EGR_102_Lecture_03_HW

# EGR_102_Lecture_03_HW - x 2 = 34(a Plot using Excel and...

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EGR 102 of 3 pages Lecture 03 HW 1 EGR 102 Lecture 03 HW Due at beginning of lecture on Friday, February 3 3 Problems, 26 Points Total Name: PID: Lab Section #: Problem 1 (2 pts each; 14 pts total) : 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 03 HW 2 Problem 2 (4 pts each; 8 pts total) : Given the system of equations: 4 x 1 – 8 x 2 = –24 x 1 + 6
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Unformatted text preview: x 2 = 34 (a) Plot using Excel and estimate the solution. 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 03 HW 3 Problem 3 (4 pts total) : 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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EGR_102_Lecture_03_HW - x 2 = 34(a Plot using Excel and...

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