Engineering, 17.10.2019 16:30 alexandroperez13
Enter the matrix a and the vector b in matlab: a = [4 1 2 −3; −3 3 −1 4; −1 2 5 1; 5 4 3 −1] , b = [−16; 20; −4; −10]the exact solution to the system ax = b is the vector x = (−1, 1, −2, 3)^t .(a) enter [l, u,p] = lu(a) to find the lu decomposition of the matrix p a (don’t forget that you will need p*b). verify that p a = lu.(b) use the lu decomposition you found in part (a) to solve the system ax = b. call the computed solution x_lu.(c) enter the vector x and compare your solution x lu from part (b) with the exact solution x by computing norm(x_lu - x)
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An air conditioning system consist of a 5 cm diameter pipe, operating at a pressure of 200 kpa. the air initially enters the pipe at 15°c with a velocity of 20 m/s and relative humidity of 80%. if the heat supply throughout the process is 960 w, determine the relative humidity and the temperature at the outlet
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The characteristic roots of a dynamic system are: 1.7920 1.8160 i, -1.7920 1.8160 i, -0.4160 what is the order of this system? what are the settling time and damping ratio of the system?
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Enter the matrix a and the vector b in matlab: a = [4 1 2 −3; −3 3 −1 4; −1 2 5 1; 5 4 3 −1] , b...
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