4D interpolation

[Ben Abbott]

On May 20, 2008, at 3:52 AM, thanatos187 wrote:

>
> Hi
> I want to interpolate my values with the spline method. I did it  
> with the
> command:
> vi = interpn(u,v,w,x,z,uu,vv,ww,xx,'spline');
> where u,v,w,x are vectors of the same length defining the point with  
> the
> value z. uu,vv,ww,xx are creaed by the ndgrid command. i got the error
> message: "wrong number or incorrectly formatted input argument".
>
> thanks for any help
> Thanatos

Can you post a simple example? Does the problem occur for "nearest",  
"linear", or "cubic" interpolation?

Ben