Machine Learning Fall 2014 Problem Set 1 Joon Hee Choi Handed In: 09/14/2014 Review Questions 1. 2. 3. • ∂f ∂x = 6x − y − 11‚ ∂f ∂y • ∂f ∂x = 6x − y − 11 = 0‚ = 2y − x ∂f ∂y = 2y − x = 0 ⇒ x = 2‚ y = 1 ⇒ (x‚ y) = (2‚ 1) • (a) n = 2 w1 x1 and x = . Then‚ w2 x2 wT x + b = w1 x1 + w2 x2 + b = 0 ⇒ −x1b + Let w = w1 x2 − wb =1 2 (b) n = 3 w1 x1 Let w = w2 and x = x2 . Then‚ w3 x3 T w x + b = w1 x1 + w2 x2 + w3 x3 + b = 0 ⇒ −x1b + −x2b + −x3b = 1 w1 w2 w3 x1 w1
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ECN171 Economy of East Asia Problem Set 1 The data for this problem set is posted on SmartSite in the Resources folder. It was downloaded from the Penn World Tables version 7.1‚ which is publicly available at https://pwt.sas.upenn.edu/php_site/pwt_index.php . 1. Graph the GDP [per capita] of the East Asian countries in PS1_data.xls on one graph. Which East Asian country is the largest [richest] in 1960? In 2010? When did the switch occur? 2. Calculate the growth rates (log difference‚ using natural
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PROBLEM SET # 1 Instructions: 1) Open book‚ open notes limited to only class materials. 2) Unlimited time. 3) This must be reflective of your individual effort. GMU Honor Code applies. 4) The Problem Set #1 (only the question solutions portion) is due at the end of the day on September 24th. 5) Show all work‚ as partial credit will be given for each question’s answer. Organize your work so it is easy to follow. You can use word‚ power point‚ excel or combinations
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Problem Statement: The perimeter‚ approximate surface area‚ and the approximate volume of an in ground pool is given by the following formula: Perimeter = 2 ( length+width ) Volume = length * width * average depth Underground surface area = 2 ( length + width ) average depth + length * width Using these formula as basis‚ write a program that accepts the length‚ width and average depth measurements‚ and then calculates the perimeter‚ volume and underground surface area of the pool. In writing
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The Need for Payroll and Personnel Records: Case Problem C1. Paychecks Kept Coming Ken‚ a salaried employee‚ was terminated from his company in April of this year. Business had been slow since the beginning of the year‚ and each of the operating plants had laid off workers. Ken’s dismissal was processed through the Human Resources Department‚ but the information was not relayed to the corporate payroll office. As had been the policy‚ checks for workers at remote sites were mailed to the employees
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Complete Problem 4-8A. P4-8A Dana La Fontsee opened Pro Window Washing Inc. on July 1‚ 2012. During July the following transactions were comple July 1 Issued 12‚000 shares of common stock for $12‚000 cash. 1 Purchased used truck for $8‚000‚ paying $2‚000 cash and the balance on account. 3 Purchased cleaning supplies for $900 on account. 5 Paid $1‚800 cash on 1-year insurance policy effective July 1. 12 Billed customers $3‚700 for cleaning services. 18 Paid $1‚000 cash on amount owed
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1. Explain the events that probably gave rise to journal entries 1 through 8 of exhibit 1. a. Entry 1: Miss barbarra Thompson opened the company investing USD 65‚000.00 cash and USD 100‚000.00 from Bank Borrowings. b. Entry 2: The company paid its Rent amounting to USD 1‚485.00 c. The company bought inventory items worth USD 137‚500.00 on credit. d. The company bought Furnitures and Fixtures (10 years useable life) for cash amounting to USD 15‚500.00 e. The company
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Stephanie McFadden NT1230 Problem Set 1. 1. The general public in the United States will be able to purchase all of the Windows 7 editions in retail stores except starter‚ enterprise‚ and home basic. 2. The core module that provides all of the Windows 7 capability that isn’t language-or edition-specific is called MinWin. 3. When you copy a file to a library‚ Windows Explorer writes the file to the folder designated as the save location. 4. To use federated search‚ you must download or create XML
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In John Grisham’s “The Pelican Brief”‚ government manipulation and corruption are the themes that controls our future‚ government‚ and everything leading up to that. The deaths that occur in this book only add on to the idea of how vital positions in government are the points that influence people on the borderline of good and evil. No matter how hard it is trying to sway someone of the opposite‚ the primary form of concluding affairs is corruption in the form of manipulation and clandestine control
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Unit 1 Problem Set 1 26. Surgery Versus Splints A study compared surgery and splinting for subjects suffering from carpal tunnel syndrome. It was found that among 73 patients treated with surgery‚ there was a 92% success rate. Among 83 patients treated with splints‚ there was a 72% success rate. Calculations using those results showed that if there really is no difference in success rates between surgery and splints‚ then there is about 1 chance in 1000 of getting success rates like the ones obtained
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