MATLAB,用MATLAB处理数据的最小二乘法程序答:matlab程序如下:g=[0.86,0.80,0.62,0.52,0.44]; %加速度数组为g m=[147.9, 197.9, 247.9,297.9,347.9];%对应质量数组m corrc=corrcoef(m,g); %相关系数计算,-0.9881,说明强负相关 result=polyfit(g,m,1); %最小二乘法回归m=ag+b,系数a,b在result中 cal_m=result(...
测量一个尺子L,测出了一堆数据,想用matlab最小二乘法求出最合适的L,该...答:clear all; clc;y = 100 + 5*randn(1,100); %模拟数据,假设尺子理论长度为100mmx = zeros(1,100);scatter(x,y);b=polyfit(x,y,0) %最小二乘法计算hold on;scatter(0,b,'*r');