akima - Akima Interpolation
The given point (x,y) are approximated by 3rd order polynomials. The 2nd derivative is not considered (like with spline interpolation). Therefore wiggles are surpressed as far as possible.
If the input sequence consist of N points, then the result of interpolation consists of (N-1)*K points.
x=[1,2.5,3.2,4.8,5.9,6.2,7.7,8.3,9.3]; y=[0,0,1,1,2,2,3,3,4]; [xi,yi]=akima(x,y,5); plot2d(x,y,style=-3); plot2d(xi,yi,style=2);
bezier ,