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  • Last update: 5 years ago
  • Total downloads: 24
  • Operating system: Linux, Mac OS X, Win All, BSD, Solaris
  • Publisher: Jeffrey Wu
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scripts default iconFaster linear Interpolation (Scripts) Publisher's description

I threw this together for myself, because I wanted a version of interp with differences 1

I threw this together for myself, because I wanted a version of interp with differences 1, 2, and 3 (below). I'm sure it's not as fast as it could be - feel free to comment on any potential improvements, or on any bugs.

Differences from MATLAB built-in functions:
1. MUCH faster
2. Extends border values instead of returning NaN
3. If coordinate is exactly on the spot, it doesn't look at neighbors. Example of why this might be relevant:
interpolate([blah, blah2], [desiredvalue, NaN], blah) returns desiredvalue instead of NaN
4. Order of X/Y arguments switched for 2d and 3d interpolate
5. Only takes a scalar query value (I will change this sometime perhaps, when I feel like it, or if I see that people actually care and want to use my function)

Anyways, I know it's really simple, and most of you could have coded it yourself, but hope you find good use for this!

System Requirements:

MATLAB 7.10 (2010a)
Program Release Status: Major Update
Program Install Support: Install and Uninstall

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