Question: Provide MATLAB code Consider the following function: f ( x ) = x 4 + 2 x 3 + 8 x 2 + 5 x

Provide MATLAB code

Consider the following function:

f (x) = x^{4} + 2 x^{3} + 8 x^{2} + 5 x

Use Graphical method to show the function has a minimum for some

value of

x

in the range

- 2 x 1 .

Find the minimum of the function using

a

.

Golden

-

Section search

(x_{l} = - 2, x_{u} = + 1,_{S} = 1 %)

b

.

Parabolic Interpolation

(x_{1} = - 2, x_{2} = - 1, x_{3} = + 1, 5

iterations

)

c

.

Using MATLAB fminsearch

Provide MATLAB code Consider the following

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