How can I add arrows onto the particles in my movie that indicate there movement with my code and how can I calculate the square displacement of each particle.

2 次查看（过去 30 天）
BAILEY MCMASTER
BAILEY MCMASTER 2023-5-2
评论： Walter Roberson 2023-5-2
Ran in:
N=10; % number of integrins
L=100; % size of the domain 100nm
D=.01; % diffusion coefficient
dt=1; % time step
F=randi([1, 10],1); % force on the bond with a random number of 1 to 10
P_a=randi([0,1],1); % binding rate of a random number from 0 to 1
P_ub=1/(1.5*F); % unbinding rate based upon our previous values
Tmax=500; % max time
% Intialize our integrins
x=randi([0,360],N,1); % x-coordinates generated randomily for each integrin
y=randi([0,50],N,1); % y-coordinates generated for each
state=ones(N,1); % Each integrin is set to an inactive state at 0
% our figure
figure;
axis([0 L 0 L]);
set(gca,'nextplot','replacechildren');
% position update
for t = 0:dt:Tmax
% colors for our integrin states
colors = repmat([1 0 0], N,1); % red for inactive state
colors(state == 2,:,:) = repmat([0 1 0],sum(state == 2),1);
% plotting our integrins
scatter(x,y,50,colors,'filled');
title(sprintf('Time=%.2f',t));
drawnow;
for i=1:N
w=randi([0,1],1);
if state(i)==1
dx=randi([-360,360],1);
dy=randi([-50,50],1);
x(i)=x(i)+dx;
y(i)=y(i)+dy;
end
end
x=mod(x,L);
y=mod(y,L);
for i=1:N
w_1=randi([0,1],1);
if w_1 < P_a && state(i)==1
state(i)=2;
end
end
for i=1:N
w1=randi([0,1],1);
if state(i)==2 && w1<P_ub
state(i)=1;
end
end
end
  1 个评论
Walter Roberson
Walter Roberson 2023-5-2
what is the difference between this and https://www.mathworks.com/matlabcentral/answers/1956874-how-can-i-add-arrows-to-each-integrin-particle-in-my-plot-that-is-moving?s_tid=srchtitle

请先登录，再进行评论。

请先登录，再回答此问题。

采纳的回答

Walter Roberson
Walter Roberson 2023-5-2
sqrt(mean(x.^2))
You can add arrows using quiver() or annotation()
However given the color requirements you can tell they expect you to use scatter plots of current and previous positions with different colors for different states.

更多回答（0 个）

类别

在 Help Center 和 File Exchange 中查找有关 Vector Fields 的更多信息

标签

Community Treasure Hunt

Find the treasures in MATLAB Central and discover how the community can help you!

Start Hunting!

Translated by