
    
    Control Theory Examples
    
    1. Simulation of a first order plus time delay plant. Task: Text  Solution: ex_1st_plus_delay.m
    2. Simulations with for-loops: Alternative 1. Using x=x+y. Alternative 2
    using x(i+1)=x(i)+y 
    Remark: For efficiency when coding using "any" programming language
    the x=x+y way of coding as illustrated in the m-file in alternative
    1 above sholuld be used.
    3. Calculating the Phase crossover frequency, w180, in Example 9.6
    in lecture notes, using "fix-point" iteration. main_ex96_w180.m