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midterm09 - L. Vandenberghe 10/27/09 EE103 Midterm Exam You...

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Unformatted text preview: L. Vandenberghe 10/27/09 EE103 Midterm Exam You have time until 9:30. Only this booklet should be on your desk. You do not need a calculator. Please turn off and put away your cellphones. Write your answers neatly and concisely in the space provided after each question. You can use the blank pages on the left as scratch paper. Provide enough detail to convince us that you derived, not guessed, your answers . Your name: Your student ID#: Your left neighbors name: Your right neighbors name: Problem 1 /10 Problem 2 /15 Problem 3 /10 Problem 4 /15 Total /50 1 Formulas Vectors and matrices Relation between inner product and angle: x T y = bardbl x bardblbardbl y bardbl cos negationslash ( x,y ) Flop counts for basic operations ( is a scalar, x and y are n-vectors, A is an m n-matrix, B is an n p-matrix) Inner product x T y : 2 n 1 flops ( 2 n flops for large n ) Vector addition x + y : n flops Scalar multiplication x : n flops Matrix-vector product Ax : m (2 n 1) flops (...
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This note was uploaded on 02/03/2011 for the course EE 103 taught by Professor Vandenberghe,lieven during the Spring '08 term at UCLA.

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midterm09 - L. Vandenberghe 10/27/09 EE103 Midterm Exam You...

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