How to plot an array graph from a 'for' loop?

I'm trying to plot an analytical solution to the equation and an approximate one obtained by the Euler scheme . Here 's what happened:

Question: how to plot an iterative solution x(i) not by index i, but by variable x = 0:0.1:10? To make it possible to compare the graphs adequately

Thank you!

x(1) = 1;
delta_t = 0.1;
n = 100;

    for i = 1:n
    hold on
    grid on
    x(i+1) = x(i)*(1-delta_t);
    plot(i,x(i),'r.-')
    ezplot('exp(-x)',[0 10]);
    end

Answer 1

[Alan Stevens]

Try multiplying i by delta_t in the plot command

x(1) = 1;
delta_t = 0.1;
n = 100;

    for i = 1:n
    hold on
    grid on
    x(i+1) = x(i)*(1-delta_t);
    plot(i*delta_t,x(i),'r.-')
    ezplot('exp(-x)',[0 10]);
    end

[Savely Chernyshev]

Thank you very much!