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wangcy1989

Ìú³æ (³õÈëÎÄ̳)

[ÇóÖú] ÇóÖúmatlabÇó½âÈýÔª³¬Ô½·½³Ì

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ÇóÖúmatlabÇó½âÈýÔª³¬Ô½·½³Ì
2¡¢ÕâÊÇÎÒ×Ô¼ºÐ´µÄ´úÂ룬µ«³ÌÐòÒѾ­ÔËÐÐÒ»ÕûÌìÁË£¬¼ÈûÓб¨´í£¬Ò²Ã»ÓÐÔËÐгö½á¹û£¬Çë¸÷λ´óÅ£Ö¸½Ì£¬²»Éõ¸Ð¼¤£¡
alpha=0.1;bata=0.1;r=1;   
M=0.5;TA=0.2;         
A=10*M;
k=0.5;l=0.9;
syms a b h X;           
X=1.5;

g1=r*(alpha+bata*(r*h+A-M)-TA).^a/(2*A.*(a+2));
g2=(1+k*l).*(a+1)-k*(alpha+bata*(r*h+A-M)-TA)/(A*bata);
g3=k*X*r*((TA-alpha).^(b+1))/(2*A^2*bata.*(b+1));

f=@(a,b,h)g1*g2-g3-h;
[a,b,h]=meshgrid(linspace(0,1));
val=f(a,b,h);
[p,v]=isosurface(a,b,h,val,0);
patch('faces',p,'vertices',v,'facevertexcdata',jet(size(v,1)),'facecolor','w','edgecolor','flat');
view(3);grid on; axis equal

[ Last edited by wangcy1989 on 2013-9-25 at 10:22 ]
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pl408367247

Ìú³æ (СÓÐÃûÆø)

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csgt0: ½ð±Ò+1, лл 2013-09-26 13:19:59
ÓÉÓÚ¼ÆËã»úÐÔÄÜÎÊÌ⣬ÎÒÖ»ÔËËãÁËa=[0£¬0.1]µÄ £¬ÔËËãÓÐûÓнá¹ûÄã¿´matlabÖеÄworkspaceÖеıäÁ¿c
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4Â¥2013-09-26 12:24:56
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
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pl408367247

Ìú³æ (СÓÐÃûÆø)

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¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
dingd: ½ð±Ò+1, лл½»Á÷¡£ 2013-09-25 22:15:30
wangcy1989: ½ð±Ò+5, ¡ïÓаïÖú, ·Ç³£¸ÐлÄúµÄÈÈÐİïÖú£¬½ð±ÒÓÐÏÞ£¬È«²¿¸øÄúÁË~ 2013-09-26 15:11:31
clc;
clear;
alpha=0.1;bata=0.1;r=1;   
M=0.5;TA=0.2;         
A=10*M;
k=0.5;l=0.9;      
X=1.5;
syms h;
a=0:0.01:1-0.01;
b=a;
N=length(a);
c=zeros(N,N);
for i=1:10
    g1=r*(alpha+bata*(r*h+A-M)-TA)^a(i)/(2*A*(a(i)+2));
    g2=(1+k*l)*(a(i)+1)-k*(alpha+bata*(r*h+A-M)-TA)/(A*bata);
    for j=i+1:11
    g3=k*X*r*((TA-alpha)^(b(j)+1))/(2*A^2*bata*(b(j)+1))-h;
    d=solve(g1*g2-g3,'h');
    N_d=length(d);
    for mm=1:N_d                     %´ÓÖÚ¶à½âÖÐÑ¡ºÏÊʽâ
        if(d(mm)==real(d(mm)))
            gg=g1*g2-g3;
            v_gg=subs(gg,d(mm));
            if(double(abs(v_gg))<0.0000001)
                break;
            end
        end     
    end
    c(i,j)=d(mm);%c¾ÍÊÇÄãÒªÇóµÄh
    end
end
ѧϰÖУ¡
2Â¥2013-09-25 21:35:28
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

wangcy1989

Ìú³æ (³õÈëÎÄ̳)

ÒýÓûØÌû:
2Â¥: Originally posted by pl408367247 at 2013-09-25 21:35:28
clc;
clear;
alpha=0.1;bata=0.1;r=1;   
M=0.5;TA=0.2;         
A=10*M;
k=0.5;l=0.9;      
X=1.5;
syms h;
a=0:0.01:1-0.01;
b=a;
N=length(a);
c=zeros(N,N);
for i=1:10
    g1=r*(alpha+bata* ...

ÎÒÔËÐÐÁËһϣ¬Ã»Óнá¹û¡£
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3Â¥2013-09-26 11:20:06
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

wangcy1989

Ìú³æ (³õÈëÎÄ̳)

ÒýÓûØÌû:
4Â¥: Originally posted by pl408367247 at 2013-09-26 12:24:56
ÓÉÓÚ¼ÆËã»úÐÔÄÜÎÊÌ⣬ÎÒÖ»ÔËËãÁËa=µÄ £¬ÔËËãÓÐûÓнá¹ûÄã¿´matlabÖеÄworkspaceÖеıäÁ¿c

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5Â¥2013-09-26 15:10:34
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
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