2. Consider a performance coefficient of the following form: C-(,0) = c(-030-ca)e eski +, (1) where A is the tip-speed ratio, is the blade pitch angle, constants c = 0.5176,2 = 116, = 0.4,44 = 5.5 = 21,0 = 0.0068. The supplementary term, di, in (1) is defined as: 1 0.035 1+0.088 % +1 a. (2 pts) Write a script in MATLAB for the following function: function [Cup ] - myCpFun ( lambda, theta ) Inputs are the tip-speed ratio and blade pitch, output is the computed perfor- mance coefficient. Have your code check to see if the computed value of C, is greater than or equal to zero; if it is negative, set the value to zero. b. (2 pts) Use your code in part a. to plot the function C(1,8), for positive values only, over the domain 1 (0,13), 8 (0,25) (deg]. (Hint: use the 3-D plotting features in MATLAB with suitable discretization of the domain so you generate a smooth-looking contour of the function.)