I need this question answered in Matlab. Please show your code, that is the only way this question can be answered correctly. The second photo is a pseudo code that shoiuld be followed thanks. Also follow directions closely. Thanks

QUESTION 3: (Problem 19.13) The total mass of a variable density rod is given by where m-mass, ?(x)-density, 4(x)-cross-sectional area, x-distance along the rod and L-the total length of the rod. The following data have been measured for a 20-m length rod. Determine the mass in grams to the best possible accuracy. (Simpson's 1/3rd rule) 0 468 12 6 20 p,g/cm3 4.00 3.95 3.89 3.80 3.60 3.41 3.30 A, cm2 100 103 106 110 120 133 150