Missing samples interpolation through the FFT

Interpolates missing samples with arbitrary positions through the FFT.

The function InterpMissingSamples.m interpolates a signal in a regular grid of length N from P samples at nonuniform positions in that grid. The interpolation is done through the FFT only, i.e, without inverting the associated linear system. The method is described in the paper
@ARTICLE{Selva15,
author={Selva, J.},
journal={Signal Processing, IEEE Transactions on},
title={{F}{F}{T} Interpolation From Nonuniform Samples Lying in a Regular Grid},
year={2015},
volume={63},
number={11},
pages={2826-2834},
month={June},}

There is a pre-print available at

http://arxiv.org/abs/1408.3717