CS578/STAT590: Introduction to 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
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LAW AND ORDER Presented by: Noman Channa INTRODUCTION Law and order is a nourishing root of the problem tree of Pakistan. The branches on this tree are increasing in size and number each day. WHAT IS LAW AND ORDER? Law and order constitutes civil laws written in the constitution‚ its enforcement by the law enforcement agencies and prosecution of the offenders. Pakistan in its history has always faced this challenge and up till now governments have formulated some norms but they lack
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University of Hong Kong 1st semester 2014-15 ECON0301/ECON2252 Theory of International Trade Problem Set 1 Due time: 5pm September 26‚ 2014 (Friday) Answer all of the following questions. While I encourage you to discuss with your classmates‚ you have to write up your own script. Please hand it in to your TA (Miss Jiuqi Zhao) by the due time via her pageon box on the 9th ‡oor of K.K. Leung Building. 1. Suppose that Home and Foreign have the marginal product of labor shown below. Home Foreign Baseball
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PROBLEM SET 4 1) Consider the following utility functions‚ where W is wealth: (a) U (W ) = W 2 1 (b) U (W ) = W (c) U (W ) = −W (d) U (W ) = W (e) U (W ) = ln(W ) (f) U (W ) = W 1−γ ‚ with γ = 2 1−γ How likely are each of these functions to represent actual investor preferences? Why? 2) Suppose investors have preference described by the following utility function with A > 0: U = E(r) − 1 Aσ 2 2 Each investor has to choose between three portfolios with the following characteristics:
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leisure time using the computer‚ playing games‚ chatting with friends‚ watching movies‚ downloading songs‚ etc. Even some poor people have invested computers with internet connection in their houses. Internet connection has so many advantages but at the same time provides disadvantages as well. Regarding DepEd’s order‚ many parents are uneasy since they want their children to learn and do school works at home for them to remember their lessons. Many are also bothered since at the present time‚ even young
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Inventory Management System-Particular focus on Economic Order Quantity A case of Kaliti Food Share Company Abstract Correct management of inventory can be the difference between a business that hums along efficiently and one that sputters out prematurely. Management of inventory is important to any business that wants to succeed. Inventory systems are used in different companies today as a tool to make sure that the company strives into success. Inventory systems serve several functions for
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The House of Commons: it’s current composition‚ its leaders‚ the incumbent Speaker‚ the layout of the chamber. 1) Currently the United Kingdom is divided into 650 constituencies‚ with 533 in England‚ 40 in Wales‚ 59 in Scotland‚ and 18 in Northern Ireland. The timing of the dissolution is normally chosen by the prime minister ‚ however‚ a parliamentary term may not last for more than five years. 2) The term "Member of Parliament" is normally used only to refer to Members of the House of Commons
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Rachel Krohn Mrs. Barnes English IV/ Period 1 3rd March 2014 Birth Order The definition of birth order is the rank of siblings by age. The first-born is the oldest child‚ the second born is the middle child‚ and the last-born is the youngest child. The definition that people need to pay more attention to though is psychological birth order‚ which is a child’s self-perceived position in their own family. Usually‚ each child in a family is treated differently depending on their rank. The oldest
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1. Use the data given to calculate annual returns for Goodman‚ Landry‚ and the Market Index‚ and then calculate average annual returns for the two stocks and the index. (Hint: Remember‚ returns are calculated by subtracting the beginning price from the ending price to get the capital gain or loss‚ adding the dividend to the capital gain or loss‚ and then dividing the result by the beginning price. Assume that dividends are already included in the index. Also‚ you cannot calculate the rate of return
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IKEA introduction IKEA is a privately owned business. It is an international home products retailer. IKEA sells things that are needed for household purpose. For example‚ accessories‚ bathroom‚ furniture‚ and kitchen items in their retail stores. IKEA has retail stores all over the world. IKEA sell their design furniture and goods at an affordable price. Currently IKEA is the world’s largest furniture retailer. More about the history‚ IKEA was founded in 1943. It was founded by 17‐year‐old
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