how to form eucledian distance based clusters inside each rectangular grids b/w nodes present in each grid

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kiranpreet kaur
kiranpreet kaur 2016-8-24
评论： kiranpreet kaur 2016-8-28
plz help me further in this code that how to use for loop inside

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回答（2 个）

KSSV
KSSV 2016-8-25
KSSV
KSSV 2016-8-26
close all;
clc;
ngrid=4;%no. of grids
N=200;
R=0.5;
sink.x=3.1;
sink.y=3.1;
x = linspace(0, 4, ngrid+1);
E=0.5;
[X,Y] = meshgrid(x);
figure(1)
plot(X,Y,'k')
hold on
plot(Y,X,'k')
hold on
ngrid = 4;
coords = rand(N,2) * ngrid;
nodes = struct('x',coords(:,1),... %# Assign x coordinates
'y',coords(:,2),... %# Assign y coordinates
'energy',E);
scatter(coords(:,1),coords(:,2));
set(gca, 'XTick', 1:ngrid+1, 'YTick', 1:ngrid+1)
axis square
plot(nodes.x,nodes.y,'o','LineWidth',2, 'MarkerEdgeColor','m','MarkerFaceColor','m','MarkerSize',3)
plot(sink.x,sink.y,'d','LineWidth',2, 'MarkerEdgeColor','r','MarkerFaceColor','y','MarkerSize',12)
grid on;
%%Get nodes inside for each box
P1 = cell(4,4) ;
for i = 1:4
for j = 1:4
A = [X(i,j) Y(i,j)] ;
B = [X(i+1,j+1) Y(i+1,j+1)] ;
idx = find(nodes.x >= A(1) & nodes.x <B(1)) ;
idy = find(nodes.y >= A(2) & nodes.y <B(2)) ;
id = intersect(idx,idy) ;
P1{i,j} = [nodes.x(id) nodes.y(id)] ;
% plot points inside first box
plot(P1{i,j}(:,1),P1{i,j}(:,2),'*g')
end
end

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