Each step by step handwriting solutions -8x1+3x2-6x3+2x4 = -5%3D5x1+6x2+2x3-4x4 = -8-3x1 +2x2-7x3+5x4 = 44x1 -5x2+3x3-6x4 = 9Solve the above system of equations using LUDecomposition

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Answered: -8x1+3x2-6x3+2x4 = -5 5x1+6x2+2x3-4x4 =…

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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A farmer wants to fence in a rectangular plot of land adjacent to the south wall of his barn. No fencing is needed along the barn, and the fencing along the east side of the plot is shared with a neighbor who will evenly split the cost of that portion of the fence. Fencing costs $30 per linear foot to install and the farmer only wants to spend $9000. Let x be the length of fence that's shared with the neighbor. Find a formula for the area A(x) enclosed by the fence and the barn. What is the maximum possible area enclosed?
For Chapter 2 through Chapter 14, the Cumulative Review Exercises include topics from preceding chapters. For this chapter, we present a few calculator warm-up exercises, with expressions similar to those found throughout this book. Use your calculator to find the indicated values . 1. Birth Weights Listed below are the weights (grams ) of newborn babies from Albany Medical Center Hospital . What value is obtained when those weights are added and the total is divided by the number of weights? (This result, called the mean , is discussed in Chapter 3.) What is notable about these values, and what does it tell us about how the weights were measured? 36001700 400039003100 3800 22003000
the rental rate at a Rent A Chinch Mobile is $30 per day plus $0.25 per mile driven. How much would a 100 mile rental cost?
Ahmed paints twice as fast as Mohammed and three times as fast as Bashar, Ifit takes them 60 minutes to paint a living room with all three working together, calculate a. the time in hours Ahmed takes if he worked alone? b. the time in minutes Ahmed takes if he worked alone?
The cost of renting a rototiller is $17.50 for the first hour and $8.95 for each additional hour. How long, to the nearest hour can a person have the tototiller if the cost must be less then $55?
Simplify the following:
Answer this please.

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-8x1+3x2-6x3+2x4 = -5 5x1+6x2+2x3-4x4 = -8 -3x1 +2x2-7x3+5x4 = 4 4x1 -5x2+3x3-6x4 = 9 %3! Solve the above system of equations using LU Decomposition