I keep getting this matrix error when I run my code, any tips how I can fix it, its line 45.
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N=10;
L=10;
D=.01;
dt=.01;
k_on=1;
k_off=.1;
F=1;
tmax=100;
x=L*rand(N,1);
y=L*rand(N,1);
state=zeros(N,1);
figure;
axis([0 L 0 L]);
set(gca,'nextplot','replacechildren');
for t = 0:dt:tmax
dx=sqrt(2*D*dt)*randn(N,1);
dy=sqrt(2*D*dt)*randn(N,1);
x=x+dx;
y=y+dy;
x(x<0)=0;
x(x>L)=L;
y(y<0)=0;
y(y>L)=L;
p_on=k_on*dt*F;
p_off=k_off*dt;
for i = 1:N
if state(i)==0
if rand < p_on
state(i)=1;
end
else
if rand<p_off
state(i)=0
end
end
end
colors= repmat([1 0 0], N,1)
colors(state == 1,:,:) = repmat([0 1 0],sum(state),1);
scatter(x,y,50,colors,'filled');
title(sprintf('Time=%.2f',t));
drawnow;
if any(state == 1)
p_bind=1-exp(-k_on*dt*F);
if rand<p_bind
[~,i]=max(state);
state(i)=2;
colors(i,:)=[0]
end
end
end
Unable to perform assignment because the size of the left side is 8-by-3 and the size of the right side is 10-by-3.
colors(state == 1,:,:) = repmat([0 1 0],sum(state),1);
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