Exam01_Sp08

# Exam01_Sp08 - ENGINEERING 126 Spring 2008 Exam 1 Name...

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ENGINEERING 126 Spring 2008 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 7 pages (4 sheets front AND back). Check to be sure that you have all of the pages. 4. Write your 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 Exam 1 Formula Sheet February 6, 2008 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
ENGR 126 Exam 1 (All questions are worth 5 points unless otherwise indicated) February 6, 2008 Problem #1 For the following mathematical expression, write the MATLAB code for y . Assume that x has been previously defined as a vector, in radians. x y 4 9 2 π = Problem #2 (6 points) Write the formula that goes into cell B2 to compute y using the expression from Problem 1. This expression must compute a new value of y correctly if copied to cell B3. Problem #3 (4 points) For the EXCEL spreadsheet in Problem 2, write a formula that would have to be in cell C2 to produce the value of π shown.

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Exam01_Sp08 - ENGINEERING 126 Spring 2008 Exam 1 Name...

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