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duandian12

ľ³æ (СÓÐÃûÆø)

[ÇóÖú] ÇóÄâºÏÖ¸µã

·³´óÉñÃǰï°ï棬ÎÒÓÐÊý¾Ýx=2.822E-4£¬0.00495£¬0.00995£¬0.0197£¬0.03985£¬0.06047£¬0.07989£¬0.10009£¬0.14979£¬0.20018£¬0.24984£¬0.29978£¬0.39984£¬0.5003£¬0.60034£¬0.70045£¬0.79981£¬0.89997£¬0.99995£¬1.09996£¬1.19987£¬1.29989£¬1.40027£¬1.50004£¬1.59983£¬1.69939£¬1.79978£¬1.89995

y=7.5E-6£¬6.71875E-4£¬0.00391£¬0.0106£¬0.023£¬0.0358£¬0.04649£¬0.05719£¬0.08382£¬0.10749£¬0.13196£¬0.15581£¬0.20194£¬0.24542£¬0.2914£¬0.33464£¬0.37335£¬0.42031£¬0.46305£¬0.50221£¬0.54497£¬0.58705£¬0.62944£¬0.66904£¬0.71459£¬0.75343£¬0.79638£¬0.83817

ÏëÓ÷½³Ìy=y0*x*((1-y/y0)^a)*b*exp(-c/2311.3)½øÐÐÄâºÏ£¬Çó³ö²ÎÊýy0,a,b,c¡£¹òÇó¸÷λ֧ÏÂÕУ¬Ð¡µÜ²»Ê¤¸Ð¼¤..........
clc; clear
A=[...
2.822E-4  7.5E-6
0.00495  6.71875E-4
0.00995  0.00391
0.0197  0.0106
0.03985  0.023
0.06047  0.0358
0.07989  0.04649
0.10009  0.05719
0.14979  0.08382
0.20018  0.10749
0.24984  0.13196
0.29978  0.15581
0.39984  0.20194
0.5003  0.24542
0.60034  0.2914
0.70045  0.33464
0.79981  0.37335
0.89997  0.42031
0.99995  0.46305
1.09996  0.50221
1.19987  0.54497
1.29989  0.58705
1.40027  0.62944
1.50004  0.66904
1.59983  0.71459
1.69939  0.75343
1.79978  0.79638
1.89995  0.83817];
format short g
x=A(:,1);y=A(:,2);
X=[x,y];
%y=y0*k0*x*((1-y/y0)^a)*exp(-H/2311.3)
%y0=a(1),k0=a(2),a=a(3),H=a(4)
fun=inline('a(1)*a(2)* x(:,1)*((1- x(:,2)/a(1)).^a(3))*exp(-a(2)/2311.3)-x(:,2)','a','x')
a=nlinfit(x,y,fun,[1 1 1 1])
%{
figure(1)
plot(x,y)
figure(2)
semilogy(x,y)
figure(3)
loglog(x,y)

%}
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