I am getting error "not enough input arguments" , I don't know how to resolve this.

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KAJAL KUMARI
KAJAL KUMARI on 30 Jun 2021
Commented: KAJAL KUMARI on 30 Jun 2021
function [dn]=numparticles(t, n)
global SECT funcall No m
funcall=funcall+1;
dn=zeros(SECT,1);
sums=zeros(3,1);
disp(['Function call ', num2str(funcall),' t value ', num2str(t) ,' of ',num2str(120),'.'])
for i=1:SECT
if (i-2 >= 1)
for j=1:i-2
sums(1)=sums(1)+beta(i-1,j)*2^(j+1-i)*n(j);
end
end
if (i-1 >= 1)
for j=1:i-1
sums(2)=sums(2)+beta(i,j)*2^(j-i)*n(j);
end
dn(i)=dn(i)+ n(i-1)*sum(1)+ 0.5*beta(i-1,i-1)*n(i-1)^2-n(i)*sums(2);
end
if (i+1 <=SECT)
% dn(i)=dn(i)+2*gamma(i+1)*n(i+1);
for j=1:SECT
sums(3)=sums(3)+beta(i,j)*n(j);
end
dn(i)=dn(i)-n(i)*sums(3);
end
dn(i)=dn(i)/No(1);
sums=zeros(3,1);
end
  1 Comment
Jan
Jan on 30 Jun 2021
Whenever you mention an error in the forum, post the complete message. It is hard to guess, in which line your code fails, but you have this valuable information directly on the screen. So please share it with the readers.
Is beta a function or an array?

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Answers (1)

Jan
Jan on 30 Jun 2021
Edited: Jan on 30 Jun 2021
How do you call this function? If you use the green triangle in the editor, the function is called without inputs and you will see the mentioned error.
You have to call it with inputs from the command window or from another script or function:
t = ???;
n = ???;
dn = numparticles(t, n)
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