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qiaobo

金虫 (小有名气)

应助: 0 (幼儿园)
金币: 206.2
散金: 84
红花: 4
帖子: 211
在线: 170.3小时
虫号: 169077
注册: 2006-01-16
性别: MM
专业: 高电压与绝缘

[求助] 新手求助

我是新手，想通过Matlab出张图，可总是计算不出来。大家帮我看看这个程序有什么问题吗？怎么才能运算出来我要的图呢？
clc
data=[23.09992 0 2.63E-03 %T P V
23.1382 10 -1.18E-03
23.38315 20 -4.84E-03
23.62804 30 -8.54E-03
23.77342 40 -0.0119876
23.84993 50 -1.52E-02
23.94173 60 -1.84E-02
24.00293 70 -2.15E-02
24.01057 80 -2.44E-02
28.26291 0 5.52E-03
28.33147 10 1.58E-03
28.81895 20 -2.24E-03
29.10829 30 -5.93E-03
29.33666 40 -9.56E-03
29.36711 50 -1.29E-02
29.44321 60 -0.0163378
29.55737 70 -1.94E-02
29.51932 80 -2.25E-02
33.41611 0 7.72E-03
33.56775 10 3.79E-03
33.99977 20 5.02E-05
34.32558 30 -3.80E-03
34.43921 40 -7.35E-03
34.49223 50 -0.0108851
34.56798 60 -1.41E-02
34.65128 70 -1.75E-02
34.74216 80 -2.05E-02
38.10681 0 1.02E-02
38.35591 10 6.26E-03
38.84641 20 0.0024524
39.21603 30 -1.37E-03
39.46488 40 -5.04E-03
39.44981 50 -8.66E-03
39.51012 60 -1.21E-02
39.6006 70 -1.54E-02
39.6383 80 -1.85E-02
43.18383 0 1.35E-02
43.2139 10 9.33E-03
43.74744 20 5.25E-03
43.95779 30 1.57E-03
44.21315 40 -2.24E-03
44.33331 50 -5.81E-03
44.40841 60 -9.21E-03
44.44595 70 -1.26E-02
44.491 80 -1.58E-02
48.16497 0 1.65E-02
48.35963 10 1.20E-02
48.62913 20 7.87E-03
48.77882 30 3.71E-03
48.83869 40 -1.64E-04
48.98836 50 -4.10E-03
48.9734 60 -7.41E-03
49.00333 70 -1.07E-02
49.09313 80 -1.40E-02
52.68051 0 0.019018
52.85966 10 1.46E-02
53.46416 20 1.03E-02
53.8745 30 6.30E-03
54.23253 40 2.38E-03
54.38169 50 -1.37E-03
54.4861 60 -5.11E-03
54.59795 70 -8.42E-03
54.65015 80 -1.16E-02
58.25566 0 2.20E-02
58.4045 10 0.0173564
58.82123 20 1.29E-02
58.97004 30 8.66E-03
59.10396 40 4.55E-03
59.223 50 8.98E-04
59.31971 60 -2.76E-03
59.34203 70 -6.29E-03
59.42386 80 -9.65E-03
63.47479 0 0.0248829
63.60104 10 2.02E-02
64.06893 20 0.0157432
64.40309 30 1.14E-02
64.65555 40 7.28E-03
64.87827 50 3.36E-03
64.79662 60 -3.32E-04
64.78176 70 -3.89E-03
64.82632 80 -7.45E-03
68.31429 0 0.0278794
68.49234 10 2.31E-02
68.98933 20 1.86E-02
69.33794 30 1.42E-02
69.61237 40 9.92E-03
69.74586 50 5.97E-03
69.7978 60 2.10E-03
69.82745 70 -1.37E-03
69.90163 80 -4.89E-03
73.40152 0 3.09E-02
73.55723 10 2.60E-02
74.11326 20 2.13E-02
74.49137 30 1.68E-02
74.77309 40 1.25E-02
74.87688 50 8.46E-03
75.01033 60 4.51E-03
75.05481 70 8.67E-04
75.06222 80 -2.75E-03
78.20571 0 3.41E-02
78.28728 10 2.90E-02
78.86563 20 2.42E-02
79.32535 30 1.96E-02
79.55522 40 1.53E-02
79.7851 50 1.11E-02
79.93341 60 7.19E-03
80.00015 70 3.32E-03
80.1188 80 -2.32E-04
];
pp=1.279;%1.032177183;

V=1/pp+data(:,3);T=data(:,1);P=data(:,2);

x=optimresults.x;
c0=0.0894;b3=0.94685;b4=0.000569488;
b1=x(1);b2=x(2);%;

V2=(1-c0.*log(1+P./(b1.*exp(b2.*T)))).*(b3+b4*T);
[V V2];

scatter3(T,P,V,'filled')
hold on
x1fit = min(T):1:max(T);
x2fit = min(P):1:max(P);
[X1FIT,X2FIT] = meshgrid(x1fit,x2fit);
YFIT =(1-c0.*log(1+X2FIT./(b1.*exp(b2.*X1FIT)))).*(b3+b4*X1FIT);
mesh(X1FIT,X2FIT,YFIT)
xlabel('Temp')
ylabel('press')
zlabel('volu')
%surf(xx,yy,zz)

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