matlab曲线拟合怎么写答:n=1;A=polyfit(x,y,n); %n给定项式数拟合结A系数向量y1=polyval(A,x); %计算拟合y值plot(x,y,'k*',x,y1,'r-'); %画数据比图黑点原始数据红线拟合曲线 指定函数拟合f=fittype('a*e^(b*x)+c'); %引号函数模型默认x自变量其余待定参数fity=fit(x,y,f) %曲线拟合给拟合结%再...
matlab 极坐标曲线拟合方程怎么求?答:theta = [0,15,30,45,60,75,90,105,120,135,150,165,180,195,210,225,240,255,270,285,300,315,330,345,360];R = [320,321,341,375,420,450,460,466,474,468,466,466,466,466,466,466,466,461,443,420,400,383,360,337,320];plot(theta,R,'o');将数据标准化 theta1 = ...