xianxing.m

峰值检测

clear all;close all;
Y=[212.2146	222.5272	228.4559	234.9213];%1.0000	1.0486	1.0765	1.1070	1.1136	1.1071	1.1173	1.1179
X=[0 10 20 50];
% X=log10(X)
p1=polyfit(X,Y,1);
scatter(X,Y)
hold on;
plot(X,p1(1)*X+p1(2),'k-');