matlab非线性拟合,y=a/x+b,求a,b其中x =[45.171,47.954,52.633,58.748]y=[1220.671475,1248.136529,1640.870355,1749.759467]最好给出matlab的编程代码,我的matlab是7.0的,如果能运行好有丰厚的追分!
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![matlab非线性拟合,y=a/x+b,求a,b其中x =[45.171,47.954,52.633,58.748]y=[1220.671475,1248.136529,1640.870355,1749.759467]最好给出matlab的编程代码,我的matlab是7.0的,如果能运行好有丰厚的追分!](/uploads/image/z/11454920-8-0.jpg?t=matlab%E9%9D%9E%E7%BA%BF%E6%80%A7%E6%8B%9F%E5%90%88%2Cy%3Da%2Fx%2Bb%2C%E6%B1%82a%2Cb%E5%85%B6%E4%B8%ADx+%3D%5B45.171%2C47.954%2C52.633%2C58.748%5Dy%3D%5B1220.671475%2C1248.136529%2C1640.870355%2C1749.759467%5D%E6%9C%80%E5%A5%BD%E7%BB%99%E5%87%BAmatlab%E7%9A%84%E7%BC%96%E7%A8%8B%E4%BB%A3%E7%A0%81%2C%E6%88%91%E7%9A%84matlab%E6%98%AF7.0%E7%9A%84%2C%E5%A6%82%E6%9E%9C%E8%83%BD%E8%BF%90%E8%A1%8C%E5%A5%BD%E6%9C%89%E4%B8%B0%E5%8E%9A%E7%9A%84%E8%BF%BD%E5%88%86%21)
matlab非线性拟合,y=a/x+b,求a,b其中x =[45.171,47.954,52.633,58.748]y=[1220.671475,1248.136529,1640.870355,1749.759467]最好给出matlab的编程代码,我的matlab是7.0的,如果能运行好有丰厚的追分!
matlab非线性拟合,y=a/x+b,求a,b
其中x =[45.171,47.954,52.633,58.748]
y=[1220.671475,1248.136529,1640.870355,1749.759467]
最好给出matlab的编程代码,我的matlab是7.0的,如果能运行好有丰厚的追分!
matlab非线性拟合,y=a/x+b,求a,b其中x =[45.171,47.954,52.633,58.748]y=[1220.671475,1248.136529,1640.870355,1749.759467]最好给出matlab的编程代码,我的matlab是7.0的,如果能运行好有丰厚的追分!
clear
x =[45.171,47.954,52.633,58.748];
y=[1220.671475,1248.136529,1640.870355,1749.759467];
t=1./x;
[p,S] = polyfit(t,y,1);
clc
plot(x,y,'+',x,polyval(p,t),'-');
legend('origin','fit');
disp(['The values of a and b are:',num2str(p)]);
S.normr
有好多方法的.你提供的数据好像不符合y=a/x+b这个式子.