Chapter 11.2, Problem 3E

a.

To determine

To find: the least square approximation, using the basis function of $1,\cos \frac{(2t+1)\pi }{8},cos\frac{(2t+1)\pi }{8}$ for given data in the problem.

b.

To determine

To find: the least square approximation ,using the basis function of $1,\cos \frac{(2t+1)\pi }{8},cos\frac{(2t+1)\pi }{8}$ for given data in the problem.

c.

To determine

To find: the least square approximation ,using the basis function of $1,\cos \frac{(2t+1)\pi }{8},cos\frac{(2t+1)\pi }{8}$ for given data in the problem.

d.

To determine

To find: the least square approximation ,using the basis function of $1,\cos \frac{(2t+1)\pi }{8},cos\frac{(2t+1)\pi }{8}$ for given data in the problem.