clc; close all; clear all;
tf = 1000;
Ts = 0.001;
figure
hold on;
% grid on;
axis([-1.2,1.2,-0.4,1.5])
for i=1:tf
x = i*Ts;
y = 1.5*x*log(x)-1/36*exp(-(36*x-36/2.7183)^4);
plot(y,x);
end hold on
for i=1:tf
x = i*Ts;
y = 2.5*x*log(x)-1/36*exp(-(36*x-36/2.7183)^4);
plot(y,x);
end
hold on
axis([-1 0.7 -0.1 1])