonal curves? This is just crazy. My prof never went over this stuff and I have been searching on how to do these. I don't even know how to plot them. Please help! Are the curves orthogonal: x^2+y^2=k...
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The Schwartz lantern It’s thanksgiving, let’s have some fun in lantern-making! This thing called Schwartz lantern initially came up in a talk some years ago, I vaguely remembered it as ‘a cool example where the refining triangle approximation of a smooth surface fail to converge in area’. Anyways, it came up again rec...
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Moduli stack of principally polarized abelian varieties up vote 12 down vote favorite 10 I'm looking for an accessible reference for the fact that the moduli stack of principally polarized abelian varieties is in fact an algebraic stack. Faltings/Chai sketch two possible proofs in their book on degenerations of abelia...
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Definition of a branch point February 23rd 2010, 10:02 AM #1 Definition of a branch point I can't seem to find a good definition for a branch point. I have several thoughts and have found various definitions but would like to hear MHFs opinions on this one! I'm thinking something along the lines of... A...
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prove irrational prove that sin(1) (one radian) is irrational. Hint start with taylor series expansion you first need this basic and simple fact about alternating series that if $0 < a_{i+1} < a_i, \ \forall i \in \mathbb{N},$ then $\sum_{i=1}^{\infty}(-1)^{i-1} a_i > 0. \ \ \ \ \ \ \ \ \ (*)$ now suppose $\sin 1 = \f...
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Multiple Reflections and Fresnel Absorption of Gaussian Laser Beam in an Actual 3D Keyhole during Deep-Penetration Laser Welding International Journal of Optics Volume 2012 (2012), Article ID 361818, 8 pages http://dx.doi.org/10.1155/2012/361818 Research Article Multiple Reflections and Fresnel Absorption of Gaussian...
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A woman sold 100 oranges at $12.10, some at the rate of 3 Author Message TAGS: A woman sold 100 oranges at $12.10, some at the rate of 3 [#permalink] 26 Jul 2010, 07:39 ...
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Math Help April 14th 2008, 04:06 PM #1 Member Joined Nov 2007 Posts 232 Limits Find the equation of the tangent line to the curve $f(x) = \sqrt {x - 3}$ at the point $P(7,2)$. $m = \lim_{x \to \-a} \frac{f(x) - f(a)}{x - a}$ $m = \lim_{x \to \-7} \frac{\sqrt{x - 3} - 2}{x - 7} \times \frac{\s...
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Entrained Collective Rhythms of Multicellular Systems: Partial Impulsive Control Strategy Abstract and Applied Analysis Volume 2013 (2013), Article ID 175068, 10 pages http://dx.doi.org/10.1155/2013/175068 Research Article Entrained Collective Rhythms of Multicellular Systems: Partial Impulsive Control Strategy ^1Sc...
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the encyclopedic entry of linear momentum In classical mechanics, momentum (pl. momenta; SI unit kg·m/s, or, equivalently, N·s) is the product of the mass and velocity of an object (p = mv). For more accurate measures of momentum, see the section "modern definitions of momentum" on this page. It is sometimes referred t...
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Conditional Lie-Bäcklund Symmetries and Reductions of the Nonlinear Diffusion Equations with Source Abstract and Applied Analysis Volume 2014 (2014), Article ID 898032, 17 pages http://dx.doi.org/10.1155/2014/898032 Research Article Conditional Lie-Bäcklund Symmetries and Reductions of the Nonlinear Diffusion Equatio...
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polar BVP in Sturm-Liouville April 13th 2009, 06:10 AM #1 Newbie Joined Jan 2008 Posts 4 polar BVP in Sturm-Liouville I want to solve the boundary value problem: Laplace's equation for u(r, theta) = 0, 1 < r < 2, 0 < theta < a (i) ur(1,theta) = 0 (ii) ur(2,theta) = 0 (iii) u(r,0) = 0 ...
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tion In this tutorial, you will learn how to solve a quadratic equation by the factoring method. Tutorial What does xy = 0 mean? x = 0 or y = 0 or both? x = 0 & y = 0 Could x 0 & y 0 & xy = 0? NO What does (x-2) (x 3) = 0 mean? x - 2 = 0 or x 3 = 0 or both? IF x - 2 = 0 then x = 2 ...
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model. Temporal alternation FitzHugh-Nagumo model. Temporal alternation Here we add excitation cI(t) with period T to the FHN system du/dt = F(u, v) + c I(t) = u(1 - u)(u - a) - v + cI(t), dv/dt = H(u, v) = ε (bu - v), I(t) ~ [cos(πt/T)]^500, [-δ ]∫^ δI(t)dt = 1. For small T the system is not ready for the second exc...
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finding deltas algebraically September 5th 2012, 05:02 AM squizygirl07 finding deltas algebraically i am confused how to do this problem.... f(x) = 1/x L = -1 c = -1 epsilon = .1 i got .9 for p and 1.1 for q, which makes the solutions for delta the same. thanks, emma September 5th 2012,...
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the encyclopedic entry of Ground expression A ground expression in mathematical logic is an expression of a logical language (mainly, of a first-order language) that doesn't contain variables, but only logical constants. For example, any expression of a zero-order language is ground. Expressively, as an intuitive or e...
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Coloring regions in a closed aread such that no adjacent regions have same color March 23rd 2012, 11:11 PM #1 Junior Member Joined Jun 2010 Posts 39 Coloring regions in a closed aread such that no adjacent regions have same color 4 colors available, find the number of ways you can color the regions such ...
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Critical Numbers May 18th 2010, 01:06 PM sheva2291 Critical Numbers Find the critical numbers of the function. (Round your answers to three decimal places.) s(t) = 3t4 + 4t3 − 6t2 May 18th 2010, 01:21 PM Deadstar May 18th 2010, 01:23 PM Deadstar Set $s'(t)=0$. You get (I assume by t2 you mean $t...
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On Certain Classes of Biharmonic Mappings Defined by Convolution Abstract and Applied Analysis Volume 2012 (2012), Article ID 379130, 10 pages http://dx.doi.org/10.1155/2012/379130 Research Article On Certain Classes of Biharmonic Mappings Defined by Convolution Department of Mathematics, Hunan Normal University, Ch...
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transcendental vs. irrational. 1. i miss my coco. Posts 16,860 transcendental vs. irrational. an irrational number is a decimal fraction that doesn't repeat nor end. pi falls into this category but i always heard that it is a transcendental number. what is the difference...
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Symmetry Reduced and New Exact Nontraveling Wave Solutions of ( Abstract and Applied Analysis Volume 2013 (2013), Article ID 784134, 5 pages http://dx.doi.org/10.1155/2013/784134 Research Article Symmetry Reduced and New Exact Nontraveling Wave Solutions of (2+1)-Dimensional Potential Boiti-Leon-Manna-Pempinelli Equa...
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logarithms and geometric sequences May 5th 2009, 04:51 PM #1 Newbie Joined Apr 2009 Posts 4 logarithms and geometric sequences i was going through my hw and got stuck on this question- and i haven't been able to figure how on earth to do it! does anyone have any ideas? this is really bugging me now. ...
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Reducing 2x4 matrix to row-echelon form February 15th 2010, 03:02 PM #1 Newbie Joined Oct 2009 Posts 23 Reducing 2x4 matrix to row-echelon form the 2x4 matrix is [2+i 2+i 5 6+i 1-2i 1-2i -2+i 2-i ] the answer for row-echelon form is [4-3i 4-3i 5-10i 8-11i 0 0 -10+10i -3+11i] an...
5
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Proof of the Least Upper Bound(Supremum) of a Set January 24th 2010, 08:03 AM #1 Newbie Joined Jan 2010 Posts 2 Proof of the Least Upper Bound(Supremum) of a Set I'm having a little bit of a problem with this; any help would be handy! Find, with proof the least upper bound of this set of real number...
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Seperable Intial-Value Problem January 30th 2011, 09:38 AM #1 Junior Member Joined Nov 2009 Posts 38 Seperable Intial-Value Problem $(x^2+3y^2)dx + (2xy)dy = 0$ $y(2)=6$ so this homogeneous eqn. needs to be transformed into a separable eqn. right? $y=vx , v=\frac{y}{x}$ $\frac{dy}{dx}=...
4
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Kinetic, Gravitational Potential and Elastic Potential Energy June 11th 2012, 12:18 PM #1 Junior Member Joined May 2012 From Bristol Posts 30 Thanks 4 I have a question involving the extension of an elastic string that has me a little stumped. The set up of the question is as follows: Pa...
5
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solve each equation algebraically August 11th 2012, 09:19 PM etran3358 solve each equation algebraically 1/3x^2-5/6=1 3x√ x-1 +2√ (x-1)^3=0 ......... square root symbol is over the x-1 and x-1^3 x^3-26x^3/2=27 2x^2(2x-1)^1/3=4x(2x-1)^4/3 15/2^x-1=7 3^x-1 + 3^x+1 =30 Any help on any ...
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Asymptotic Convergence of the Solutions of a Discrete Equation with Two Delays in the Critical Case Abstract and Applied Analysis Volume 2011 (2011), Article ID 709427, 15 pages http://dx.doi.org/10.1155/2011/709427 Research Article Asymptotic Convergence of the Solutions of a Discrete Equation with Two Delays in the...
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Strong Convergence Theorems for Maximal Monotone Operators with Nonspreading Mappings in a Hilbert Space Abstract and Applied Analysis Volume 2012 (2012), Article ID 917857, 11 pages http://dx.doi.org/10.1155/2012/917857 Research Article Strong Convergence Theorems for Maximal Monotone Operators with Nonspreading Map...
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Calculating the equation and slope of a Right Bisector December 21st 2007, 08:26 AM mathdonkey Calculating the equation and slope of a Right Bisector I'm doing a math course through correspondence and I'm having some trouble with a couple of things that haven't been properly explained in the work book. Ther...
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Help me please: difficult problems October 26th 2008, 11:11 AM #1 Newbie Joined Oct 2008 Posts 5 Help me please: difficult problems Hi everyone I got an exam tomorrow and I just found this website I shoulda found earlier. Please help me if you know how to do these problems: 1. If 3 people are pi...
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Need Help With Math B Regents June 2005 May 27th 2007, 04:15 PM #1 Junior Member Joined Nov 2006 Posts 73 Need Help With Math B Regents June 2005 I'm currently reviewing for the Math B regents and I have some trouble with 5 questions I looke up the answers online but i still need help showing the work to...
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Modified Mann-Halpern Algorithms for Pseudocontractive Mappings Abstract and Applied Analysis Volume 2013 (2013), Article ID 478647, 6 pages http://dx.doi.org/10.1155/2013/478647 Research Article Modified Mann-Halpern Algorithms for Pseudocontractive Mappings School of Science, Shenyang University of Technology, She...
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Hopf Bifurcation Control in a Delayed Predator-Prey System with Prey Infection and Modified Leslie-Gower Scheme Abstract and Applied Analysis Volume 2013 (2013), Article ID 704320, 11 pages http://dx.doi.org/10.1155/2013/704320 Research Article Hopf Bifurcation Control in a Delayed Predator-Prey System with Prey Infe...
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6.7 Prime ideals Next: 7 Quadratic fields Up: 6 Algebraic Number Fields Previous: 6.6 Minkowski's Geometry of Another way to write generators of groups of ideals is to use prime ideals. An ideal P of R is prime if for every a and b in R so that ab lies in P at least one of a and b lies in P; an equivalent assertio...
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Physics Help!! January 21st 2007, 08:54 AM #1 Junior Member Joined Aug 2006 Posts 38 Physics Help!! hi anyone can help me on this? (a) A 3 ton vehicle travels along a horizontal road at 50km/h against a tractive resistance of 150N per ton. Calculate the braking force needed to stop the vehicle in 50...
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[SOLVED] factorising quadratics well you can use, the following formula to find theroots of the quadratic equation: X1 = 0.5*(1 + sqrt(1 + 24)) = 3 X2 = 0.5*(1 - sqrt(1 + 24)) = -2 thus the factorization is: (x-3)*(x+2) the general fomula for finding the roots of a quadratic equation of the following form: p(x) = a*x^2...
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URGENT HELP!!! lol (Trig Problems) May 3rd 2009, 04:27 PM math/retarded URGENT HELP!!! lol (Trig Problems) 1. (sinx/1+sinx) - (sinx/1-sinx) 2. tanx(cotx-cosx) = ? 3. cos4x 4. (tanx+1)(2sinx-sqrt3) = 0 5. sin2x + sinx = 0 6. sin^2(2)x=1 If yall could help me that would be great, i re...
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tetrahedron die probability January 17th 2010, 01:45 AM thereddevils tetrahedron die probability A fair tetrahedron die has four faces , each with digit 1,2,3,4 . THe die is tossed three times. The sum of three visible surfaces is recorded as T at each toss . The events A , B and C are defined as follows . ...
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Question regarding these two extreme values problems... May 11th 2011, 03:42 PM #1 Newbie Joined May 2011 Posts 12 Question regarding these two extreme values problems... So I'm on the last two problems of this assignment and I've worked them both out as far as I can and I can't seem to figure out where ...
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Smooth Function R^3 -> R^4 February 12th 2011, 12:57 AM #1 Newbie Joined Mar 2010 Posts 16 Smooth Function R^3 -> R^4 Is the function F: R^3 -> R^4 defined by F(x,y,z) = (sqrt(x), x,y,z) if x >= 0 and (sqrt(-x), x,y,z) if x < 0 smooth on all of R^3? I'm thinking it is not, because taking the square ...
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the circle equation June 6th 2007, 04:03 AM #1 Newbie Joined Jun 2007 Posts 9 The circle with equation x^2 + 4x + y^2 - 6y = 3 has center C and radius r, where? □ C = (0,0) ; r = Ö3 □ C = (2, -3) ; r = 16 □ C = (2, -3) ; r = 4 □ C = (-2,3) ; r = 16 □ C = (-2,3) ; r = 4 ...
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A Posteriori Error Estimates for a Semidiscrete Parabolic Integrodifferential Control on Multimeshes Discrete Dynamics in Nature and Society Volume 2012 (2012), Article ID 481295, 24 pages http://dx.doi.org/10.1155/2012/481295 Research Article A Posteriori Error Estimates for a Semidiscrete Parabolic Integrodifferent...
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Finding an equation that is tangent to a curve and whose slope is a max. April 17th 2010, 08:32 PM #1 Member Joined Nov 2009 Posts 171 Finding an equation that is tangent to a curve and whose slope is a max. a) Find an equation of a line that is tangent to the curve f(x)=2cos3x and whose slope is a maxim...
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If x is an integer, what is the value of x? Author Message TAGS: If x is an integer, what is the value of x? [#permalink] 01 Feb 2012, 21:58 1 ...
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Structural Pounding Detection by Using Wavelet Scalogram Advances in Acoustics and Vibration Volume 2012 (2012), Article ID 805141, 10 pages http://dx.doi.org/10.1155/2012/805141 Research Article Structural Pounding Detection by Using Wavelet Scalogram ^1DeepSea Engineering (US) Inc., Former at Utah State University...
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Express as a single fraction October 29th 2012, 05:26 AM #1 Newbie Joined Oct 2012 From London Posts 2 Express as a single fraction Hi all, This is my first post so thank you for reading it. I have started advanced level maths after 12 years of no studying of the subject. I have learned most of ...
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Relative errors product July 25th 2006, 01:58 AM #1 Relative errors product Can someone show me the proof that relative error of product of approximant numbers is equal to sum of relative errors of each factors? I need to show that $\delta _{x'y'} = \delta _{x'} + \delta _{y'}$ I know that $\left| ...
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