matlab 极坐标曲线拟合方程怎么求?答:;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 = (theta-mean(theta))./std(theta);p=polyfit(theta1,R,8);pval=polyval(p,theta1);hold on;plot(theta,pval);...