How to show transparent part of a figure in an eps file ?

I have been in a strugule and I realy need some help.

I am trying to export a figure to an eps file to use it and it contain a transparent line

but it doesnot show in the eps file.How can I solve this problem?

this is what it should appeare:

but when I save it as eps and use it this is what I get:

I have to use eps file. Thank you in advance.

this the code I am using

clc
close all
alpha=7.64;
delta1=0.18;
eta1=1.26;
gamma=.4;
psi=0.9;
phi=7;

% Create axes
axes1 = axes('Position',...
    [0.044642857142857,0.10952380952381,0.908928571428571,0.854761904761909]);
hold(axes1,'on')
box(axes1,'on');

I1=@(s) (psi*(-delta1-s*eta1-(gamma+eta1)*psi+(alpha*psi)/(s+psi)));
I2=@(s) ((alpha*psi^2)/(s+psi)-psi*(delta1+s*eta1+(gamma+eta1)*psi+phi));
fplot(I1,[-0.89 3],'Color',[0 0 .5],LineWidth=2)
hold on 
fplot(I2,[-0.89 3],'Color',[0.9 0 0],LineWidth=2)
hold on 

smax=-((delta1+gamma*psi+2*eta1*psi-sqrt(delta1^2+4*alpha*eta1*psi+2*delta1*gamma*psi+(gamma*psi)^2))/(2*eta1));
smin=-((delta1+phi+gamma*psi+2*eta1*psi-sqrt(delta1^2+4*alpha*eta1*psi+2*delta1*(phi+gamma*psi)+(phi+gamma*psi)^2))/(2*eta1));
line([0 3],[0 0],'LineStyle','--','Color',[0.4660 0.6740 0.1880],'LineWidth',2)
blulecolor=[0.4940 0.1840 0.5560 0.4];
line( [0 smax],[0 0],'LineWidth',5,'Color',blulecolor)%the trancparent line
hold on 
plot(smax,0,'MarkerFaceColor',[0.4940 0.1840 0.5560],...
    'Marker','o',...
    'LineWidth',1,...
    'LineStyle','none',...
    'Color',[0.4940 0.1840 0.5560])%,xs1,ys1,'ob')
hold on
plot(smin,0,'MarkerFaceColor',[0.4940 0.1840 0.5560],...
    'Marker','o',...
    'LineWidth',1,...
    'LineStyle','none',...
    'Color',[0.4940 0.1840 0.5560])
xlim([-2 2])
ylim([-10 10])
x=xlabel('$s(t)$','Interpreter','latex');
set(x, 'FontSize',14) 
set(x,'FontWeight','bold')
set(axes1,'XTick',0,'YTick',0,'YTickLabel',{'0'});
set(axes1,'GridColor',[0 0 0]);
grid on 
% print('yourTransparentImage','-depsc','-vector')

Answer 1

[Walter Roberson]

Postscript (eps) does not support transparency https://stackoverflow.com/questions/29321707/can-transparency-be-used-with-postscript-eps