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Iowa State - ENGL - 104
English 104Instructor: Jing Xu Office: Ross 353Fall 2006Office Hours: TR 2:10-4:10 pm Email: jxu2@iastate.eduTextbooks and MaterialsQuickTimeanda TIFF(Uncompressed)decompressor areneededtoseethispicture.QuickTimeanda TIFF(Uncompressed)decom
Iowa State - STAT - 531
Stat 531: Data for Retrospective Variables Control ChartsTime 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25Sample Measurements 5 6 3 5 3 4 6 4 7 4 6 2 6 3 8 2 6 6 7 6 4 4 4 5 6 4 5 5 4 5 6 7 8 6 5 5 4 3 7 6 7 5 4 6 7 5 7 6 6 2
Iowa State - STAT - 611
Statistics 611Homework #1 SolutionsFall 20081. (a) Part (i) of Corollary 1 to Lemma 1.4 follows from Lemma 1.4 and the corollary to Lemma 1.1. Parts (ii) and (iii) are obtained by taking transposition on both sides of the identities in part (i)
Iowa State - STAT - 305
Statistics 305EHomework AssignmentsFall 2008Note: Homework assignments are due by 4:30 p.m. on Thursdays.(due 9/4) HW#1: (due 9/11) HW#2:P. 4: 1; P. 13: 1, 2, 4; P. 19: 1; P. 24: 8 P. 47: 1, 2; P. 64: 1 (chapter exercise, ignore the last se
Iowa State - STAT - 611
Statistics 611Homework #1Due 4:30 p.m., Thursday, September 11, 20081. Prove Corollaries 1 and 2 of Lemma 1.4 and Corollaries 1 to 4 of Lemma 1.5. 2. (a) Suppose that C(C) is a subspace of C(A) and that R(D) is a subspace of R(A). Show that
Iowa State - STAT - 305
Statistics 305e NameQuiz 1 February 14, 2008 _Instructor: Dr. WuNote: Points for each question are indicated in the left margin in square brackets.1. The following data are the failure times (in hours) of a sample of 7 transformers:314, 730
Iowa State - STAT - 611
Statistics 611Homework #4Due Thursday, October 30, 20081. Let x be an n 1 random vector with mean vector and variance-covariance matrix . Use Theorem 3.1 to show that x has a multivariate normal distribution if and only if, for every n 1 vec
Iowa State - STAT - 611
Statistics 611Homework #5Due Thursday, November 20, 20081. Take the model to be Model IIa and assume that the distribution y is multivariate normal. of G11 G12 XX A Let G = be any generalized inverse of (the coecient matrix of G21 G22
Iowa State - STAT - 611
Statistics 611Homework #2Due 4:30 p.m., Thursday, September 25, 20081. Suppose that y is an n 1 observable random vector that follows model II. (a) If 1 and 2 are both estimable, is 1 + 2 necessarily estimable? Explain your answer. (b) If
Iowa State - STAT - 305
Statistics 305ELectures: TR 12:402 p.m.; Town 250 Instructor: Huaiqing Wu (isuhwu@iastate.edu)Fall 2008Office Hours: TR 11noon and W 1:302:30 p.m. in 3753 Gilman Hall; or by appointment Office: 2456 Wilson Hall; phone: 294-8949 Grader: Ye Tian (
Iowa State - MATH - 151
SECTION 4.2 4214.2 The Derivative of a Power Function; Sum and Difference Formulas1. 2. 3. 4. 5.The function f (x) = 4 is a constant. f (x) = 0 f (x) = 0 The function f (x) = x 5 is a power function. f (x) = 5x 5 1 = 5x 4 f (x) = 4x 4 1 = 4x 3
Iowa State - CE - 521
Contrasting the Benefits of Primary Clarification versus Prefermentation in Activated Sludge Biological Nutrient Removal SystemsTerrence Michael McCue, P.E.1; Andrew Amis Randall, Ph.D., P.E.2; and F. Gulen Eremektar, Ph.D.3Abstract: The potential
Iowa State - CE - 521
Bioethanol : Industrial production process and recent studies Shinnosuke Onuki ABSTRACT Because of the recent increase in the gas price and interest in environmental issues, the demand of ethanol as substitute of gasoline is rapidly increasing. Basic
Iowa State - CE - 326
AIR POLLUTIONCE 326 Principles of Environmental Engineering Prof. Tim Ellis January 19, 2007Seven Major Pollutants of Concern1. P articulates 2. S ulfur Oxides (SOX) 3. O zone 4. Nitrogen Oxides (NOX) 5. Carbon M onoxide (CO and other hyrdrocarbo
Iowa State - CE - 521
Completely Mixed Activated Sludge (CMAS) Bioreactor Design EquationsSecondary Clarifier Q, SO X, S, V (Q+Qr), S, X (Q-QW), S, XeAeration Tank Qr, Xr, S Return Activated Sludge (RAS) QW, Xr, S Waste Activated Sludge (WAS)Mass Balance: Biomass:S
Iowa State - CE - 326
CE 326 Principles of Environmental EngineeringTim Ellis, Ph.D., P.E. Department of Civil, Construction and Environmental Engineering Iowa State University Spring 2007CE 326 Principles of Environmental Engineering, Copyright 2007 Tim Ellis, Iowa St
Iowa State - CE - 521
Bioremediation of Water Areas Due to Oil Spills Alison Hawkins ABSTRACT There are various methods that can be used to cleanup an oil spill on a waterway. There are physical, chemical, and biological alternatives. The biological method is also known a
Iowa State - CE - 521
BIOREMEDIATION OF POLYCYCLIC AROMATIC HYDROCARBONS IN SOIL AT FORMER MANUFACTURED GAS PLANT SITES Jeremy M. Reinier ABSTRACT The operation of manufactured gas plants has led to contamination of the soil and groundwater around these sites. The nature
Iowa State - CE - 521
Pre-Treatment Technologies for Increasing the Biogas Potential of Agricultural WastesT.A. Shepherd 15 November 2006Abstract Anaerobic digestion (AD) is a common wastewater treatment method employed in municipal, industrial, and agricultural syste
Iowa State - EE - 590
Energy Conversion and Transport Technologies 1.0 Introduction In these notes, we will describe the infrastructure that is available to be considered in the generation and planning functions. We classify this information by Energy conversion, transpor
Iowa State - EE - 590
Energy Conversion and Transport Technologies 1.0 Introduction In these notes, we will describe the infrastructure that is available to be considered in the generation and planning functions. We classify this information by Energy conversion, transpo
Iowa State - C - 61460
Standard Operating ProcedureCalibration of ThermometersPolicy: Thermometers will be calibrated routinely to ensure accuracy of temperatures taken and the safety of food served to children. Procedure: A designated employee will calibrate thermometer
Iowa State - ECON - 655
Econ 655 Problem Set 1Lapan Spring 20071. Let R p f ,V denote the GNP (revenue) function and e ( p c ,U ) denote the expenditure function for()a representative agent, where p f denotes the price vector producers face, and p c denotes the co
Iowa State - ECON - 655
Lapan Midterm ExamEcon 655 Fall 2005Answer any two questions; answer all parts to each question. 1. Answer all parts.a) Consider the basic two country (US, UK), two good (F, M), two factor (K,L) HeckscherOhlin (H-O) model. Assume the US is capi
Iowa State - ECON - 655
Lapan Midterm Exam Answer any two questions; answer all parts to each question.Econ 655 Fall 20041. Consider the standard 2 factor (K, L), 2 good (C,M), 2 country (US, Mex) Heckscher-Ohlin model. The usual assumptions of identical technology, ide
Iowa State - ECON - 655
LapanEcon 655 Fall 1998 Midterm ExamAnswer any two questions; answer all parts to each question.1. Answer all parts a) Consider the specific factor model with two goods (C, M), one mobile factor (L), and one factor specific to each sector ( Kc
Iowa State - ECON - 655
Econ 655 Problem Set 2 1. Simple Ricardian model:Lapan Spring 2007Assume two countries (US, Europe) and two goods (C, F). Labor productivities are given by: Cloth 4 8 Food 8 4US EuropeAssume initially that the labor force for the US and Europ
Iowa State - ECON - 655
Lapan Final ExamEcon 655 Fall 2004Answer Three Questions. If you did not take the midterm: Answer one question from Part I and two questions from Part II. If you took the midterm: Answer any three questions, except do not answer two questions fro
Iowa State - ECON - 655
Econ 655 Problem Set 3Lapan Spring 20071. Consider an economy with two goods Q1 , Q2 and two factors (L,K). Let P denote output i price (i=1,2) and suppose the GNP function is given by:bg A1 P ( K 3 4 L1 4 ) if < ( k 3)1 2 ; k K L ; ( A
Iowa State - ECON - 655
Lapan Final ExamEcon 655 Spring 2007If you took the midterm: Answer three questions; answer at most one question from Part I (you do not have to answer any question from Part I). If you did not take the midterm: Answer one question from Part I an
Iowa State - ECON - 655
Lapan Midterm Exam Answer any two questions; answer all parts to each question.Econ 655 Fall 20001. Consider the standard 2 factor (K, L), 2 good (C,M), 2 country (US, Mex) Heckscher-Ohlin model. The usual assumptions of identical technology, ide
Iowa State - ECON - 655
Econ 655 Final ExamFall 2002 (given in Spring 2003!) LapanAnswer any four questions. Answer All Parts to Each Question. 1) Answer all parts. a) Consider a standard Ricardian model with 2 goods (C, F) and 2 countries (US, Mexico). Let labor produc
Iowa State - ECON - 655
Lapan Final ExamEcon 655 Fall 2003Answer Three Questions. Answer at least one question from Part I and one question from Part II. Answer all parts to each question PART I. Answer at least one question from this part. 1. Answer all parts. a) Consi
Iowa State - ECON - 655
Lapan Final ExamEcon 655 Fall 2005If you took the midterm: Answer three questions; answer at most one question from Part I (you do not have to answer any question from Part I). If you did not take the midterm: Answer one question from Part I and
Iowa State - ECON - 655
Lapan Final ExamEcon 655 Fall 2000Directions. If you took the midterm exam, answer any three questions from Part II. If you did not take the midterm exam, answer one question from Part I and two questions from Part II. All students must answer a
Iowa State - ECON - 455
Spring 2008 Econ 455 Answers - Problem Set 3 1. Consider a specific factor model with the following production functions:Harvey LapanQc = ( Lc )12K1 2 ; Q f = Lf( )12T 1 2 ; Lc + L f L a) To derive the production possibility front
Iowa State - MATH - 471
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Iowa State - MAT - 265
Allen Math 265 A1Practice Exam #2Name:1. Let f (x, y) = -8x2 + 48x - 2y 2 - 8y + 20. (a) Identify and write the equation for each of the level curves of this function for z = k, where k = 92, 68, 28, -28. (b) Consider the point p = 1, 2( 5 -
Iowa State - MAT - 265
Allen Math 265 B1Practice Exam #3Name:1. Find the volume of the tetrahedron trapped in the first octant beneath the plane 6x + 4y + 3z = 12.2. Set up and evaluate the following integrals: (a)R4 dA where R is the region trapped between y =
Iowa State - MAT - 265
Allen Math 265 B2Exam #2 Form BName:1. Let f (x, y) = 9y 2 - 72y - x2 - 4x + 131. (a) Identify the quadratic surface this equation describes. Set z = 9y 2 - 72y - x2 - 4x + 131. Completing the square yields z = 9(y 2 - 8x) - (x2 + 4x) + 131 z
Iowa State - MAT - 160
Allen - Math 160 APractice Exam #2Key1. Find the derivative of the following functions.-/-I~) (~'( -'! . L x"L~ h t 2)(-2)(.) ~(-'X1.-I~)'2. Algebraically compute the following limits (do not use tables).. 3x5 (a) limx-+oo+ 6x 4 4x6 -
Iowa State - MAT - 160
Allen Math 160 APractice Exam #2Name:1. Find the derivative of the following functions. 7 (a) f (x) = 17x3 - 11x5/4 + 6 x + 3 - 2 x (b) g(x) = (5x4 + 6 x3 + 3)(2x2 - 9x + 8).(c) h(x) =4x2 - 3x + 2 . -x2 + 42. Algebraically compute the
Iowa State - MAT - 265
Allen Math 265 B2 1. Let f (x, y) = 4x2 + 8x - y 2 + 6y - 33.Exam #2 Form AName:(a) Identify the quadratic surface this equation describes. Set z = 4x2 + 8x - y 2 + 6y - 33. Completing the square yields z = 4(x2 + 2x) - (y 2 - 6y) - 33 z = 4(
Iowa State - IE - 361
IE 361 Module 15 The Average Run Length ConceptProf.s Stephen B. Vardeman and Max D. MorrisReading: Section 3.5, Statistical Quality Assurance Methods for Engineers1The general question addressed here is "How does one quantify the likely perfor
Iowa State - MAT - 160
Allen Math 160 APractice Exam #3Name:1. Find the derivative of the following functions. (a) f (x) = (x + 1)3 (x - 2)2(b) g(x) =4 ln x . 3x(c) h(x) = log3x.(d) i(x) =x-3 . x(e) F (x) = xe3x .(f) G(x) =5x . ex - 1(g) H(x) =
Iowa State - M - 516
MATH 516Spring 2008Explain your answers carefully!Final Exam1. Let (X, B, ) be a measure space with (X) = 1, and let f : X (0, ) be measurable. Show that2f dX X1 d f21(Suggestion: apply Hlder's inequality to f f - for a good choice
Iowa State - M - 501
MATH 501Fall 2006 Explain your answers carefully. 10 points eachFinal Exam1. If f is continuous on [a, b] show that there exists c (a, b) such that x f (c)(b - a). (Hint: Make use of F (x) = a f (s) ds.)b a f (x) dx=Solution: The hypothe
Iowa State - M - 516
MATH 516Spring 2008 Explain your answers carefully!Midterm ExamUnless otherwise stated, (X, B, ) denotes a measure space with a positive measure . 1. Show that is -nite if and only if there exists f L1 () with f (x) > 0 for every x X. Soluti
Iowa State - M - 519
MATH 519Fall 2008Midterm ExamExplain your answers carefully! 20 points each. 1. If (X, dX ), (Y, dY ) are metric spaces, show that the Cartesian product Z = X Y = {(x, y) : x X, y Y } is a metric space with distance function d(x1 , y1 ), (x2
Iowa State - M - 519
MATH 519Fall 2008 Explain your answers carefully!Final Exam1. For R let f (x) = cos x. (a) Find the Fourier transform f . (b) Find lim0 f and lim f in the sense of distributions. Solution: We havef () = f () =-(x) cos x dx 1 2() + (-) 2
Iowa State - M - 515
MATH 515Fall 2007Midterm ExamExplain your answers carefully! 10 points each. 1. If A, B are measurable sets of finite measure, m(A) = m(B), and AEB show that E is measurable. Solution: Since A, B are measurable, so is A\B and m(B) = m(A) + m(B\
Iowa State - M - 265
MATH 265 Section A Show your work! 1. (30 points) Let f (x, y) = (a) (b) (c) (d) x2Spring 2005 Do not write on this test page!EXAM 22 . +y What is the domain of f ? Sketch the level curve f (x, y) = 1. f f 2f Compute the partial derivatives , a
Iowa State - M - 520
MATH 520 HomeworkSpring 200655. Let A be an m n real matrix, b Rm and dene J(x) = |Ax b|2 for x Rn . (Here |x|2 denotes the 2 norm, the usual Euclidean distance on Rm ). a) What is the Euler-Lagrange equation for the problem of minimizing J?
Iowa State - M - 265
MATH 265Spring 2005Practice Final from Fall 20041. (a) Find parametric equations for the line through (2, -3, 1) parallel to the vector from (2, 0, 0) to (4, 3, 1). (b) Find an equation for the plane through the origin that is perpendicular to
Iowa State - M - 267
Assignment 11 answers 1 -2 1 0 2 1 0 1 #1. y(t) = C1 e-6t + C2 e-3t + C3 e10t + C4 e15t 2 1 0 -1 1 -2 -1 0 2 cos t - sin t 2 sin t + cos t + C2 e-t 5 cos t 5 sin t#2. y(t) = C1 e-t#3. If the geometric multiplicity is less than the
Iowa State - M - 516
MATH 516SPRING 2008Supplementary Homework 11. If , are signed measures, show that if and only if | . 2. If is a signed measure and = 1 - 2 where 1 , 2 are positive measures, show that 1 + 2 - (Here 1 + means that 1 - + is a positi
Iowa State - M - 267
MATH 267Section D2FALL 2004EXAM 11. (20 points) Find the solution of y4 y = 2x e y(0) = 1What is the existence interval for this solution? 6 2. (15 points) Find the general solution of x + x = t2 1. t 3. (15 points) Use the substitution v