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Approximation theory is a branch of mathematics that focuses on how functions can be approximated by simpler or more easily computable functions. It deals with the study of how to represent complex functions in terms of simpler ones and how to quantify the difference between the original function and its approximation. The field has applications in various areas, including numerical analysis, functional analysis, statistics, and machine learning, among others.

Ancestors (6)

  1. Numerical analysis
  2. Algorithms
  3. Applied mathematics
  4. Fields of mathematics
  5. Mathematics
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