approximand

plural approximands

1. mathematicsThe solution to function, series, etc. that is to be approximated.

   The key task of approximating with granules is seeking for the tightest envelope for the approximand.

   2012, Moamar Sayed-Mouchaweh, Edwin Lughofer, Learning in Non-Stationary Environments: Methods and Applications, page 275

   2 more examples

   Each shape affects how well F approximates a given approximand and how quickly an adaptive fuzzy system F approximates when learning tunes the parameters of Aⱼ.

   1998, International Conference on Fuzzy Systems, Proceedings of the IEEE International Conference on Fuzzy Systems, Volumes 1-3, page 1237

   In effect, this result is ideal, as it gives the same rate m^(-(s-1/p)) we could hope to obtain by knowing that the underlying approximand was a ridge function in a specific direction […]

   2000, Royal Society (Great Britain), Wavelets: The Key to Intermittent Information?, page 256