How it works Use your own MATLAB codes to calculate an exponential of a square matrix A, i.e. e Task 1: Based on the following infinite series: Compared to the regular function 1 2! 1! 2! n! Write an MATLAB function to calculate an N-term approximation of e using the first N-terms in the infinite series (In the program you may either directly use the MATLAB operator of * i.e C-A"B or use your own codes for matrix multiplication. The latter is encouraged as an excise for developing programming skills) Task 2: Write a function to calculate 7n i.e. the sum of absolute values of all entries (or elements) of the n Xn square matrix A. The quantity can be used to assess convergence of an infinite series