- call the function with a script or function in another m-file, or
- call it in a script defined before the function in the same m-file. In this case the function will have to have "end" as the last line.
why do i get this error as no enough input arguments
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function [J,distinct_d]=jd(X,p)
% Computes the distances between all pairs of points in a sampling
% plan X using the p–norm, sorts them in ascending order and
% removes multiple occurrences.
%
% Inputs:
% X – sampling plan being evaluated
% p – distance norm (p=1 rectangular – default, p=2 Euclidean)
%
% Outputs:
% J – multiplicity array (that is, the number of pairs
% separated by each distance value).
% distinct_d – list of distinct distance values
if ~exist('p','var')
p=1;
end
% Number of points in the sampling plan
n=size(X,1);
% Compute the distances between all pairs of points
d=zeros(1,n*(n-1)/2);
for i=1:n-1
for j=i+1:n
% Distance metric: p–norm
d((i-1)*n-(i-1)*i/2+j-i)=norm(X(i,:)-X(j,:),p);
end
end
% Remove multiple occurrences
distinct_d=unique(d);
% Pre-allocate memory for J
J =zeros(size(distinct_d));
% Generate multiplicity array
for i=1:length(distinct_d)
% J(i) will contain the number of pairs separated
% by the distance distinct_d(i)
J(i)=sum(ismember(d,distinct_d(i)));
end
after this wheni am running this code i am gettimg a error as no enough arguments
this code i have taken from a book
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Antworten (3)
Image Analyst
am 17 Nov. 2022
You can't just push the green run triangle because it won't know what you want for the input arguments. You have to either
0 Kommentare
Askic V
am 16 Nov. 2022
Bearbeitet: Askic V
am 16 Nov. 2022
You're probably executing this code as a Matlab script. You need to make a function call.
This code should be saved in a separate file called jd.m.
and in Matlab command windows make a coll of this function, like:
[j_out,d_out] = jd(X,1)
0 Kommentare
Kevin Holly
am 16 Nov. 2022
I just ran the code without getting an error.
x = 10*rand(4,2)
[J,distinct_d] = jd(x,1)
function [J,distinct_d]=jd(X,p)
% Computes the distances between all pairs of points in a sampling
% plan X using the p–norm, sorts them in ascending order and
% removes multiple occurrences.
%
% Inputs:
% X – sampling plan being evaluated
% p – distance norm (p=1 rectangular – default, p=2 Euclidean)
%
% Outputs:
% J – multiplicity array (that is, the number of pairs
% separated by each distance value).
% distinct_d – list of distinct distance values
if ~exist('p','var')
p=1;
end
% Number of points in the sampling plan
n=size(X,1);
% Compute the distances between all pairs of points
d=zeros(1,n*(n-1)/2);
for i=1:n-1
for j=i+1:n
% Distance metric: p–norm
d((i-1)*n-(i-1)*i/2+j-i)=norm(X(i,:)-X(j,:),p);
end
end
% Remove multiple occurrences
distinct_d=unique(d);
% Pre-allocate memory for J
J =zeros(size(distinct_d));
% Generate multiplicity array
for i=1:length(distinct_d)
% J(i) will contain the number of pairs separated
% by the distance distinct_d(i)
J(i)=sum(ismember(d,distinct_d(i)));
end
end
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