1. Write a MATLAB function, addsym, that implements the algorithm of Problem 9.10 and test it with matrices 2. Write a MATLAB function bisolve that implements the algorithm of Problem 9.12. The...

1. Write a MATLAB function, addsym, that implements the algorithm of Problem 9.10 and test it with matrices

2. Write a MATLAB function bisolve that implements the algorithm of Problem 9.12. The following statements generate a random
 bidiagonal matrix and a random right-hand side. Use these statements as your first test of bisolve. Modify the statements and test your function with a
 bidiagonal matrix.