5. Find the least squares polynomial of degree one for the data in the following table. Then write the matrix least squares problem and its solution in the matrir form (do not evaluate) to fit the...

Numerical analysis

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Extracted text: 5. Find the least squares polynomial of degree one for the data in the following table. Then write the matrix least squares problem and its solution in the matrir form (do not evaluate) to fit the data with a function of the form f(x) = ao + a1x + az sin r + a4 cos r. X; 0.2 0.3 0.6 0.9 1.1 1.3 Yi 0.050446 0.098426 0.33277 0.72660 1.0972 1.5697