最小二乘法c程序(个曲线拟合的问题,高手请指点)要求x是二次的!!)答:void main(){ double X[21] = {0.00,0.056,0.112,0.168,0.224,0.280,0.336,0.392,0.448,0.504,0.560, 0.616,0.672,0.728,0.784,0.84,0.896,0.952,0.1008,0.1064,1.12} ;double Y[21] = {0.00,1.66,3.31,4.96,6.6,8.22,9.82,11.4,12.94,14.43,15...
求教用matlab 实现最小二乘法拟合曲线的问题答:使用多项式拟合函数polyfit(x,y,n),其中x是你要你和的自变量,y是你要拟合的因变量,n是你要用到的拟合多项式的最高次数,函数返回这个多项式。具体你的问题:x=[1,2,3,4,5,6,7,8,9,10,11,12]y=[ 96.31, 135.44, 79.5, 56.54, 256.21, 350.68, 105.62, 185.03, 493.08...