(a) Write MATLAB script to evaluate the following mathematical expressions for scalar a: 42+ In 20 sin(7/4)+ e-2.5 Output solution in the command line. (b) Write MATLAB script to evaluate the following mathematical expressions for vector y: y[n] = e-0.07 sin(2/0.35), n = {1,..., 10} Output solution y in the command line. (1) (2) (c) Write MATLAB script to evaluate the following mathematical expressions for matrix Z, where w = /16: 1 00 3 A = 0 cosw - sin w B 1 0 Z = AB (3) 0 sin w COS W 1 Output solution Z in the command line. (d) Write MATLAB script to compute the eigen-decomposition of the following real symmetric matrix