A fast non‐negativity‐constrained least squares algorithm

@article{Bro1997AFN,
  title={A fast non‐negativity‐constrained least squares algorithm},
  author={R. Bro and S. de Jong},
  journal={Journal of Chemometrics},
  year={1997},
  volume={11}
}
In this paper a modification of the standard algorithm for non‐negativity‐constrained linear least squares regression is proposed. The algorithm is specifically designed for use in multiway decomposition methods such as PARAFAC and N‐mode principal component analysis. In those methods the typical situation is that there is a high ratio between the numbers of objects and variables in the regression problems solved. Furthermore, very similar regression problems are solved many times during the… Expand
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