exam1_f07_all

exam1_f07_all - ENGINEERING 126 Fall 2007 Written Exam 1...

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ENGINEERING 126 Fall 2007 Written Exam 1 Name: __________________________________ Student ID: _______________________________ Division/Section:___________________________ INSTRUCTIONS: Duration: 60 minutes Keep your eyes on your own work! Keep your work covered at all times! 1. Each student is responsible for following directions. Read carefully. 2. Excel and MATLAB commands, and Statistics equations are provided on the next page. 3. This exam consists of 8 pages (4 sheets front AND back). Check to be sure that you have all of the pages. 4. Write you name on the answer sheet . 5. Closed book and notes. 6. No calculators. 7. Please make sure you return the answer sheet .
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ENGR 126 – Fall 2007 EXAM I – Formula Sheet for Written Exam Statistics Equations = - - = n i i x x n s 1 2 2 ) ( 1 1 OR ( 29 1 1 2 1 2 2 - - = = = n n x x n s n i n i i i MATLAB Commands + - * / ^ = .* ./ .^ ' (transpose) : ; ( ) [ ] ... (ellipse) abs acos asin atan ans axis clear cos csc disp exit exp factorial figure format grid help helpbrowser i, j Inf input length linspace load log log10 logspace lookfor max mean median min NaN pi plot prod quit rand round sec sin sort sqrt std sum tan text title who whos xlabel ylabel Excel Functions + - * / ^ = $ ABS AVERAGE COS LN LOG10 MAX MEDIAN MIN MODE PI SIN SQRT STDEV SUM TAN 2
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ENGR 126 Exam 1 September 27, 2007 (All questions are worth 4 points unless otherwise indicated) Problem #1 In MATLAB, an array A has been defined as follows: = 6 4 2 13 11 9 5 3 1 A a . For the MATLAB command x = A (:,2), what does MATLAB output for x ? b . For the MATLAB command y = A (3,1) , what does MATLAB output for y ? Problem #2 For the following mathematical expression, write the MATLAB code for x . = 10 sin 2 π x Problem #3 For a vector y with a range from 4 to 30 in increments of 2, write the MATLAB code for y . Problem #4 (3 points) In MEA-1, your team developed a memo regarding a proposed laser transmitter system. What does the client need from your team? (one sentence) Problem #5 What are two characteristics of a good MEA solution? Problem #6 (3 points) Name your assigned teammates: ½ pt per name (first and last), spelling should be close. Three points if all are correct, even if you have only two assigned teammates. If any have been hard to reach, you should still know their names from trying to get them to
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exam1_f07_all - ENGINEERING 126 Fall 2007 Written Exam 1...

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