what is the problem in this code because when i use hold on command in my code but It does not work ,what is my problem ?

    clc
    clear
    x = 36 ;
    y = 10^16 ;
    n = -25:-15 ;
    
    f_1 = ( y .^ n ) ./ ( ( exp( x .*n)) ) ;
    f_2 = ( y / exp ( x ) ).^n;
    
    plot(n,f_1,"r")
    hold on
    plot(n,f_2,"b")
    legend('f_1','f_2')
    xlabel("n")
    hold off

Answer 1

[Jon]

hold on is working but except for some NaN's which aren't plotted your functions f_1 and f_2 produce the same values as a function of n so the two curves are on top of each other