Write a Matlab program to calculate and plot the pressure angle and radius of curvature for a cycloidal displacement cam function for any specified values of lift , duration , eccentricity , and prime circle radius . Test it using a lift of 20 mm over an interval of 60 deg at 1 rad / sec , and determine the prime circle radius needed to obtain a maximum pressure angle of 20 deg . What is the minimum diameter roller follower needed which satisfy the relation ( put your random values for rp and epsilon which result of pressure angle less than 21)