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clc;clear;
X=[600,660,730,775,860,980]        %XÖá,ζÈ
Y=[-3,-2,-1,0,1,1.70]        %YÖá,logÓ¦±äËÙÂÊ
Z=[108.3,78.5,57.1,36.1,24.3,10.9,
152.4,112.9,71.7,48.8,35.4,11.4,
184.9,154.4,112.9,77.8,52.6,15.2,
239.4,215.4,152.0,107.6,67.6,34.7,
269.8,249.1,221.7,178.3,110.1,61.8,
280.5,264.1,247.1,211.8,112.6,89.7]                %XÁУ¬YÐÐ
Zlog=log10(Z)        %logÓ¦Á¦
i=50        %ÉèÖòåÖµ¾ØÕóµÄÐÐÊý
j=50        %ÉèÖòåÖµ¾ØÕóµÄÁÐÊý
Xi=(600: (980-600)/(j-1):980)        %¸³Öµ¸øX²åÖµµã
Ylogi=(-3: (1.70-(-3))/(i-1):1.70)        %¸³Öµ¸øY²åÖµµã
Yi=10.^Ylogi        %Ó¦±äËÙÂʵIJåÖµÏòÁ¿£¬10µÄYlogiÔªËØ´Î·½
Zlogi=interp2(X,Y,Zlog,Xi,Ylogi','spline')        %ÓÃspline·½·¨²åÖµ(logÓ¦Á¦)¾ØÕó
Zi=interp2(X,Y,Z,Xi,Ylogi','spline')         %ÓÃspline·½·¨²åÖµÓ¦Á¦¾ØÕó
[Fx,M]=gradient(Zlogi,1,(1.70-(-3))/(i-1))         %¼ÆËãlogÁ¦/logËÙÂÊ=M¡£Èç¹ûFÊǶþά¾ØÕ󣬷µ»ØFµÄ¶þάÊýÖµÌݶȡ£[FX,FY]=gradient(F,HX,HY)¡£HX,HY²ÎÊý±íʾ¸÷·½ÏòÏàÁÚÁ½µãµÄ¾àÀë¡£
S=cumtrapz(Yi,Zi)         %ͨ¹ýµÝ¹éÑ­»·¼ÆËã»ý·Ö,¼ÆËãÀÛ»ýÌÝÐλý·Ö,Ó¦Á¦ÔÚlogÓ¦±äËÙÂÊÉϵĵã»ý·Ö
P=zeros(i,j)         %ÉèÖÃÈ«0¾ØÕó
Es=-3        %¸³ÖµlogÓ¦±äËÙÂÊ×îСֵ
Smin=Zi(1,: ).*10^Es./(M(1,: )+1)         %¼ÆËãÓ¦±äËÙÂÊ×îСʱµÄµÚÒ»Ïֵ,(3,: )´ú±íµÚÈýÐУ¬ËùÓеÄÁС£(:,3)´ú±íËùÓÐÐÐ,µÚÈýÁС£(:,1,1)´ú±íËùÓеÚһά,µÚ¶þάºÍµÚÈýάµÄµÚÒ»¸öÔªËØ¡£
for n=1:j
G(:,n)=S(:,n)+Smin(n)         %ÿÏîµÄÀÛ»ý»ý·ÖÖµ¼ÓÉÏ×îСֵ-GÖµ
P(:,n)=Zi(:,n).*Yi(: )         %ÿÏîÓ¦Á¦ºÍÓ¦±äËÙÂʵij˻ý-PÖµ
end
eta=2*(1-G./P)*100         %¼ÆËã¦ÇÖµ¾ØÕó
ksai=2*M./(eta/100)-1         %¼ÆËã¦ÆÖµ¾ØÕó

contour(Xi,Ylogi,eta)           %¦Ç¶þάͼ£¬contour(Xi,Ylogi,eta,10) ,10±íʾ10¸ùµÈ¸ßÏߣ¬²»¼Ó10±íʾ×Ô¶¯
surf(Xi,Ylogi,eta)        %¦ÇÈýάͼ£¬ÈýάͼÈÝÒ×Ôì³ÉMatlabËÀ»ú

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clc; clear all; close all;
figure; box on; hold on;
contour(peaks(20),10);
fill([1:2:20 20:-2:1], [repmat(18, 1, 10) repmat(20, 1, 10)], 'r');

[ Last edited by cpu3012 on 2011-9-25 at 16:07 ]

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[ Last edited by cpu3012 on 2015-8-31 at 10:49 ]
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ZHD310

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cpu3012

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cpu3012

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