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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Module: Operations management Title: -Operations management and Ethics! - Student: Katerina Zafirovska Lecture: Prof. D-r Aleksandra Shumar Contents: Introduction……………………………………………………………………..….3 1. Operations management…………………………………………..5 2. History of operations management……………………………….6 3. Ethics ……………………………………………………………15 4. Operations management
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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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Problem Set 1 Complete all questions listed below. Clearly label your answers. 1. The receipts and year of release of the five movies with the largest nominal box office revenues‚ along with the CPI data of each year are presented below. Assuming that the receipts for each of the movies were derived during their year of release‚ convert the receipts for each to real dollars for the year 2010 (2010 CPI 230.1). Put the movies in order from largest to smallest real box office receipts and show
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I will never forget the first time I saw NYU. I was seven years old standing in Washington Square Park looking at this magnificent building‚ unable to look away. I had no idea what this place was‚ but I was amazed none the less. At that moment my mother‚ an immigrant from the former Soviet Union‚ told me something I will never forget. She said‚ “I came here so that you would have the opportunities that I never dreamed of‚ this is one of the best schools in the world and one day I hope you get the
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Problem Set 3 Macroeconomics‚ ECON 2123 Sections L3 and L4 P. Sen Posted 9.11.14. Due 5 PM 17.11.14. ----------------------------------------------------------------------------------------------------------------------------------- 100 marks total Part I: True/False/Uncertain Please justify your answer with a short argument for each question and draw a diagram if necessary. (25 marks‚ 5 marks each: 2 marks for correct judgment and 3 marks for correct argument) 1. Suppose that workers in the Republic
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OPERATION MANAGEMENT ON SUCCESSFUL OR APPLICATION CASES SUBMITTED TO: - PROF. DR SADIA SAMAR ALI SUBMITTED By: - Group No.5 Neha Malik 124 Davindar Pal Singh 125 Atul Singh 178 Kaptan 179 Raj Kumar 158 OPERATION MANAGEMENT ON SUCCESSFUL OR APPLICATION CASES
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due to the treatments was 40. a. Set up the null hypothesis and the alternate hypothesis. b. What is the decision rule? Use the .05 significance level. c. Complete the ANOVA table. What is the value of F? d. What is your decision regarding the null hypothesis? SS 100 SST 40 SSE 60 k 3 n 15 null hypothesis Variance of one population equals the others alternate The variances differ k-1 = num 2 n-k = den 12 Crit value of
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What is operations management? Operations management defined Operations management is the activity of managing the resources which are devoted to the production and delivery of products and services. 1 The consultancy services market – % of world revenues of 40 largest consultancy firms Financial 6 Organizational design 11 Marketing / sales 2 Operations and process management 31 Benefits / actuarial 16 Corporate strategy 17 IT strategy 17 The operations function is fashionable
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