Question: A = [1-3] and b = [] Consider the system Az = b with A = a) [by hand] Explain why the conjugate gradient

A = [1-3] and b = [] Consider the system Az =

A = [1-3] and b = [] Consider the system Az = b with A = a) [by hand] Explain why the conjugate gradient (CG) algorithm converges in at most 2 iterations, regard- less of the choice of zo. b) [by MATLAB] Solve the system using CG starting with zo=[8]. What is r? What is ? c) [by hand] Solve the system using CG starting with zo = [2-] What is ?

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