Part 1: Write a MATLAB function to use the General Falsi Method to find the zero of a nonlinear function in the interval [a,b] where exists only a single zero Background of the regular Falsi method 2nd approximation 1st approximation Initial guess f(b)-f(%) Formula to calculate the (k+1)th approximation from the kth approximation Part 2: The natural frequencies of a fixed-fixed beam is expressed by Fixed-fixed beam Use the user-defined MATLAB function in Part 1 to solve the first 10 (BL)-values from the associated characteristic equation E,I,p, A, I -- -beam parameters cos BLcosh BL-10 Definition of the hyperbolic cosine function e" e cosh x