【优化算法】广义正态分布优化算法（GNDO）【含Matlab源码 1531期】

一、获取代码方式

获取代码方式1：
完整代码已上传我的资源：【优化算法】广义正态分布优化算法（GNDO）【含Matlab源码 1531期】

二、部分源代码

clc
clear all

lb = -100.*ones(1,10);
ub = 100.*ones(1,10);
maxit = 100;
objf= @Sphere;

n = 30;
d = 10;

[BestCost,BestValue,Best]=GNDO(objf,n,d,lb,ub,maxit);
plot(BestCost,'r','linewidth',2)
xlabel('The number of iterations','Fontname','Times New Roma','fontsize',15);
ylabel('Fitness value','Fontname','Times New Roman','fontsize',15);

function [cgcurve,bestFitness,bestSol]=GNDO(obj,n,d,lb,ub,t)

%obj--------objective function
%c-------population size
%d-------dimension of problem
%lb-----the lower limit of the variables
%ub-----the upper limit of the variables
%t------the maximum number of function evaluations
%cgcurve---the record of the convergence curves
%bestobj--the optimal fitness value
%bestsol-------the optimal solution


% Initialise the population
for i=1:n
    x(i,:)=lb+(ub-lb).*rand(1,d); % Eq. 26
end

bestFitness = inf;

for it=1: 1 : t
    
    for i=1:n
        fitness(i) = obj(x(i,:));
        
        if fitness(i) < bestFitness
            bestSol = x(i,:);
        end
    end
    cgcurve(it)=bestFitness;
    
    
    mo= mean(x);
 

    for i=1:n
        a=randperm(n,1);
        b=randperm(n,1);
        c=randperm(n,1);
        while a==i | a==b | c==b | c==a |c==i |b==i
            a=randperm(n,1);
            b=randperm(n,1);
            c=randperm(n,1);
        end
        
        if fitness(a)<fitness(i)  %Eq. 24
            v1=x(a,:)-x(i,:);  
        else
            v1=x(i,:)-x(a,:);
        end
        
        if fitness(b)<fitness(c) %Eq. 25
            v2=x(b,:)-x(c,:);
        else
            v2=x(c,:)-x(b,:);
        end
        
        if rand<=rand
            
            u=1/3*(x(i,:)+bestSol+mo); %Eq . 19
            deta=sqrt(1/3*((x(i,:)-u).^2 ...
                    +(bestSol-u).^2+(mo-u).^2)); %Eq. 20
            
            vc1=rand(1,d);
            vc2=rand(1,d);
            
            %Eq. 21 
            Z1=sqrt(-1*log(vc2)).*cos(2*pi.*vc1);
            Z2=sqrt(-1*log(vc2)).*cos((2*pi.*vc1)+pi);
            a = rand;
            b = rand;
            if a<=b
                eta = (u+deta.*Z1);
            else
                eta = (u+deta.*Z2);
            end

  

 

  
1
  
2
  
3
  
4
  
5
  
6
  
7
  
8
  
9
  
10
  
11
  
12
  
13
  
14
  
15
  
16
  
17
  
18
  
19
  
20
  
21
  
22
  
23
  
24
  
25
  
26
  
27
  
28
  
29
  
30
  
31
  
32
  
33
  
34
  
35
  
36
  
37
  
38
  
39
  
40
  
41
  
42
  
43
  
44
  
45
  
46
  
47
  
48
  
49
  
50
  
51
  
52
  
53
  
54
  
55
  
56
  
57
  
58
  
59
  
60
  
61
  
62
  
63
  
64
  
65
  
66
  
67
  
68
  
69
  
70
  
71
  
72
  
73
  
74
  
75
  
76
  
77
  
78
  
79
  
80
  
81
  
82
  
83
  
84
  
85
  
86
  
87
  
88
  
89
  
90
  
91
  
92
 

三、运行结果

四、matlab版本及参考文献

1 matlab版本
2014a

2 参考文献
[1] 包子阳,余继周,杨杉.智能优化算法及其MATLAB实例（第2版）[M].电子工业出版社，2016.
[2]张岩,吴水根.MATLAB优化算法源代码[M].清华大学出版社，2017.

文章来源: qq912100926.blog.csdn.net，作者：海神之光，版权归原作者所有，如需转载，请联系作者。

原文链接：qq912100926.blog.csdn.net/article/details/121353971