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Perform four iterations of the conjugate gradient method on the matrices in problems #1 and #2 even if the matrix is not positive definite.

Perform four iterations of the conjugate gradient method on the matrices in problems #1 and #2 even if the matrix is not positive definite. Use x = (2,1,1) as the initial solution vector. Clearly indicate the approximate solution at the end of each iteration. What happens to the matrix that is not positive definite?

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1 The matrix A is not positive definite so we will use the modified conjugate gradient method A 3 1 ... blur-text-image

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