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onsider the following linear system 3 x + 2 y 4 z w = 9 7 x 3 y 5 z + 2 w =
onsider the following linear system
xyzw
xyzw
xyzw
xyzw
a Solve the system using MatlabOctave rref, backslash, and the inverse commands. Call the solution X b Compute the spectral radius of the coefficient matrix. c Use the norm to Compute the condition number of the coefficient matrix. What the number tells you about the matrix. d Use MatlabOctave code to solve the system using the Jacobi method starting with initial value X
Call the solution XJ Print iterations. e Use MatlabOctave code to solve the system using the GaussSeidel method starting with initial value X
Call the solution XGS Print iterations. f Use MatiabOctave code to compute the XXJ
and XXGS
for the errors in the approximation. g Are the two numerical methods converging to the solution? Which method is better to use. Justify your answer.
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