MATLAB: How to animate different plots at the same time using subplot, addpoints and animatedline

MATLABsubplot

I am trying to animate tow distinct graphics simultanneosly using addpoins ane subplot. The two graphics should shown side by side, that is, in different cells (separated by subplot) while are being animated. However, the graphics are shown toghether on the seme cell.

Cound anyone help me to sove this problem?

Attached is the result the code output.

That is the code I have used:

t = 0:pi/20:10*pi;

% First graphic

subplot(1,2,1)

y1 = sin(t);

plot(t,y1)

% second graphic

subplot(1,2,2)

y2= sin(t+pi/2);

plot(t,y2)

curve1 = animatedline('LineWidth', 2);

curve2 = animatedline('LineWidth', 2);

for i = 1: length(t)

addpoints(curve1, t(i), y1(i));

drawnow

addpoints(curve2, t(i), y2(i));

% head = scatter(t(i), y(i));

drawnow

pause(0.01);

% delete(head);

end

Best Answer

If you don't want to plot a moving marker:

t = 0:pi/20:10*pi;
y1 = sin(t);
y2 = sin(t+pi/2);
subplot(1,2,1)
curve1 = animatedline('LineWidth', 2);
hold on
plot(t,y1);
subplot(1,2,2) 
curve2 = animatedline('LineWidth', 2);
hold on
plot(t,y2);
for i = 1: length(t)
    addpoints(curve1, t(i), y1(i));
    addpoints(curve2, t(i), y2(i));
    drawnow
end

Related Solutions

MATLAB: Animatedline fails after the first iteration

Create the subplot and modify their position before the loop. Make sure to pass the axes to the hold() and grid() calls.

At present you keep calling subplot and then modify the position. However each time you call subplot it figures out where the plot belongs based on the n m index parameters, and if it finds any axes that over overlap those coordinates but not exactly the same coordinates then it deletes the old one. So subplot() all your axes into existence first before you set the position of any of them, and record the axes handles and do not subplot in a loop unless you do not mind old axes potentially being deleted.

MATLAB: Verification of system characteristics

% FOR TIME VARITANT OR INVARIANT
clc
clear all
close all
t=-5:0.001:5
l=length(t)
for i=1:l
    if t(i)>=0
        x1(i)=1;
        
    else x1(i)=0;
    end
end
x2=cos(pi*t)
x3=cos(pi*(t-2))
y1=x1.*x2
y2=x1.*x3
subplot(4,1,1)
plot(t,x1)
xlabel('t')
ylabel('x1')
title('for x1')
grid on
gtext('1841014009')
subplot(4,1,2)
plot(t,y1)
xlabel('t')
ylabel('y1')
title('for y1')
grid on
gtext('1841014009')
subplot(4,1,3)
plot(t,x2)
xlabel('t')
ylabel('x2')
title('for x2')
grid on
gtext('1841014009')
subplot(4,1,4)
plot(t,y2)
xlabel('t')
ylabel('y2')
title('for y2')
grid on
gtext('1841014009')
if round(y1)==round(y2)
    disp('time invariant');text(-2,-0.5, ('System Is Time Invariant'));
    
else disp('time variant');text(-2,-0.5, ('System Is Time Variant'))
end
% FOR LINEARITY TEST
clc
clear all
close all
t=-4:0.001:5
l=length(t)
for i=1:l
    if t(i)>=0
        x1(i)=1;
        
    else x1(i)=0;
    end
end
 
for i=1:l
if t(i)>=1
    x2(i)=1;
    
else x2(i)=0;
end
end
 
a1=2
a2=3
 
y1=a1.*x1.*cos(pi*t)
y2=a2.*x2.*cos(pi*(t-1))
 
y=((a1.*x1)+(a2.*x2)).*cos(pi*t)
 
y3=y1+y2;
 
subplot(4,1,1)
plot(t,y)
title('for y')
xlabel('t')
ylabel('y')
grid on
gtext('1841014009')
subplot(4,1,2)
plot(t,y1)
title('for y1')
xlabel('t')
ylabel('y1')
grid on
gtext('1841014009')
 
subplot(4,1,3)
plot(t,y2)
title('for y2')
xlabel('t')
ylabel('y2')
grid on
gtext('1841014009')
  
subplot(4,1,4)
plot(t,y3)
title('for y3')
xlabel('t')
ylabel('y3')
grid on
gtext('1841014009')
 
if round(y)==round(y3)
    disp('system is linear');
    text(-2,-0.5, ('System Is Linear'));
    
else disp('system is non linear');
    text(-2,-0.5, ('System Is Non-Linear'));
end
% FOR STABILITY TEST
clc
clear all
close all
t=0:0.01:10
l=length(t)
for i=1:l
    if t(i)>=0
        x(i)=1;
        
    else x(i)=0;
    end
end
 
y=exp(-2*t).*x
c=0
for i=1:l-1
    if (y(i)>y(i+1))
        c=c+1;
    end
end
 
subplot(2,1,1)
plot(t,x)
title('for x')
xlabel('t')
ylabel('x')
grid on
gtext('1841014009')
subplot(2,1,2)
plot(t,y)
title('for y')
xlabel('t')
ylabel('y')
grid on
gtext('1841014009')
if(c~=0)
    disp('system is stable');
    text(2,0.5, ('System Is Stable'));
else 
    disp('system is unstable');
    text(2,0.5, ('System Is Untable'));
end

Best Answer

Related Solutions

MATLAB: Animatedline fails after the first iteration

MATLAB: Verification of system characteristics

Related Question