EGR_102_Lecture_HW_03

EGR_102_Lecture_HW_03 - Attach your plot. (b) Solve using...

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EGR 102 of 3 pages Lecture HW 03 1 EGR 102 Lecture HW 03 Due at beginning of lecture on Friday, February 4 3 Problems, 33 Points Total Name: PID: Lab Section #: Problem 1 (21 pts) : For the following matrices, perform the indicated operations. = 6 5 2 1 7 4 ] [ A = 4 0 2 7 2 1 7 3 4 ] [ B = 1 6 3 ] [ C = 6 0 4 3 2 7 8 5 1 ] [ D = 3 7 1 1 0 3 ] [ E (a) [ D ] + [ B ] (b) [ A ] + [ E ] (c) [ B ] – [ D ] (d) 7 x [ B ] (e) [ D ] x [ B ] (f) [ B ] x [ A ] (g) [ A ] x [ C ]
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EGR 102 of 3 pages Lecture HW 03 2 Problem 2 (6 pts) : Given the system of equations: 4 x 1 – 8 x 2 = –24 x 1 + 6 x 2 = 34 (a) Plot using Excel and estimate the solution.
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Unformatted text preview: Attach your plot. (b) Solve using Gauss elimination. Show all steps of the computation. Check your results by substituting them back into the equations. EGR 102 of 3 pages Lecture HW 03 3 Problem 3 (6 pts) : Given the set of equations: 10 x 1 + 2 x 2 – x 3 = 27 –3 x 1 – 6 x 2 + 2 x 3 = –61.5 x 1 + x 2 + 5 x 3 = –21.5 (a) Solve by Gauss elimination. Show all steps of your computations. (b) Substitute your results into the original equations to check your answers....
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This note was uploaded on 02/03/2012 for the course EGR 102 taught by Professor Hinds during the Spring '09 term at Michigan State University.

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EGR_102_Lecture_HW_03 - Attach your plot. (b) Solve using...

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