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Could you help me a exponential decay question? November 14th 2013, 07:00 AM yanirose Could you help me a exponential decay question? Hi, all. Please teach me a question about exponential decay. The question is "You buy a supposedly genuine 2000 year old eggshell of the extinct giant elephant bird Aepyornis...
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First: upper-star, then: lower-star, finally: lower-shriek up vote 13 down vote favorite 6 For a category $\mathcal{C}$, let $\mathcal{C}-Set$ denote the category of functors $\mathcal{C}\to{\bf Set}$. Recall that given a functor $F\colon\mathcal{B}\to\mathcal{C}$, the ``composition with $F$" functor is denoted $F^*\c...
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Analysis of Laminated Shells by Murakami’s Zig-Zag Theory and Radial Basis Functions Collocation Journal of Applied Mathematics Volume 2013 (2013), Article ID 123465, 14 pages http://dx.doi.org/10.1155/2013/123465 Research Article Analysis of Laminated Shells by Murakami’s Zig-Zag Theory and Radial Basis Functions Co...
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Taking integrals with e April 17th 2008, 02:59 PM #1 Taking integrals with e I'm having trouble solving: $\int_0^2 \frac{2}{3} e^{-t/3} dt + \int_2^{\infty} \frac{t}{3} e^{-t/3} dt$ even though I have the answer. It is getting from step to step that is hard. Step 2 is: $-2e^{-t/3}\bigg|_{0}^{2} -...
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very confusing homework March 19th 2008, 05:47 PM hamadouousmane very confusing homework What is the approximate area of a segment of a circle with a radius 12 meters if the length of the chord is 20 meters? Round your answer to the nearest whole number. I started but i could not solve for theta given as: ...
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Math Help December 20th 2009, 06:41 AM #1 Junior Member Joined Mar 2009 Posts 26 Statistics Please help me with this problem: Linda found that bluebirds in her area spend 10% of their day at her bird feeder. If 8 bluebirds live the area, how many minutes during a 12 hour period are 3 bluebirds expec...
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Devaney Chaos and Distributional Chaos in the Solution of Certain Partial Differential Equations Abstract and Applied Analysis Volume 2012 (2012), Article ID 457019, 11 pages http://dx.doi.org/10.1155/2012/457019 Research Article Devaney Chaos and Distributional Chaos in the Solution of Certain Partial Differential E...
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Continuous-Time Portfolio Selection and Option Pricing under Risk-Minimization Criterion in an Incomplete Market Journal of Applied Mathematics Volume 2013 (2013), Article ID 175269, 11 pages http://dx.doi.org/10.1155/2013/175269 Research Article Continuous-Time Portfolio Selection and Option Pricing under Risk-Minim...
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Non-square inverse proofs November 3rd 2007, 06:32 PM #1 Newbie Joined Nov 2007 Posts 2 Non-square inverse proofs I need to prove the following: 1 A non-square matrix cannot have both a left and a right inverse 2 If a non-square matrix has a left(right) inverse, it has infinitely many. 3 If ...
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Hybridization of Cognitive Radar and Phased Array Radar Having Low Probability of Intercept Transmit Beamforming International Journal of Antennas and Propagation Volume 2014 (2014), Article ID 129172, 11 pages http://dx.doi.org/10.1155/2014/129172 Research Article Hybridization of Cognitive Radar and Phased Array Ra...
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A Weighted Average Finite Difference Method for the Fractional Convection-Diffusion Equation Advances in Mathematical Physics Volume 2013 (2013), Article ID 129404, 5 pages http://dx.doi.org/10.1155/2013/129404 Research Article A Weighted Average Finite Difference Method for the Fractional Convection-Diffusion Equati...
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acceleration and velocity April 25th 2007, 11:16 AM #1 Junior Member Joined Mar 2007 Posts 56 acceleration and velocity I don't understand the reasoning behind a few steps in this problem: What constant acceleration is required to increase the speed of a car from 30 mi to 50 mi in 5 seconds? a...
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Math: Absolute value (Modulus) ABSOLUTE VALUE (Modulus) This post is a part of [ GMAT MATH BOOK ] created by: walkeredited by: bb , Bunuel -------------------------------------------------------- This topic is included in GMAT ToolKit App (iPhone/iPod Touch) [ read more ] [ AppStore ] -----------------...
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Equation of a line in 2-space March 26th 2011, 05:21 PM #1 Junior Member Joined Nov 2009 Posts 46 Equation of a line in 2-space I have two lines r: [x,y]=[3,2]+t[4,-5] q: [x,y]=[1,1]+s[7,k] a) for what values of k are the lines perpendicular? I got this by using the dot product of [4,-...
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Rotation of a triangle March 29th 2010, 07:40 AM #1 Junior Member Joined Mar 2010 Posts 31 Rotation of a triangle (a) A triangle has vertices at the points A(3,−1), B(−2,1) and C(2,3). Suppose that the triangle is to be moved so that B is at the origin and BA lies along the positive x-axis. One isometry ...
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Help on Markov chains to calculate the mean time to reach a particular state March 26th 2013, 06:53 PM #1 Newbie Joined Mar 2013 From Japan Posts 10 Help on Markov chains to calculate the mean time to reach a particular state Hello guys, I have a 2D markov chain as shown above with 4 states....
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So confused..... domain and range of composite trig functions February 18th 2010, 09:05 PM #1 Newbie Joined Feb 2010 Posts 2 So confused..... domain and range of composite trig functions How can I identify the domain and range of problems such as sin(cos^-1(2x)) without using a calculator??? Other p...
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Calculus of variations August 31st 2010, 03:30 AM #1 Newbie Joined Aug 2010 Posts 22 Calculus of variations I have to solve Euler-Lagrange for $I[y] = \int \frac{1}{c_{0}} (1 - ky)^{ \frac{1}{2}} (1 + y' ^{2}) ^{ \frac{1}{2}} \,dx$. This is for a problem of a medium through which light passes in 0 <...
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find equation of line May 9th 2008, 01:37 AM #1 Newbie Joined Feb 2008 Posts 20 find equation of line Cant solve this problem. Have and exam coming very soon. Write down the equation of any line through the point (-4, 2) Hence find the equations of the two lines through the point (-4, 2) whose p...
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Fibonacci numbers January 5th 2008, 02:53 AM PaulRS Fibonacci numbers We define the sequence: $<br /> f_n = \left\{ \begin{gathered}<br /> 0{\text{ if }}n = 0 \hfill \\<br /> 1{\text{ if }}n = 1 \hfill \\<br /> f_{n - 1} + f_{n - 2} {\text{ if }}n \geqslant 2 \ hfill \\ <br /> \end{gathered} \right.<br />$ ...
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Life of Francis Galton by Karl Pearson Vol 2 : image 402 342 Life and Letters of Francis Galton was persuaded to take it up and sent his discussion of it to the above Journal'. His discussion with certain preliminary remarks by Galton was also published in the Journal of the Anthropological Institute'. The kernel of ...
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Banach-Saks Type and Gurariǐ Modulus of Convexity of Some Banach Sequence Spaces Abstract and Applied Analysis Volume 2014 (2014), Article ID 427382, 9 pages http://dx.doi.org/10.1155/2014/427382 Research Article Banach-Saks Type and Gurariǐ Modulus of Convexity of Some Banach Sequence Spaces ^1Faculty of Mathematic...
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Configurable Transmitter and Systolic Channel Estimator Architectures for Data-Dependent Superimposed Training Communications Systems International Journal of Reconfigurable Computing Volume 2012 (2012), Article ID 236372, 13 pages http://dx.doi.org/10.1155/2012/236372 Research Article Configurable Transmitter and Sy...
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Global Synchronization of Neutral-Type Stochastic Delayed Complex Networks Abstract and Applied Analysis Volume 2012 (2012), Article ID 631932, 19 pages http://dx.doi.org/10.1155/2012/631932 Research Article Global Synchronization of Neutral-Type Stochastic Delayed Complex Networks ^1School of Mathematics and Physic...
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Summation of Multiple Fourier Series in Matrix Weighted Journal of Mathematics Volume 2013 (2013), Article ID 135245, 7 pages http://dx.doi.org/10.1155/2013/135245 Research Article Summation of Multiple Fourier Series in Matrix Weighted -Spaces Department of Mathematical Sciences, Aalborg University, Fredrik Bajers...
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Traveling Waves for Delayed Cellular Neural Networks with Nonmonotonic Output Functions Abstract and Applied Analysis Volume 2014 (2014), Article ID 490161, 11 pages http://dx.doi.org/10.1155/2014/490161 Research Article Traveling Waves for Delayed Cellular Neural Networks with Nonmonotonic Output Functions ^1Colleg...
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Distributed Adaptive Synchronization for Complex Dynamical Networks with Uncertain Nonlinear Neutral-Type Coupling Journal of Applied Mathematics Volume 2013 (2013), Article ID 548375, 12 pages http://dx.doi.org/10.1155/2013/548375 Research Article Distributed Adaptive Synchronization for Complex Dynamical Networks w...
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Perturbative Gravity and Gauge Theory Relations: A Review Advances in High Energy Physics Volume 2012 (2012), Article ID 726030, 29 pages http://dx.doi.org/10.1155/2012/726030 Review Article Perturbative Gravity and Gauge Theory Relations: A Review ^1Kavli Institute for Theoretical Physics, University of California,...
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Arithmetic series April 6th 2010, 09:27 AM #1 Member Joined Jul 2007 Posts 147 Arithmetic series Hello all! Once again, I am stuck on a problem, and no matter how I twist it, I always end up in equations that have no solutions. Question: The sum of three consecutive members of an arithmetic...
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recursion patterns, arithmetic/geometric equations, and sigma notations November 4th 2009, 12:58 PM sodumb:( recursion patterns, arithmetic/geometric equations, and sigma notations Could a kind soul please be so kind to explain what exactly the variables in the equations of arithmetic/geometric sequences mean? I...
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system of equations June 17th 2008, 09:27 AM kithy system of equations hello everyone! I have some questions about solving a system of equations by the Gaussian and Gauss-Jordan elimination methods. 1) how do i determine which method should i use for each system of equations? 2) using any of the t...
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Complex number question. May 24th 2010, 04:50 AM #1 Junior Member Joined Nov 2009 Posts 25 Complex number question. Find the real and imaginary parts of (-2+2i)^20(1+isquareRt(3)) I don't really know how to solve this question, but I've tried and I haven't actually got a complex number. Could anybod...
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Nonlinear Dynamics of a Periodically Driven Duffing Resonator Coupled to a Van der Pol Oscillator Mathematical Problems in Engineering Volume 2011 (2011), Article ID 248328, 16 pages http://dx.doi.org/10.1155/2011/248328 Research Article Nonlinear Dynamics of a Periodically Driven Duffing Resonator Coupled to a Van d...
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the encyclopedic entry of ruffini's-corpuscle In mathematics , Ruffini's rule allows the rapid division of any polynomial by a binomial of the form x − r . It was described by Paolo Ruffini in 1809 . Ruffini's rule is a special case of long division when the divisor is a linear factor. Ruffini's rule ...
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[ -0.055419921875, -0.01904296875, -0.044921875, 0.056396484375, 0.0257568359375, -0.03515625, -0.0299072265625, -0.001129150390625, 0.00579833984375, -0.0020294189453125, -0.0260009765625, 0.013427734375, 0.0181884765625, 0.041259765625, -0.04296875, 0.0006256103515625, -0.0732421875,...
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the encyclopedic entry of Thue–Siegel–Roth_theorem In mathematics , the Thue–Siegel–Roth theorem , also known simply as Roth's theorem , is a foundational result in diophantine approximation to algebraic numbers . It is of a qualitative type, stating that a given algebraic number α may not have too many rati...
4
[ -0.06103515625, -0.0103759765625, -0.0654296875, 0.00592041015625, 0.01153564453125, 0.0205078125, 0.0074462890625, 0.0615234375, 0.045166015625, -0.0233154296875, -0.030029296875, 0.0859375, 0.031494140625, 0.039306640625, -0.035400390625, -0.028076171875, 0.0220947265625, -0.0507...
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Qualitative Analysis of Solutions of Nonlinear Delay Dynamic Equations International Journal of Differential Equations Volume 2013 (2013), Article ID 764389, 10 pages http://dx.doi.org/10.1155/2013/764389 Research Article Qualitative Analysis of Solutions of Nonlinear Delay Dynamic Equations ^1Department of Mathemat...
5
[ -0.08154296875, -0.0003414154052734375, 0.07568359375, 0.076171875, -0.004241943359375, 0.08642578125, 0.037353515625, 0.00628662109375, 0.140625, -0.0101318359375, 0.12451171875, -0.031982421875, -0.005706787109375, 0.04150390625, -0.03271484375, 0.032470703125, -0.059814453125, -...
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Infinite-Dimensional Lie Groups and Algebras in Mathematical Physics Advances in Mathematical Physics Volume 2010 (2010), Article ID 280362, 35 pages http://dx.doi.org/10.1155/2010/280362 Review Article Infinite-Dimensional Lie Groups and Algebras in Mathematical Physics Department of Mathematics, Emory University, ...
4
[ -0.130859375, 0.0162353515625, 0.01202392578125, 0.09423828125, -0.0108642578125, 0.0361328125, -0.0030364990234375, -0.09228515625, 0.0625, -0.10791015625, 0.11279296875, -0.00439453125, -0.1083984375, -0.00384521484375, -0.0029754638671875, -0.037353515625, -0.11669921875, 0.0659...
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Vascular Tree Segmentation in Medical Images Using Hessian-Based Multiscale Filtering and Level Set Method Computational and Mathematical Methods in Medicine Volume 2013 (2013), Article ID 502013, 9 pages http://dx.doi.org/10.1155/2013/502013 Research Article Vascular Tree Segmentation in Medical Images Using Hessian...
4
[ 0.047119140625, 0.095703125, 0.1005859375, -0.08251953125, 0.048828125, -0.1005859375, -0.0004863739013671875, -0.007659912109375, 0.033203125, -0.050048828125, -0.052978515625, 0.00408935546875, 0.01348876953125, 0.06689453125, -0.103515625, -0.0184326171875, -0.142578125, 0.02575...
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Iterative Scheme for Solving Optimal Transportation Problems Arising in Reflector Design ISRN Applied Mathematics Volume 2013 (2013), Article ID 635263, 12 pages http://dx.doi.org/10.1155/2013/635263 Research Article Iterative Scheme for Solving Optimal Transportation Problems Arising in Reflector Design ^1Departmen...
4
[ -0.0257568359375, -0.02197265625, 0.053955078125, -0.045166015625, -0.0498046875, -0.06005859375, 0.026123046875, 0.0098876953125, -0.034423828125, 0.05908203125, -0.048095703125, 0.0546875, 0.01214599609375, 0.0286865234375, -0.03173828125, 0.01171875, 0.01239013671875, 0.03100585...
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Triangle 20 Solution 1. Let K is a point on side AB (different from B) such that CK=CB. 2. Let L is a point on AC (different from C) such that KL=KC. 3. Let M is a point on AB (different from K) such that LM=LK. Now I prove that M=D. Triangle KCB is isosceles, angle CBK=80 => CKB=80 and BCK=20. Triangle LKC is i...
4
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Strong Convergence of a Projected Gradient Method Journal of Applied Mathematics Volume 2012 (2012), Article ID 410137, 10 pages http://dx.doi.org/10.1155/2012/410137 Research Article Strong Convergence of a Projected Gradient Method Department of Mathematics, Tianjin Polytechnic University, Tianjin 300387, China R...
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[ -0.0927734375, -0.024169921875, -0.0269775390625, -0.06494140625, 0.01123046875, 0.10546875, 0.043212890625, -0.0179443359375, -0.048095703125, -0.0019378662109375, -0.04052734375, 0.125, 0.0888671875, 0.0255126953125, -0.109375, 0.049072265625, 0.059326171875, -0.0286865234375, ...
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LMI-Based Stability Criterion of Impulsive T-S Fuzzy Dynamic Equations via Fixed Point Theory Abstract and Applied Analysis Volume 2013 (2013), Article ID 261353, 9 pages http://dx.doi.org/10.1155/2013/261353 Research Article LMI-Based Stability Criterion of Impulsive T-S Fuzzy Dynamic Equations via Fixed Point Theor...
5
[ -0.039306640625, -0.010498046875, 0.06298828125, -0.038818359375, 0.0007476806640625, 0.02734375, 0.0208740234375, 0.052001953125, 0.046142578125, 0.06103515625, 0.0849609375, 0.02685546875, 0.056884765625, 0.019775390625, -0.09326171875, 0.06640625, 0.048583984375, -0.16796875, ...
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Hybrid Algorithm for Common Fixed Points of Uniformly Closed Countable Families of Hemirelatively Nonexpansive Mappings and Applications Journal of Applied Mathematics Volume 2012 (2012), Article ID 401960, 20 pages http://dx.doi.org/10.1155/2012/401960 Research Article Hybrid Algorithm for Common Fixed Points of Uni...
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[ -0.0106201171875, 0.01611328125, -0.041748046875, -0.05859375, -0.0026702880859375, 0.0017242431640625, 0.049560546875, 0.00128936767578125, 0.01348876953125, -0.00958251953125, 0.0068359375, 0.00159454345703125, 0.10009765625, -0.027587890625, -0.0810546875, -0.01470947265625, -0.03...
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Moving Least Squares Method for a One-Dimensional Parabolic Inverse Problem Abstract and Applied Analysis Volume 2014 (2014), Article ID 686020, 12 pages http://dx.doi.org/10.1155/2014/686020 Research Article Moving Least Squares Method for a One-Dimensional Parabolic Inverse Problem College of Mathematics and Eco...
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[ -0.0712890625, 0.052001953125, 0.0791015625, 0.006317138671875, 0.06640625, -0.058837890625, -0.01904296875, 0.016845703125, 0.0869140625, 0.047119140625, 0.09521484375, 0.033203125, 0.0234375, -0.015869140625, -0.115234375, 0.002105712890625, -0.0341796875, -0.01953125, 0.003082...
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Solving a System of Linear Volterra Integral Equations Using the Modified Reproducing Kernel Method Abstract and Applied Analysis Volume 2013 (2013), Article ID 196308, 5 pages http://dx.doi.org/10.1155/2013/196308 Research Article Solving a System of Linear Volterra Integral Equations Using the Modified Reproducing ...
5
[ -0.08203125, 0.07080078125, 0.0257568359375, -0.039794921875, 0.0067138671875, -0.08203125, -0.056396484375, 0.0228271484375, -0.037841796875, 0.006866455078125, 0.02197265625, -0.0185546875, 0.0152587890625, -0.005157470703125, -0.043212890625, -0.0274658203125, -0.00909423828125, ...
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Generalized Equilibrium Problems Related to Ky Fan Inequalities Abstract and Applied Analysis Volume 2014 (2014), Article ID 301901, 6 pages http://dx.doi.org/10.1155/2014/301901 Research Article Generalized Equilibrium Problems Related to Ky Fan Inequalities Department of Mathematics, University of Craiova, A. I. C...
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[ -0.04248046875, -0.00262451171875, 0.08984375, -0.047119140625, -0.017822265625, 0.05908203125, 0.047607421875, -0.006622314453125, 0.041748046875, 0.062255859375, 0.013916015625, 0.037109375, 0.12353515625, -0.00787353515625, 0.002960205078125, 0.0673828125, 0.107421875, -0.053955...
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Image Retrieval Based on Fractal Dictionary Parameters Mathematical Problems in Engineering Volume 2013 (2013), Article ID 689602, 8 pages http://dx.doi.org/10.1155/2013/689602 Research Article Image Retrieval Based on Fractal Dictionary Parameters ^1College of Computer Science and Technology, Dalian University of T...
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Quantization of Free Scalar Fields in the Presence of Natural Cutoffs Advances in High Energy Physics Volume 2012 (2012), Article ID 201856, 19 pages http://dx.doi.org/10.1155/2012/201856 Research Article Quantization of Free Scalar Fields in the Presence of Natural Cutoffs Department of Physics, Islamic Azad Univer...
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[ -0.06884765625, 0.03955078125, 0.045654296875, 0.04541015625, -0.0159912109375, 0.0712890625, 0.006072998046875, 0.0186767578125, 0.040283203125, -0.05810546875, 0.05029296875, -0.01904296875, -0.1328125, 0.0185546875, 0.0927734375, 0.0081787109375, -0.04736328125, 0.041015625, -...
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Factoring Primes ``The obvious mathematical breakthrough would be development of an easy way to factor large prime numbers.'' -Bill Gates, The Road Ahead, pg. 265 Let be a number field, and let be the ring of integers of . To employ our geometric intuition, as the Lenstras did on the cover of [LL93], it is helpful to ...
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Urgent Help Needed: solving integration April 15th 2009, 07:47 AM #1 Newbie Joined Mar 2009 Posts 10 Urgent Help Needed: solving integration Hello I am trying to solve for Tf in the problem below. Ti = 298, Pf = 10, Pi =1 Integration from Ti to Tf of (Cp/T)dt = integration of Pi to Pf dP/P, where Cp...
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the encyclopedic entry of Apothem The apothem of a regular polygon is a line segment from the center to the midpoint of one of its sides. Equivalently, it is the line drawn from the center of the polygon that is perpendicular to one of its sides. The word "apothem" can also refer to the length of that line segment. Reg...
4
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Checking for Normality with Quantile Ranges and the Standard Deviation March 31, 2013 By Eric Cai - The Chemical Statistician Introduction I was reading Michael Trosset’s “An Introduction to Statistical Inference and Its Applications with R”, and I learned a basic but interesting fact about the normal distribution’...
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Best Estimate from mean and mean squared deviation January 6th 2013, 08:21 AM zeeshahmad Best Estimate from mean and mean squared deviation Hi, I don't have a clue to the correct way of attempting this question: Eight measurements of the volume of a block of iron had a mean value of 26.52cm3 and a mean ...
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SAT maths problem October 20th 2010, 09:56 AM #1 Member Joined Sep 2007 Posts 198 Interest rate problem How much interest will $1000 earn in one year at an annual rate of 8%; if interest is compounded every 6 months? I've thought so far: At 8% in one year interest will be 80. But it is compou...
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power problem February 28th 2008, 09:58 PM #1 Newbie Joined Feb 2008 Posts 13 power problem hi this is my first post over here i wish i can get help with this well i got this problem in my homework and i cant find a way to solve it well the problem is find the last digit of 7^1000000 and 11^...
4
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The Purplemath Forums absolute value quadratic inequalities Hi, does anyone know any websites where I can go to find examples on how to solve absolute value quadratic inequalites such as |x^2 - 1| is less than or equal to 2? Purple math has a section dealing with linear absolute value inequalites but I need to know ...
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Solving equations - missing solutions? July 30th 2011, 11:38 AM #1 Senior Member Joined Jul 2008 Posts 313 Solving equations - missing solutions? I am advised that the following is incomplete, but I "cannot" see what is missing???? x^2 - 11x = 0 x^2 = 11x x = 11 If I put x = 11 into the...
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Having Trouble With ODE Step January 19th 2010, 10:34 AM #1 Newbie Joined Aug 2009 Posts 6 Having Trouble With ODE Step Hey. Looking through my notes here and I'm having trouble with a jump they've made. $<br /> <br /> e^X+(Ye^X-X)\frac{dX}{dY}=0<br /> <br />$ This can be written as: $<br...
5
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T maps Rn into Rm and x =x0 +tv be a line in Rn February 24th 2008, 07:25 PM #1 Newbie Joined Feb 2008 Posts 4 T maps Rn into Rm and x =x0 +tv be a line in Rn Okay I am struggling again, I I think I'm in over my head, a pre-req course would have been helpful. Anyway here I go. Tell whether the state...
4
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Approximate Solutions of Delay Parabolic Equations with the Dirichlet Condition Abstract and Applied Analysis Volume 2012 (2012), Article ID 682752, 31 pages http://dx.doi.org/10.1155/2012/682752 Research Article Approximate Solutions of Delay Parabolic Equations with the Dirichlet Condition Department of Mathematic...
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[ -0.08740234375, 0.07177734375, 0.07861328125, -0.050537109375, 0.036376953125, 0.076171875, -0.0164794921875, 0.025634765625, 0.0712890625, -0.0281982421875, 0.1044921875, 0.007080078125, -0.03662109375, -0.07470703125, 0.006256103515625, -0.035400390625, -0.043212890625, -0.081054...
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Exp-Function Method for Solving Fractional Partial Differential Equations The Scientific World Journal Volume 2013 (2013), Article ID 465723, 8 pages http://dx.doi.org/10.1155/2013/465723 Research Article Exp-Function Method for Solving Fractional Partial Differential Equations School of Science, Shandong University...
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[ -0.0986328125, 0.0242919921875, 0.061279296875, 0.054443359375, 0.006072998046875, -0.03564453125, -0.0625, -0.0289306640625, 0.04296875, 0.06201171875, 0.11669921875, -0.054931640625, -0.0849609375, 0.052734375, 0.05126953125, -0.00830078125, -0.0184326171875, 0.037109375, -0.04...
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Anna University Chennai ELECTROMAGNETIC THEORY for Electrical and Electronics Engineering model question papers Download Model question papers & previous years question papers Awards & Gifts ...
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π Day Special! Estimating π using Monte Carlo March 14, 2012 By Corey Chivers In honour of π day (03.14 – can’t wait until 2015~) , I thought I’d share this little script I wrote a while back for an introductory lesson I gave on using Monte Carlo methods for integration. The concept is simple – we can estimate the ...
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The Fifteen The Fifteen Puzzle The Fifteen Puzzle has been around for over a hundred years, and has been a craze for almost every generation. The basic form is of a 4 by 4 grid usually made with sliding tiles in a tray. There a...
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Evaluate sin18 August 14th 2009, 05:44 AM #1 Senior Member Joined Jan 2009 Posts 290 Evaluate sin18 I need to calculate the exact value of sin18. How do I do that? I see that $\frac {90}{5}=18$, so I must use some form of the addition theorems. What do I do? BTW, how do I type the degree symbol in l...
5
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Preliminary Study of Optimum Piezoelectric Cross-Ply Composites for Energy Harvesting Smart Materials Research Volume 2012 (2012), Article ID 621364, 8 pages http://dx.doi.org/10.1155/2012/621364 Research Article Preliminary Study of Optimum Piezoelectric Cross-Ply Composites for Energy Harvesting Department of Mech...
4
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On the Mean Residual Life Function and Stress and Strength Analysis under Different Loss Function for Lindley Distribution Journal of Quality and Reliability Engineering Volume 2013 (2013), Article ID 190437, 13 pages http://dx.doi.org/10.1155/2013/190437 Research Article On the Mean Residual Life Function and Stress...
4
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Stability Analysis for Delayed Neural Networks: Reciprocally Convex Approach Mathematical Problems in Engineering Volume 2013 (2013), Article ID 639219, 12 pages http://dx.doi.org/10.1155/2013/639219 Research Article Stability Analysis for Delayed Neural Networks: Reciprocally Convex Approach ^1Space Control and Ine...
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[ -0.10693359375, -0.0478515625, 0.0419921875, 0.0181884765625, -0.01385498046875, 0.07275390625, 0.010009765625, -0.027099609375, 0.032958984375, -0.004150390625, 0.08154296875, 0.04736328125, 0.0155029296875, -0.06494140625, -0.2099609375, 0.04931640625, 0.000004112720489501953, -0...
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Difficult Differentiation Problem - How Do You Do This...? November 19th 2008, 04:34 PM AlphaRock Difficult Differentiation Problem - How Do You Do This...? This is the question/additional information copied out from my teacher: Question: Find the equation of the line through (2,1) tangent to y=x^3 - 6x...
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Differential Equations Intergating Factors September 28th 2010, 02:15 AM #1 Super Member Joined Dec 2008 Posts 509 Differential Equations Intergating Factors Hi i have a few question i am having trouble solving: Could someone tell me where my mistakes are. 1) $\frac{dy}{dx}+\frac{y}{x}=y^3$ ...
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-Contractive Non-Self-Mappings with the Generalized Projection in Banach Spaces Abstract and Applied Analysis Volume 2012 (2012), Article ID 651304, 11 pages http://dx.doi.org/10.1155/2012/651304 Research Article Strong Convergence Theorems for Asymptotically Weak -Pseudo--Contractive Non-Self-Mappings with the Gener...
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[ -0.036865234375, -0.00194549560546875, -0.059326171875, -0.0260009765625, -0.00439453125, 0.07763671875, 0.04541015625, 0.041015625, 0.04541015625, -0.0198974609375, 0.04541015625, 0.0235595703125, 0.02294921875, -0.04638671875, -0.024169921875, -0.0294189453125, 0.0186767578125, -...
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Number sequences February 15th 2009, 01:02 PM #1 Newbie Joined Feb 2009 Posts 3 Number sequences This has been bugging me for a while: If I have a number sequence for example, 1, 2, 4, 7, 11 So its like adding 1 then 2 then 3 then 4 and so on.. How would I write it in terms of n? Also,...
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Different shapes with equal area June 23rd 2009, 04:55 AM #1 Newbie Joined Jun 2009 Posts 3 Different shapes with equal area Hello, I would be grateful for any help with regard to formulas for the following: "A piece of string is cut into two pieces of different lengths. These are then used to form ...
4
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Inequalities with absolute values and fractions November 2nd 2009, 08:51 AM ozfingwe Inequalities with absolute values and fractions hi, I am facing a couple of issues with two inequalities, would appreciate help here. 1) |2x + 3| ≤ 3x − 5 the first case would be 2x + 3 ≤ 3x - 5, solves easily, bu...
4
[ -0.03369140625, -0.0235595703125, 0.087890625, -0.046875, 0.0419921875, -0.01153564453125, -0.1015625, 0.0167236328125, 0.00909423828125, -0.019775390625, -0.00970458984375, -0.07568359375, 0.07861328125, 0.03271484375, 0.010498046875, 0.041259765625, 0.08740234375, -0.018310546875...
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Active Comb Filter Using Operational Transconductance Amplifier Active and Passive Electronic Components Volume 2014 (2014), Article ID 587932, 6 pages http://dx.doi.org/10.1155/2014/587932 Research Article Active Comb Filter Using Operational Transconductance Amplifier Department of Electronics Engineering, Indian ...
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[ -0.018310546875, 0.091796875, -0.053466796875, 0.01416015625, -0.04443359375, -0.056640625, 0.08642578125, -0.0257568359375, -0.0380859375, 0.0128173828125, 0.03369140625, -0.045166015625, -0.040283203125, -0.06103515625, 0.0260009765625, 0.08447265625, 0.01007080078125, -0.0076599...
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Relating to Polar Form (Complex #s, Roots of Unity, DeMoivre's Theorem) January 12th 2009, 06:48 PM #1 Newbie Joined Dec 2008 Posts 4 Relating to Polar Form (Complex #s, Roots of Unity, DeMoivre's Theorem) I have some questions on a worksheet dealing with polar form, complex #s, and roots of unity. Any h...
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[ -0.138671875, 0.047119140625, -0.021484375, -0.004638671875, -0.056884765625, 0.0419921875, 0.002197265625, 0.0673828125, 0.030029296875, -0.0008392333984375, 0.056396484375, -0.02685546875, 0.0791015625, 0.0166015625, 0.05810546875, -0.04296875, -0.0732421875, 0.0107421875, -0.0...
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Solving Proportions: More Examples Solving Proportions: More Examples (page 6 of 7) Sections: Ratios, Proportions, Checking proportionality, Solving proportions Another category of proportion problem is that of "similar figures". "Similar" is a geometric term, referring to geometric shapes that are the same, except ...
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A 25 kW, 25 kHz Induction Heating Power Supply for MOVPE System Using L-LC Resonant Inverter Advances in Power Electronics Volume 2013 (2013), Article ID 584129, 10 pages http://dx.doi.org/10.1155/2013/584129 Research Article A 25 kW, 25 kHz Induction Heating Power Supply for MOVPE System Using L-LC Resonant Inverter...
4
[ -0.06884765625, 0.0390625, -0.03759765625, -0.0281982421875, 0.01446533203125, -0.04931640625, -0.07958984375, -0.04345703125, 0.03662109375, -0.0225830078125, 0.0035858154296875, 0.000347137451171875, 0.1376953125, -0.04443359375, 0.0654296875, 0.09033203125, -0.00927734375, 0.031...
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the encyclopedic entry of determinant In algebra , a determinant is a function depending on n that associates a scalar , det( A ), to every n × n square matrix A . The fundamental geometric meaning of a determinant is as the scale factor for volume when A is regarded as a linear transformation ....
5
[ -0.033935546875, -0.0390625, -0.0986328125, -0.06884765625, -0.027099609375, 0.00604248046875, -0.0301513671875, -0.01141357421875, 0.068359375, -0.08056640625, 0.10400390625, 0.08154296875, 0.055908203125, 0.03515625, -0.068359375, -0.0021209716796875, -0.018798828125, 0.034179687...
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Vector to rotation January 30th 2011, 08:40 AM #1 Newbie Joined Jan 2011 Posts 2 Vector to rotation Hi, I have this small problem. I have looked on the internet and I found some answers but they weren't 100% clear. Let's say I have two 3D vectors: x: -0.551020951227745 y: 0.291595823345109 ...
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Mathematical Models of Dissipative Systems in Quantum Engineering Mathematical Problems in Engineering Volume 2012 (2012), Article ID 347674, 12 pages http://dx.doi.org/10.1155/2012/347674 Review Article Mathematical Models of Dissipative Systems in Quantum Engineering Academic Center of Optical Engineering and Phot...
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[ -0.10107421875, -0.016845703125, 0.029052734375, 0.11962890625, -0.1279296875, -0.0128173828125, 0.01123046875, -0.0087890625, 0.0517578125, -0.02294921875, 0.0242919921875, -0.0322265625, 0.004119873046875, -0.0247802734375, 0.00408935546875, 0.0084228515625, 0.0301513671875, 0.02...
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Vibrations of Three-Layered Cylindrical Shells with FGM Middle Layer Resting on Winkler and Pasternak Foundations Advances in Acoustics and Vibration Volume 2012 (2012), Article ID 507031, 11 pages http://dx.doi.org/10.1155/2012/507031 Research Article Vibrations of Three-Layered Cylindrical Shells with FGM Middle La...
4
[ -0.016357421875, 0.08740234375, 0.031982421875, -0.0703125, -0.052490234375, -0.054443359375, 0.00518798828125, 0.05126953125, -0.018798828125, 0.046630859375, -0.07373046875, -0.054443359375, 0.0308837890625, 0.020263671875, -0.005218505859375, -0.05810546875, 0.0966796875, 0.0559...
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A Harmony Search Algorithm for the Reproduction of Experimental Data in the Social Force Model Journal of Applied Mathematics Volume 2014 (2014), Article ID 954607, 9 pages http://dx.doi.org/10.1155/2014/954607 Research Article A Harmony Search Algorithm for the Reproduction of Experimental Data in the Social Force M...
4
[ -0.0206298828125, 0.0712890625, 0.0086669921875, 0.016845703125, -0.02978515625, -0.07177734375, -0.1328125, -0.0703125, 0.0927734375, 0.036865234375, -0.002960205078125, 0.033935546875, 0.17578125, -0.0771484375, -0.000766754150390625, -0.025390625, 0.0289306640625, 0.002609252929...
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Adaptive State-Feedback Stabilization for High-Order Stochastic Nonlinear Systems Driven by Noise of Unknown Covariance Mathematical Problems in Engineering Volume 2012 (2012), Article ID 246579, 13 pages http://dx.doi.org/10.1155/2012/246579 Research Article Adaptive State-Feedback Stabilization for High-Order Stoch...
4
[ -0.0380859375, -0.029541015625, 0.054931640625, 0.01220703125, -0.06494140625, -0.05810546875, 0.031982421875, -0.107421875, -0.03369140625, 0.0198974609375, 0.00927734375, 0.11962890625, 0.08056640625, -0.09814453125, -0.0986328125, 0.099609375, 0.061767578125, -0.01806640625, 0...
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-Pseudomonotone Mappings in Reflexive Banach Spaces Abstract and Applied Analysis Volume 2013 (2013), Article ID 487545, 6 pages http://dx.doi.org/10.1155/2013/487545 Research Article Multivalued Variational Inequalities with -Pseudomonotone Mappings in Reflexive Banach Spaces ^1Department of Mathematics, Faculty of...
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[ -0.01104736328125, -0.02587890625, 0.064453125, -0.04931640625, -0.045166015625, 0.09814453125, 0.028076171875, 0.04931640625, 0.0196533203125, 0.0341796875, 0.04248046875, -0.041015625, 0.072265625, -0.0146484375, 0.037353515625, 0.032470703125, 0.00726318359375, -0.061279296875, ...
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Converting decimals to fractions and a word problem on interest rate August 15th 2007, 09:55 AM #1 Member Joined Jul 2007 Posts 147 Converting decimals to fractions and a word problem on interest rate Hello! I have two questions. 1) Convert 1.2(with the 2 as a recurring number) into a fractio...
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Derivative of the regularized upper incomplete gamma function up vote 1 down vote favorite Hello everyone! I have a question about the derivative of the regularized upper incomplete gamma function. Considering the gamma function and the incomplete gamma function \begin{eqnarray} \Gamma(x)&=&\int_0^\infty {t^{x-1}e^{-...
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EMD and Wavelet Transform Based Fault Diagnosis for Wind Turbine Gear Box Advances in Mechanical Engineering Volume 2013 (2013), Article ID 212836, 9 pages http://dx.doi.org/10.1155/2013/212836 Research Article EMD and Wavelet Transform Based Fault Diagnosis for Wind Turbine Gear Box ^1State Key Laboratory for Manuf...
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[ -0.08984375, 0.10009765625, 0.08154296875, -0.0184326171875, 0.09228515625, -0.0303955078125, -0.0159912109375, 0.0546875, 0.01470947265625, -0.047607421875, 0.02734375, 0.0184326171875, 0.046630859375, -0.09375, -0.03857421875, 0.041015625, -0.041748046875, 0.0208740234375, -0.0...
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Extreme Values November 7th 2009, 03:16 PM #1 Member Joined Sep 2009 Posts 78 Extreme Values Determine the extreme values of each function on the given interval. a) f(x)= 1 + (x+3)^2 , -2<=x<=6 This is my work: Critical numbers of f'(x)=2(x+3) 1) f'(x)=0 when x=-3 Test Critical n...
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Tangent Orbital Rendezvous Using Linear Relative Motion with Mathematical Problems in Engineering Volume 2013 (2013), Article ID 531672, 8 pages http://dx.doi.org/10.1155/2013/531672 Research Article Tangent Orbital Rendezvous Using Linear Relative Motion with Perturbations Research Center of Satellite Technology, ...
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Function within a function problem April 26th 2009, 03:00 PM #1 Newbie Joined Apr 2009 Posts 8 Function within a function problem Hello again! I am again lost on another problem. I wasn't sure what to call this, so hopefully it's still somewhat understandable. Thank you very much in advance! The fun...
5
[ -0.0712890625, -0.028076171875, 0.051513671875, -0.0712890625, -0.0634765625, 0.011474609375, 0.01324462890625, 0.0032196044921875, -0.00238037109375, 0.0157470703125, 0.08544921875, -0.0712890625, 0.0245361328125, 0.007720947265625, -0.02001953125, -0.0050048828125, -0.027099609375,...
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Model-Free, Occlusion Accommodating Active Contour Tracking ISRN Artificial Intelligence Volume 2012 (2012), Article ID 672084, 15 pages http://dx.doi.org/10.5402/2012/672084 Research Article Model-Free, Occlusion Accommodating Active Contour Tracking ^1Department of Computing Science, University of Alberta, Edmonto...
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Order statistics February 28th 2010, 06:24 PM #1 Newbie Joined Feb 2010 Posts 11 Order statistics Let Y1<Y2<Y3 be the order statistics of a random sample from a Uniform $(\theta,1)$ distribution. 1) Show that Y1 is an unbiased estimator of $\theta$ 2)Find an unbiased estimator of $\theta$ and th...
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Complex Integration February 26th 2009, 05:56 AM #1 Complex Integration Right isn't so much a question as an 'am i doing this right'. Evaluate $\int_\delta \frac{z^2}{z - 1} dz$ where $\delta$ is the circle with centre 0 and radius 2, traversed in the usual anti-clockwise sense. And my answer... Th...
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story problem PLEASE HELP... November 2nd 2005, 04:29 PM gw16 story problem PLEASE HELP... Ok this chapter we are using vertex form to solve story problems. Here is the Prob A square, which is 5cm by 5cm, is cut from each corner of a rectangular piece of cardboard snd the sides are folded up to make a ...
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Implicit Differentiation/Related Rates October 19th 2011, 03:53 PM #1 Newbie Joined Sep 2011 Posts 18 Implicit Differentiation/Related Rates Question in manual: Variables x and y are functions of t. If (3x^2)y + 2x =2, and dy= -4 when x=2 and y=-3, dt then find dx sgggggggdt ...
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the encyclopedic entry of master equation In physics , a master equation is a phenomenological set of first-order differential equations describing the time evolution of the probability of a system to occupy each one of a discrete set of states : $frac\left\{dP_k\right\}\left\{dt\right\}=sum_ell T_\lef...
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Asymptotic Behavior of Ground State Radial Solutions for Journal of Mathematics Volume 2013 (2013), Article ID 409329, 7 pages http://dx.doi.org/10.1155/2013/409329 Research Article Asymptotic Behavior of Ground State Radial Solutions for -Laplacian Problems ^1Département de Mathématiques, Faculté des Sciences de T...
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QPSO-Based Adaptive DNA Computing Algorithm The Scientific World Journal Volume 2013 (2013), Article ID 160687, 8 pages http://dx.doi.org/10.1155/2013/160687 Research Article QPSO-Based Adaptive DNA Computing Algorithm ^1Computer Engineering Department, Firat University, Elazig, Turkey ^2Computer Programming Departm...
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Quadrotor IMU with Kalman filter Kalman Filter Algorithm The Kalman filter was developed by Rudolf E. Kalman. Its purpose is to use measurements observed over time, containing noise and other inaccuracies, and produce values that tend to be closer to the true values of the measurements and their associated calculated...
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