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LG WP-1460 Manual Preview of first few manual pages (at low quality). Check before download. Click to enlarge. Download (English) LG WP-1460 Monitor, size: 6.3 MB Instruction: After click Download and complete offer, you will get access to list of direct links to websites where you can download this manual. Abo...
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express limit as definite integral September 19th 2009, 11:27 AM #1 Member Joined Feb 2009 Posts 91 express limit as definite integral Hi I think this would be easier if there was a range but one was not given. Here is the entire question: n Express Lim sum notation (i^5) / (n^6) as a definite i...
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Prove discontinuity at July 7th 2011, 09:20 PM #1 MHF Contributor Joined Mar 2010 From Florida Posts 3,093 Thanks 5 Prove discontinuity at Define $f:\mathbb{R}\to\mathbb{R}$ by $f(x)=8x, \ \text{if} \ x\in\mathbb{Q}$ and $f(x)=2x^2+8$ if x is irrational. Prove from the definition that f is discon...
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rational expressions #2 July 23rd 2013, 03:19 PM Mathnood768 rational expressions #2 http://puu.sh/3K86l.jpg i cannot finish 1 c) and d)... that is how far i got. i am having some problems with turning trinomials with no common factors into binomials thank you July 23rd 2013, 04:16 PM adkinsjr ...
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Project Euler — problem 8 June 9, 2012 By Tony The eight problem of Project Euler: Find the greatest product of five consecutive digits in the 1000-digit number. … The solution is as straightforward as the problem, although the 1000-digit number needs some format changes before product calculation. 1 tmp <- s...
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What is the value of x given that |x - y| = |x - z| (1). y Author Message TAGS: What is the value of x given that |x - y| = |x - z| (1). y [#permalink] 07 Jun 2006, 21:20 ...
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anlytic function How can I find all analytic functions f=u+iv with u(x,y)=(x^2)+(y^2) Thanks for the help. I appreciate it. a) do you know what it means for a function to be analytic? b) do you know what the Cauchy–Riemann equations are? if not read up on those two and give it a shot. i tackled with the problem which...
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Basic Statistics Word Problems August 7th 2007, 09:59 PM Guarana Basic Statistics Word Problems I have these problems due tomorrow - any help is greatly appreciated :) 1. Suppose that a brewery has a filling machine that fills 12 oz bottles of beer. It is known that the amount of beer poured by this fillin...
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Solving equations - Matrix Help! January 10th 2010, 10:04 AM #1 Newbie Joined May 2009 Posts 12 Solving equations - Matrix Help! I just started learning about matrices in class, so this question is supposed to be fairly simple.. but I've never been any good at math, so I'm having a bit of trouble with it...
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the encyclopedic entry of directed acyclic graph In computer science and mathematics , a directed acyclic graph , also called a DAG , is a with no ; that is, for any vertex v , there is no nonempty directed path that starts and ends on v . DAGs appear in models where it doesn't make sense for a vertex to ...
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factoring 2x^2-7xy+3y^2+9x-7y+4, a^2-4b^2-3c^2+8bc-2ac, thomasphilips wrote:how to factor the following 2x^2-7xy+3y^2+9x-7y+4 You can do three terms like a regular trinomial: 2x^2 - 7xy + 3y^2 = 2x^2 - 6xy - 1xy + 3y^2 = (2x - y)(x - 3y) To finish the factoring, you have to find some way of making the rest ...
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Uniqueness of Improper Integral March 4th 2006, 03:38 PM #1 Global Moderator Joined Nov 2005 From New York City Posts 10,616 Thanks 9 Uniqueness of Improper Integral If $f(x)$ is a countinous real function, we define, $\int^{\infty}_{-\infty}f(x)dx$ as being convergent if there exists a $a\in...
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rolle's theorem November 10th 2011, 05:47 PM delgeezee rolle's theorem rolle's theorem f must be continuous on a closed interval [a,b] differential on (a,b) with f(a)=f(b) Then, there is atleast one point C in (a,b) such that f'(c)=0 I am suppose to determine if rolle's theorem applies to the fu...
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Series help!; converge or diverge November 23rd 2008, 04:12 PM #1 Newbie Joined Nov 2008 Posts 3 Series help!; converge or diverge $\sum_{n=1} ^\infty (\sqrt[3]{n})^{3n} * {(\Pi-2)}^{-4n^2}<br />$ Does this converge or diverge and how? $\sum_{n=1} ^\infty {sinh(1/e^x)}$ I'm leaning on co...
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ransitivity Topological transitivity From Scholarpedia Sergiy Kolyada and Ľubomír Snoha (2009), Scholarpedia, 4(2):5802. doi:10.4249/scholarpedia.5802 revision #91880 [link to/cite this article] The concept of topological transitivity goes back to G. D. Birkhoff [1] who introduced it in 1920 (for flows). This arti...
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A Novel Programmable CMOS Fuzzifiers Using Voltage-to-Current Converter Circuit Advances in Fuzzy Systems Volume 2012 (2012), Article ID 419370, 8 pages http://dx.doi.org/10.1155/2012/419370 Research Article A Novel Programmable CMOS Fuzzifiers Using Voltage-to-Current Converter Circuit Department of Electronics and...
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Graph of the Function January 24th 2007, 12:40 PM #1 Banned Joined Jan 2007 Posts 315 Graph of the Function Graph the function f below by starting with the graph of y = x^2 and using transformations (shifting, compressing, stretching and/or reflection. HINT: If needed, write f in the form f(x) = a(x...
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Topological space I'm not sure what you mean by a 'net', but I can show you $A \Leftrightarrow C$ to get you started. First, if $X$ is Hausdorff then, given any $(x,y)\in (X\times X) \backslash \Delta$ we can find disjoint, open neighbourhoods $U_{x},U_{y}\subseteq X$ of $x$ and $y$ respectively. Then $(x,y)\in U_{x}\t...
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express cos (x - y) April 17th 2006, 07:27 AM #1 Junior Member Joined Dec 2005 Posts 40 express cos (x - y) Could anyone give me some hints? I can't think the first step~ Given that $\sin x + \ sin y = a$, $\cos x + \ cos y = b$, express the following in therms of a and b: (a) cos (x...
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f: E → (X1 x X2) is cont iff (g1 o f): E → X1 and (g2 o f): E → X2 are both cont October 20th 2012, 08:46 AM #1 Junior Member Joined May 2012 From NH Posts 26 f: E → (X1 x X2) is cont iff (g1 o f): E → X1 and (g2 o f): E → X2 are both cont I have an outline for the proof, but would appreciate someone...
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Research on the Controlling Parameters of Creep-Thermal Fatigue Crack Advances in Mechanical Engineering Volume 2013 (2013), Article ID 406129, 8 pages http://dx.doi.org/10.1155/2013/406129 Research Article Research on the Controlling Parameters of Creep-Thermal Fatigue Crack School of Mechanical Engineering, Shenya...
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prove that differentiation and integration are inverse functions?? July 6th 2013, 12:51 AM #1 Junior Member Joined Jun 2013 From india Posts 34 Thanks 5 prove that differentiation and integration are inverse functions?? $\mathop {\lim }\limits_{h \to 0} A(x + h) - A(x) = \mathop {\lim }\limits_{h...
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Solving Trig Ids January 24th 2010, 07:14 AM TeriyakiDonnQ Solving Trig Ids I'm given cosx (tanx) = 0 and 2cos^2x + sin x = 2 The first one i did... cosx ( sinx / cosx ) = 0 then i got rid of the cosx from sinx / cosx and got... cos^2x ( sinx ) = 0 is that even right? D: Am I...
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Reconfiguration and Search of Social Networks The Scientific World Journal Volume 2013 (2013), Article ID 391782, 11 pages http://dx.doi.org/10.1155/2013/391782 Research Article Reconfiguration and Search of Social Networks ^1College of Physics and Information Science, Hunan Normal University, Changsha 410081, China...
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strange quadratic February 18th 2011, 03:59 AM #1 Junior Member Joined Nov 2009 Posts 29 strange quadratic a)101.22= 6/1+y + 106/(1+y)^2 b) 101.22= 112+6y/(1+y)^2 c) 101.22y^2 +202.44y+101.22= 112+6y and i was wondering how they got there from a to c Could you put the appropriate par...
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Show me where I went wrong, trig equation November 21st 2009, 12:01 PM #1 Super Member Joined Sep 2008 Posts 607 Show me where I went wrong, trig equation $cos\theta = cos(\theta+60)$ $cos\theta = cos\theta cos60 - sin\theta sin60$ $cos\theta = \frac{1}{2}cos\theta-\frac{\sqrt{3}}{2} sin\theta$...
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Linear Approximation May 2nd 2009, 02:37 PM sk8erboyla2004 Linear Approximation The problem given was $f(x)=e^{x^2}$ near x = 5 solve for exact answer $e^{x^2}+2e^{x^2}(x-5)$ $3e^{x^2}(x-5)$ and then plug in 5 for x $3e^{5^2}(x-5)$ simplify $3xe^{25}-15ex^25$ is this fine? May 2nd...
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Integration by Substitution June 12th 2009, 06:21 AM #1 Newbie Joined Jan 2009 Posts 21 Integration by Substitution $<br /> \int 5\cos(5x) dx<br />$ $<br /> g'(x) = 5, f(g(x)) = cos5x<br />$ $<br /> \int (cos5x)(5) dx<br />$ $<br /> (1/5) \sin5x + C<br />$ Those are my steps above, bu...
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Dice Probability ? July 19th 2010, 05:02 PM Delbert Dice Probability ? When rolling 5 dice, what is the probability of rolling at least one 6, one 5, and one 4. Is there a Formula Such as P=(1/6)x(1/6)x(1/6)+(1/6)x(1/6). I know the probability of rolling one of each with 3 dice is 1/216. I don't know how...
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Set Theory Function Proof April 29th 2010, 02:31 PM #1 Set Theory Function Proof Hi guys, Can you please check this basic set theory/function proof? $\textbf{Theorem. }f^{-1}((\overline{f(S)}) \subseteq \overline{S}$ $\emph{Proof. }$ Let $a \in f^{-1}(\overline{f(S)})$. Then $f(a) = b$ for some $b ...
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LRS Bianchi Type II Massive String Cosmological Models with Magnetic Field in Lyra's Geometry Advances in Mathematical Physics Volume 2013 (2013), Article ID 892361, 5 pages http://dx.doi.org/10.1155/2013/892361 Research Article LRS Bianchi Type II Massive String Cosmological Models with Magnetic Field in Lyra's Geom...
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A series limit Hi ! Prove that : $\lim_{n \to \infty} ~ e^{-n} \sum_{k=0}^n \frac{n^k}{k!}=\frac 12$ :D i think the limit originally comes from probability, something that i'm a complete idiot at it! (Rofl) there's the idea of the proof in this thread. i know a calculus proof but it's long and very ugly! so i think it...
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About Euler's constant (4)... November 12th 2009, 12:25 AM chisigma About Euler's constant (4)... The proposed 'chellenge' is retired because it has been badly impostated!... I beg your pardon for the time You have wasted!... Kind regards $\chi$$\sigma$ November 12th 2009, 06:58 AM Drexel28 ...
4
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Free Fall Lmit/Derivative problem October 16th 2007, 07:28 PM #1 Member Joined Oct 2007 Posts 178 Free Fall Lmit/Derivative problem An object is dropped from the top of a 100-m tower. Its height above the ground after 1 sec is 100-4.9t^2 m. How fast is it falling 2 sec after it is dropped? Formula: ...
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[ 0.0133056640625, 0.0498046875, 0.05859375, -0.027587890625, 0.0712890625, 0.014404296875, -0.05322265625, 0.16015625, -0.004302978515625, 0.0225830078125, 0.10986328125, -0.1103515625, 0.001373291015625, 0.060546875, 0.0087890625, 0.064453125, 0.0213623046875, 0.02392578125, -0.0...
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Log fraction with no calculator April 13th 2010, 11:12 PM #1 Junior Member Joined Apr 2010 Posts 43 Log fraction with no calculator How would I solve $\log_3 {\frac94} + \log_3 4$ without using a calculator. This is far as I got: $\frac{\log 9/4}{\log 3} + \frac{\log 4}{\log 3}$ Thanks! ...
4
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What are the LIMITS of these functions? September 23rd 2010, 05:46 PM #1 Newbie Joined Sep 2010 Posts 10 What is the limit of sin(x) as x is approaching infinity? Also, what is the limit of tan(x) when x is approaching pi from the right? (RIGHT HAND LIMIT) Last, what is the limit of tan(x) ...
4
[ -0.07373046875, -0.036376953125, 0.031005859375, 0.03369140625, 0.033935546875, 0.0286865234375, 0.02392578125, -0.016357421875, -0.0054931640625, -0.028564453125, 0.0026397705078125, -0.001434326171875, 0.02392578125, 0.00019741058349609375, 0.0089111328125, -0.044921875, 0.05859375...
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Word Problem I have never seen before March 30th 2008, 08:56 AM #1 Member Joined Dec 2007 From Georgia Posts 85 Word Problem I have never seen before I know this word problem involves systems of equations, but I have never seen one similar to this before, and I don't have the slightest idea where to ...
4
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On the Strong Convergence of a Sufficient Descent Polak-Ribière-Polyak Conjugate Gradient Method Abstract and Applied Analysis Volume 2014 (2014), Article ID 283215, 7 pages http://dx.doi.org/10.1155/2014/283215 Research Article On the Strong Convergence of a Sufficient Descent Polak-Ribière-Polyak Conjugate Gradient...
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[ -0.052978515625, -0.04541015625, 0.0034027099609375, -0.0181884765625, 0.02197265625, 0.0164794921875, -0.0218505859375, 0.03759765625, 0.01470947265625, 0.005523681640625, -0.01116943359375, 0.1328125, 0.087890625, 0.0203857421875, -0.035888671875, 0.052490234375, -0.000797271728515...
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robabilistic analysis of Introduction. FOREX – is the abbreviation from the English words FOReign EXchange market. Forex – is the largest financial market in the world, whose day turnover makes one and a half billion dollars....
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[ -0.0013885498046875, -0.0654296875, -0.04296875, 0.022216796875, 0.0012664794921875, -0.076171875, 0.036376953125, 0.055419921875, 0.056640625, -0.076171875, -0.064453125, 0.091796875, 0.007659912109375, 0.039794921875, 0.0228271484375, -0.1044921875, 0.0198974609375, -0.0446777343...
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precentage change and weighted mean question September 16th 2013, 11:07 AM #1 Member Joined May 2012 From Toronto Posts 240 Thanks 1 precentage change and weighted mean question A weighted mean for the following test scores 4/10 8/15 19/31 3/5 2/5 5/5 21/28 72/100...
4
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Orthogonal complement December 25th 2011, 03:02 PM #1 Member Joined May 2010 Posts 241 Orthogonal complement I have this problem, I think I've solved the first part, anyway, I'd like you to see it, because I'm not sure if I've proceeded right. The problem says: Let $X=\mathbb{R}^2$. Find $M^{\perp{}...
5
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Exponential of matrices March 15th 2010, 05:05 PM EinStone Exponential of matrices Let T be a square matrix and I be the corresponding Identity Matrix. Show that if $\| T-I \|$ is sufficiently small, there exists a linear Operator S such that $e^S = T$. Hint: expand log(1+x) in a Taylor series. March ...
5
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Fuzzy Adaptive Prescribed Performance Control for MIMO Uncertain Chaotic Systems in Nonstrict Feedback Form Discrete Dynamics in Nature and Society Volume 2014 (2014), Article ID 192387, 6 pages http://dx.doi.org/10.1155/2014/192387 Research Article Fuzzy Adaptive Prescribed Performance Control for MIMO Uncertain Cha...
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Help got exam tomorrow! June 9th 2009, 10:06 PM #1 Junior Member Joined Mar 2007 Posts 33 Help got exam tomorrow! Hey my question is about the trapizodial rule. They give as a table (forget [], just used it to line up the lines): [ x]|0|1|2| 3 | 4 f(x)|1|0|2|10|27 now they tell us to u...
4
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Re: Finite group of order 4n+2 then elements of odd order form a subgroup. December 5th 2012, 03:07 AM #1 Re: Finite group of order 4n+2 then elements of odd order form a subgroup. Let $G$ be a finite group of order $4n+2$ for some integer $n$. Let $g_1, g_2 \in G$ be such that $o(g_1)\equiv o(g_2) \equiv 1 \, (\...
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Cluster Consensus on Discrete-Time Multi-Agent Networks Abstract and Applied Analysis Volume 2012 (2012), Article ID 274735, 11 pages http://dx.doi.org/10.1155/2012/274735 Research Article Cluster Consensus on Discrete-Time Multi-Agent Networks ^1State Key Laboratory of Power Transmission Equipment & System Security...
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Time-Independent Perturbation Theory previous  home  next   PDF Time-Independent Perturbation Theory Michael Fowler   2/16/06 Introduction If an atom (not necessarily in its ground state) is placed in an external electric field, the energy levels shift, and the wave functions are distorted.  This is called the Star...
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A Direct Solution Approach to the Inverse Shallow-Water Problem Mathematical Problems in Engineering Volume 2012 (2012), Article ID 417950, 18 pages http://dx.doi.org/10.1155/2012/417950 Research Article A Direct Solution Approach to the Inverse Shallow-Water Problem ^1Department of Mechanical Engineering, Universit...
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A Multilevel Inverter Bridge Control Structure with Energy Storage Using Model Predictive Control for Flat Systems Journal of Engineering Volume 2013 (2013), Article ID 750190, 15 pages http://dx.doi.org/10.1155/2013/750190 Research Article A Multilevel Inverter Bridge Control Structure with Energy Storage Using Mode...
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[ -0.068359375, 0.043212890625, -0.018310546875, 0.1318359375, 0.0576171875, 0.0076904296875, -0.07421875, 0.09716796875, -0.051513671875, 0.055908203125, 0.011474609375, 0.006500244140625, 0.109375, -0.00860595703125, 0.01318359375, 0.1728515625, -0.0283203125, 0.035888671875, 0.0...
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horizontal asymptotes July 17th 2008, 04:19 AM #1 Member Joined Jul 2008 Posts 89 horizontal asymptotes I am helping a friend and I am trying to remember if this is the correct way to figure out this horizontal asymptote? equation: 1.493x^2 - 39.06x + 273.5 D = --------------------------- ...
4
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Freegroup's normal subgroup May 21st 2012, 05:07 AM #1 Newbie Joined Oct 2011 Posts 24 Freegroup's normal subgroup hey, i'm trying to study for my up coming exams with these past papers but i've gotten stuck with part c, i've tried a bunch of different spanning tree's some gave better generator...
5
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Maximum and minimum applications June 24th 2012, 11:34 PM #1 Newbie Joined Jun 2012 From Australia Posts 2 Maximum and minimum applications Hey guys, need a hand with a problem. A cuboid parcel is to be tied with a length of string both across and longways, forming a cross on top of it. The parc...
4
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Trigonometric identities Trigonometric identities Prove the identity 1-cos2 x= cos2 x tan2 x Hint: use t-chart Left hand side right hand side The LHS side reduces to sin^2(x), due to the LHS being an offshoot of the Pythagorean Identity sin^2(x)+cos^2(x)=1. The RHS side can be rewritten as cos^2(x)*(sin^2(x)/cos^2(x))...
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Trouble finding inverse of y = 10^x / (10^x + 1) December 22nd 2010, 02:05 PM #1 Junior Member Joined Mar 2009 Posts 58 Trouble finding inverse of y = 10^x / (10^x + 1) This is surely where a teacher is handy to have. Luckily, I also have this forum! I'm obviously missing something, but I can't figu...
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Simple implicit differentiation, not so simple for me.. November 12th 2009, 02:59 PM #1 Newbie Joined Nov 2009 Posts 21 Simple implicit differentiation, not so simple for me.. I need help with finding dy/dx by implicit differentiation with this problem: x^2y+y^2x=-2 I am really trying to get th...
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Two-Layer Predictive Control of a Continuous Biodiesel Transesterification Reactor Journal of Applied Mathematics Volume 2013 (2013), Article ID 587841, 14 pages http://dx.doi.org/10.1155/2013/587841 Research Article Two-Layer Predictive Control of a Continuous Biodiesel Transesterification Reactor ^1Shenyang Instit...
4
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The Nonlinear Behavior of Vibrational Conveyers with Single-Mass Crank-and-Rod Exciters Mathematical Problems in Engineering Volume 2012 (2012), Article ID 534189, 17 pages http://dx.doi.org/10.1155/2012/534189 Research Article The Nonlinear Behavior of Vibrational Conveyers with Single-Mass Crank-and-Rod Exciters D...
4
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Science Students - MGMAT Two Part Analysis Overlapping Sets Author Message Science Students - MGMAT Two Part Analysis Overlapping Sets [#permalink] 19 Aug 2012, 23:06 ...
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Fault Reconstruction Based on Sliding Mode Observer for Nonlinear Systems Mathematical Problems in Engineering Volume 2012 (2012), Article ID 451843, 22 pages http://dx.doi.org/10.1155/2012/451843 Research Article Fault Reconstruction Based on Sliding Mode Observer for Nonlinear Systems College of Electrical and Inf...
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Solving Propotions: Examples Solving Proportions: Examples (page 5 of 7) Sections: Ratios, Proportions, Checking proportionality, Solving proportions • You are installing rain gutters across the back of your house. The directions say that the gutters should decline ^1/[4] inch for every four feet. The gutters will ...
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quick question on multivariable calc chain rule problem September 28th 2009, 06:40 PM #1 Member Joined Nov 2008 From MD Posts 165 quick question on multivariable calc chain rule problem find g of f at the indicated point a. g(x,y)= (x^2 * 3y, 3x-y^2) f(x1, x2, x3)= (x1x3, (x2)/(x1x3) ) a=...
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Density curves and normal distributions "Statisticalthinking will one day be as necessary for efficient citizenship asthe ability to read and write." -- H.G. Wells, 1866-1946 2.1 DENSITY CURVES AND NORMALDISTRIBUTIONS...
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Revista de la Unión Matemática Argentina Servicios Personalizados Articulo Indicadores Links relacionados Bookmark versión On-line ISSN 1669-9637 Rev. Unión Mat. Argent. v.47 n.1 Bahía Blanca ene./jun. 2006   The special geometry of Euclidian supersymmetry: a survey Vicente Cortés Abstract: This is a survey a...
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Modeling Approach for Determining Equivalent Optical Constants of Plastic Shading Nets under Solar Radiation Conditions Advances in Materials Science and Engineering VolumeΒ 2012Β (2012), Article IDΒ 158067, 8 pages http://dx.doi.org/10.1155/2012/158067 Research Article Modeling Approach for Determining Equivalent Op...
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Sample Variance August 20th 2009, 08:17 AM knighty Sample Variance From what I know, sample variance is 1/(n-1) summation (i = 1 to n) for (Xi - Xbar)^2 I have proven the expectation of the sample variance to be sigma. Is there such thing as the variance of the sample variance? Unlike finding the e...
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Filter Design for Itô Stochastic Pantograph Systems Mathematical Problems in Engineering Volume 2013 (2013), Article ID 747890, 8 pages http://dx.doi.org/10.1155/2013/747890 Research Article Robust Filter Design for Itô Stochastic Pantograph Systems ^1School of Electrical Engineering and Automation, Shandong Polyte...
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Transformation geometry Hello walreinlim88I think there is a mistake in the question. I believe the transformation matrix should be: $\begin{pmatrix}\dfrac{\sqrt5}{3}&\dfrac23\\ \dfrac23&-\dfrac{\sqrt5}{3}\end{pmatrix}$ which represents a reflection in the line through the origin that makes an anticlockwise angle $\tfr...
4
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Equations: Where am I going wrong? November 22nd 2007, 07:22 AM #1 2x/3-x/4=5 *12= 3*4*2x/3=8x 3*4*x/4=3x 5*12=60 8x-3x=60 5x=60 /5=x=12 Help! I got 12 but it doesn't seem to fit in. Unless I'm just being stupid :/ And this one: 2x-1/6+x+3/3=5/2 *6=1*6*2x-1/2=2...
4
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The Purplemath Forums Determine if the following limits exist Please determine the following limits if they exist. If the limit does not exist put DNE. lim 2+6x-3x^2 / (2x+1)^2 x-> - infinity lim 4n-3 / 3n^2+2 n-> infinity I did lim 2+6x-3x^2 / (2x+1)^2 x-> - infinity (2+6x-3x²)/(4x²+4x+1) (2/x² + 6/x -3)/(4 + 4/x +...
4
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find the least number n. if $9^n -1$ is divded by 2012, what is least value of n. 2012 divides $9^n -1$ what is least value of n. It doesn't for any \displaystyle \begin{align*} n \end{align*}. If \displaystyle \begin{align*} 2012 | \left(9^n - 1\right) \end{align*} then there is some value of \displaystyle \begin{al...
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Probability Problem January 6th 2012, 03:52 AM raed Probability Problem Dear Colleagues, I have the following question and hope to help me to solve it. You randomly choose two days of a week for your holiday. What's the probability that you chose Saturday and Sunday? Best Regards, Raed. ...
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Semi-circle function September 1st 2008, 08:27 AM #1 Member Joined May 2008 Posts 109 Semi-circle function The graph of y=(3x-x)^.5 is a semi-circle with diameter coincident with the positive x-axis, radius 1.5, center at (1.5,0). create a function passing through (3.5,5) and intersecting the x-axis ...
4
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On the Regularized Solutions of Optimal Control Problem in a Hyperbolic System Abstract and Applied Analysis Volume 2012 (2012), Article ID 156541, 12 pages http://dx.doi.org/10.1155/2012/156541 Research Article On the Regularized Solutions of Optimal Control Problem in a Hyperbolic System Department of Mathematics,...
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fundamental theorem of calculus March 4th 2009, 03:52 PM #1 Newbie Joined Feb 2008 Posts 21 fundamental theorem of calculus fundamental theorem of calculus find an expression for g(x)= integral from 0 to x of f(x)dx similar to the one for f(x). f(x) = x+3 for x less than or equal to -1 f(x)...
5
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Projectiles horizontally May 19th 2008, 09:17 AM #1 Newbie Joined May 2008 Posts 3 Projectiles horizontally Question A is ok but try it anyway.I cannot do (B) i need help iv exam tomorrow.no one seems to be able to do this question. (A)A projectile is launched horizontally out to sea with a initial ...
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Influence of Removable Devices' Heterouse on the Propagation of Malware Abstract and Applied Analysis Volume 2013 (2013), Article ID 296940, 6 pages http://dx.doi.org/10.1155/2013/296940 Research Article Influence of Removable Devices' Heterouse on the Propagation of Malware ^1Department of Computer Science and Tech...
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Taylor series help January 1st 2008, 04:06 AM #1 Newbie Joined Jan 2008 From Australia Posts 6 Taylor series help G'day everyone.. Not sure if this question is in the right forum but here goes... I currently trying to write some computer code to generate Sine(x). I have found a site expl...
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How is this problem done? Use the 4 step process to find f(prime)(x) then fine f(prime)(1), f(prime)(2), f(prime) 3 Eq: f(x) = 2 + (3/x) f(prime)(x) = ? Can someone help please? Re: How is this problem done? What is the "four-step process" that you are supposed to be using? Please show all your work so far, when ...
5
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Image and Kernel August 1st 2010, 05:36 AM #1 Senior Member Joined Oct 2008 Posts 393 Image and Kernel Where T : R^4 goes to R^2 is defined by $T(x1,x2,x3,x4) = (x3, 5x1 + 3x4)$ for image do you just put (1,0,0,0) (0,1,0,0) (0,0,1,0) (0,0,0,1) into the RHS which equ...
5
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Counterexample to homomorphism problem January 8th 2014, 08:44 AM #1 Counterexample to homomorphism problem Here it is: Show that if H is any group and h is an element of H with $h^n = e$, then there is a unique homomorphism from $Z_n = < x >$ to H such that $x \mapsto h$. I have been able to prove such...
4
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uniform random multivariate on interval (0,1) February 5th 2011, 11:27 AM #1 Member Joined Jan 2009 From Kingston, PA Posts 96 Hi guys, Im given X, Y, Z are independent uniform random variables on the interval (0,1). The question is find P(x<y<z). Im thinking its a triple integration of f...
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find the solution... April 9th 2011, 12:13 PM slapmaxwell1 find the solution... ok im not sure how to start this problem.... $(1-x^{2})y''-2xy'+90y=0$ the term in front of the y'' is messing me up...any thoughts? anybody? thanks in advance April 9th 2011, 12:32 PM topsquark Quote: This is ...
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rotate coordinate axis &identify the conic. June 6th 2010, 08:07 AM #1 Member Joined May 2009 From New Delhi Posts 153 rotate coordinate axis &identify the conic. $17x^2-312xy+108y^2-900=0$ Raotate the coordinateaxes to remove the xy-term and then identify the type of the conical represent by rh...
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Supernatural Numbers and Undecidable Arithmetical Statements SUPERNATURAL NUMBERS AND UNDECIDABLE ARITHMETICAL STATEMENTS by Scott Hoge ...
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How to simulate wind speed time series with R November 2, 2010 By procomun If you need to generate synthetic wind speed time series, you may find useful the procedure described in  “A Markov method for simulating non-gaussian wind speed time series” by G.M. McNerney and P.S. Veers (Sandia Laboratories, 1985), and “E...
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Proof of Limit June 9th 2006, 11:48 AM c_323_h Proof of Limit I have no experience in proofs whatsoever. Are there any general steps to go about proving math problems? I really don't know how to start these things or what the next steps are after the first step. Here is one from my calculus class I don't kno...
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A Remark on the Regularity Criterion for the 3D Boussinesq Equations Involving the Pressure Gradient Abstract and Applied Analysis Volume 2014 (2014), Article ID 510924, 4 pages http://dx.doi.org/10.1155/2014/510924 Research Article A Remark on the Regularity Criterion for the 3D Boussinesq Equations Involving the Pr...
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Polynomial iteration April 1st 2010, 03:14 PM atreyyu Polynomial iteration Hello, given is a polynomial $P(x)=x^2+4x+2$. Find all solutions to the equation $P^n(x)=0$, where $P^n(x)=\underbrace{ P(P(...P }_{n}(x)...))$. I have managed to work out that the solutions are of the form $\pm\sqrt[n+1]{2}-2$, ...
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River mechanics problem January 21st 2008, 04:07 AM 0-) River mechanics problem I'm having trouble with this question and I appreciate anyone's help. A man swims across a straight river of uniform width W, starting from a point O on one bank of the river. The velocity of the river at a distance y from the b...
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Eigenvalues and Eigenvectors March 8th 2011, 01:50 PM #1 Newbie Joined Mar 2011 Posts 1 Eigenvalues and Eigenvectors I'm struggling with finding the eigenvectors for this paritcular question . I understand how to compute eigenvalues and hence the corresponding eigenvectors but my problem seems to be with...
5
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Modified QR factorization May 23rd 2007, 09:14 PM #1 Newbie Joined May 2007 Posts 3 Any help with this question would be greatly appreciated Let u be a unit vector and define Qu = I - 2uuT (the T means transpose) Show that Qu is symmetric and orthogonal, furthermore show that (Qu)^2 = I ...
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Geometric progression January 8th 2008, 12:00 PM loui1410 Geometric progression Hello guys, I need help solving the following question: The sum of the first three terms in a geometric progression is 195. The difference (?) between the first and second term is larger in 75 than the third term. Find the first...
4
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Just another trivial problem April 15th 2006, 11:32 PM Jones Just another trivial problem Hello, i hope you can help me with this trivial problem(i hope) Determine the the equation for the tangent to the curve y=tan x/x at the given point of ((pi/4),(4/pi)) Is it just the orinary y-y1=k(x-x1) form...
5
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Design of PDC Controllers by Matrix Reversibility for Synchronization of Abstract and Applied Analysis Volume 2012 (2012), Article ID 358201, 11 pages http://dx.doi.org/10.1155/2012/358201 Research Article Design of PDC Controllers by Matrix Reversibility for Synchronization of Yin and Yang Chaotic Takagi-Sugeno Fuz...
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Euler problems/191 to 200 From HaskellWiki < Euler problems (Difference between revisions) m (fixed link) (Solution to problem 192) ← Older edit ...
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Circle Problem March 16th 2010, 07:08 PM Solaris123 Circle Problem Im currently studying for an exam which frankly is way over my head, so I want to see who can help me, right now with this particular problem. I need not only the solution but how to solve and how to apply it to other situations. Thank you an...
4
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how can this be wrong? January 24th 2010, 10:03 PM #1 how can this be wrong? a particle is moving along a straight line with constant acceleration. in an interval of T seconds it moves D metres; in the next interval of 3T seconds it moves 9D metres. how far does it move in a further interval of T seconds? ...
4
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If matrix A is invertible then so it it transpose A^t How do I prove or show this? Not sure how to go about it. If you can prove that both: $A^T \left(A^{-1}\right)^T = \left(A^{-1}\right)^T A^T = I$ then by definition, we've shown that $A^T$ is invertible. So for: $A^T \left(A^{-1}\right)^T = I$ Use the fact that: $X...
4
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Direct Comparison Theorem September 11th 2011, 05:09 PM #1 Member Joined Jan 2011 Posts 156 Direct Comparison Theorem Use the Comparison Theorem to determine whether the integral is convergent or divergent. So I'm thinking that I can compare that integrand to $\int_1^\infty \frac{e^{-x}}{x}dx...
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modeling with diffEQs February 8th 2009, 12:45 PM #1 Newbie Joined Jan 2009 Posts 13 modeling with diffEQs I have been fueling an aneurysm trying to figure these problems out. I just cant put together a formula for a single modeling question. My professor never really went over the process of how to ...
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