Build the matrix A and vector b using the following statements: Compute x = pinv(A)*b, and accept as the correct solution. Solve the least-squares problem using the normal equations to obtain...

Build the matrix A and vector b using the following statements:

Compute x = pinv(A)*b, and accept

as the correct solution.

Solve the least-squares problem

using the normal equations to obtain solution

₁

Do part

except use the

decomposition algorithm to obtain solution

₂