a degree 3 polynomial that has zeros -1,1 and 6 and in which the coefficient of x^2 is -12.
问题描述：
a degree 3 polynomial that has zeros -1,1 and 6 and in which the coefficient of x^2 is -12.
答
% This generates a sine-like spline curve and samples it over a finer*c for the slopes b=zeros(yd,n); b(:,2:n-1)=3*(dx(dd,2:n