I have a code where I need to show 3 plots on the same figure, but one is so small, that it looks like a line running along the bottom.

Is there a way to have 2 scales in one window so that I can plot my 2 similar plots on a scale , and my smaller plot with a second scale?

Code below if you want to see for yourself, the blue one needs to be scaled in the first window.

thanks all,

Alex

close all

clear all

clc

L1 = 0.001; % lambda 1

L2 = 0.5; % lambda 2

N0 = 1E12; % initial number of atoms of first nuclide

O0 = 0; % initial number of atoms of second nuclide

P0 = 0; % initial number of atoms of third nuclide

Ts = [3600/923, 3600/900, 3600/897]; % time steps

for a = 1:length(Ts)

T = 0:Ts(a):3600; % array of times for calculation

N = zeros(length(T),1); % initializing space for first nuclide

O = zeros(length(T),1); % initializing space for second nuclide

P = zeros(length(T),1); % initializing space for third nuclide

N(1) = N0; % setting initial count in place 1

O(1) = O0;

P(1) = P0;

for i = 1:length(T)-1

N(i+1) = N(i) - L1*N(i)*Ts(a);

O(i+1) = O(i) + L1*N(i)*Ts(a) - L2*O(i)*Ts(a);

P(i+1) = P(i) + L2*O(i)*Ts(a);

end

figure % will generate new figure for each time step used

hold on % plotting all in the same figure window

plot(T,N,'r') % plot first decay in red

plot(T,O,'b') % plot second decay in blue

plot(T,P,'g') % plot third decay in green

if a == 1

title(char('Behavior of the Radioactive Decay Chain N1 -> N2 -> N3',...

'Using Euler Method with Time Step 3.9 sec.'));

elseif a == 2

title(char('Behavior of the Radioactive Decay Chain N1 -> N2 -> N3',...

'Using Euler Method with Time Step 4 sec.'));

elseif a == 3

title(char('Behavior of the Radioactive Decay Chain N1 -> N2 -> N3',...

'Using Euler Method with Time Step 4.01 sec.'));

else

title('Behavior of the Radioactive Decay Chain N1 -> N2 -> N3 Using Euler Method')

end

xlabel('Time (s)')

ylabel('Number of Atoms')

legend('N1', 'N2', 'N3')

end

"Alex " <blue.harvest.83@gmail.com> wrote in message <kigpvo$fpk$1@newscl01ah.mathworks.com>...

> I have a code where I need to show 3 plots on the same figure, but one is so small, that it looks like a line running along the bottom.

>

> Is there a way to have 2 scales in one window so that I can plot my 2 similar plots on a scale , and my smaller plot with a second scale?

>

> Code below if you want to see for yourself, the blue one needs to be scaled in the first window.

>

> thanks all,

> Alex

>

>

>

>

>

> close all

> clear all

> clc

>

>

> L1 = 0.001; % lambda 1

> L2 = 0.5; % lambda 2

>

> N0 = 1E12; % initial number of atoms of first nuclide

> O0 = 0; % initial number of atoms of second nuclide

> P0 = 0; % initial number of atoms of third nuclide

>

>

> Ts = [3600/923, 3600/900, 3600/897]; % time steps

>

> for a = 1:length(Ts)

>

> T = 0:Ts(a):3600; % array of times for calculation

>

> N = zeros(length(T),1); % initializing space for first nuclide

> O = zeros(length(T),1); % initializing space for second nuclide

> P = zeros(length(T),1); % initializing space for third nuclide

>

> N(1) = N0; % setting initial count in place 1

> O(1) = O0;

> P(1) = P0;

>

> for i = 1:length(T)-1

> N(i+1) = N(i) - L1*N(i)*Ts(a);

> O(i+1) = O(i) + L1*N(i)*Ts(a) - L2*O(i)*Ts(a);

> P(i+1) = P(i) + L2*O(i)*Ts(a);

> end

>

> figure % will generate new figure for each time step used

> hold on % plotting all in the same figure window

> plot(T,N,'r') % plot first decay in red

> plot(T,O,'b') % plot second decay in blue

> plot(T,P,'g') % plot third decay in green

> if a == 1

> title(char('Behavior of the Radioactive Decay Chain N1 -> N2 -> N3',...

> 'Using Euler Method with Time Step 3.9 sec.'));

> elseif a == 2

> title(char('Behavior of the Radioactive Decay Chain N1 -> N2 -> N3',...

> 'Using Euler Method with Time Step 4 sec.'));

> elseif a == 3

> title(char('Behavior of the Radioactive Decay Chain N1 -> N2 -> N3',...

> 'Using Euler Method with Time Step 4.01 sec.'));

> else

> title('Behavior of the Radioactive Decay Chain N1 -> N2 -> N3 Using Euler Method')

> end

>

> xlabel('Time (s)')

> ylabel('Number of Atoms')

> legend('N1', 'N2', 'N3')

> end

Hello Alex,

We can use 'subplot' concept to plot many plot in same figure window.

And if you want to specify particular position you can use 'axis' command will help you.

close all

clear all

clc

L1 = 0.001; % lambda 1

L2 = 0.5; % lambda 2

N0 = 1E12; % initial number of atoms of first nuclide

O0 = 0; % initial number of atoms of second nuclide

P0 = 0; % initial number of atoms of third nuclide

Ts = [3600/923, 3600/900, 3600/897]; % time steps

for a = 1:length(Ts)

T = 0:Ts(a):3600; % array of times for calculation

N = zeros(length(T),1); % initializing space for first nuclide

O = zeros(length(T),1); % initializing space for second nuclide

P = zeros(length(T),1); % initializing space for third nuclide

N(1) = N0; % setting initial count in place 1

O(1) = O0;

P(1) = P0;

for i = 1:length(T)-1

N(i+1) = N(i) - L1*N(i)*Ts(a);

O(i+1) = O(i) + L1*N(i)*Ts(a) - L2*O(i)*Ts(a);

P(i+1) = P(i) + L2*O(i)*Ts(a);

end

if a == 1

subplot(2,2,1)

plot(T,N,'r',T,O,'b',T,P,'g')

title(char('Behavior of the Radioactive Decay Chain N1 -> N2 -> N3',...

'Using Euler Method with Time Step 3.9 sec.'));

elseif a == 2

subplot(2,2,2)

plot(T,N,'r',T,O,'b',T,P,'g')

title(char('Behavior of the Radioactive Decay Chain N1 -> N2 -> N3',...

'Using Euler Method with Time Step 4 sec.'));

elseif a == 3

subplot(2,2,3)

plot(T,N,'r',T,O,'b',T,P,'g')

title(char('Behavior of the Radioactive Decay Chain N1 -> N2 -> N3',...

'Using Euler Method with Time Step 4.01 sec.'));

else

title('Behavior of the Radioactive Decay Chain N1 -> N2 -> N3 Using Euler Method')

end

xlabel('Time (s)')

ylabel('Number of Atoms')

legend('N1', 'N2', 'N3')

end

Best Regards,

Saravanan Mani

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