Re: filling a vector

[Mirek Kwasniak]

On Wed, Oct 11, 2000 at 11:30:27AM +0000, David DS Barnes wrote:
> Hi again,
> 
> I have a matrix [x,y]
> which is not monotonic,
> but all I need is to get yi for xi using [x,y]
> 
> obviously I would have used something like
>       yi = interp1(x,y,xi)
> except for this monotonic problem...
> 
> can anybody help here?

You have to sort (make monotonic) x:

[xs is]=sort(x);
yi=interp1(xs,y(is),xi);

Mirek



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