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== Overdetermined systems ==
== Overdetermined systems ==
These are products where the number of ingredients is more than the number of nutrients. In principle these products require a LS-fit. However LS-fits seem to bound ingredients and will transform it to a determined system.
These are products where the number of ingredients is more than the number of nutrients. In principle these products require a LS-fit. However LS-fits seem to bound ingredients and will transform it to a determined system.
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== References ==
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* [https://lab.rockefeller.edu/cohenje/PDFs/211CohenRothblumLAA1993.pdf Nonnegative Ranks, Decompositions, and Factorizations of Nonnegative Matrices]