olemus
meetod arvtulemitega ülesannete lahendamiseks,
eeskätt arvutil ja peamiselt ligikaudseks lahendamiseks analüütilise lahendi puudumisel
= a mathematical tool designed to solve numerical problems, including approximate computer methods for solving mathematical problems which often have no analytical solution

ülevaateid
https://en.wikipedia.org/wiki/Numerical_method

https://www.math.ust.hk/~machas/numerical-methods.pdf

https://en.wikipedia.org/wiki/Numerical_methods_for_ordinary_differential_equations

https://www.researchgate.net/profile/Abiodun_Opanuga/post/how_can_solve_a_non_linear_PDE_using_numerical_method/attachment/59d61f7279197b807797de30/AS%3A284742038638596%401444899200343/download/Numerical+Methods.pdf

http://www.sam.math.ethz.ch/~hiptmair/tmp/NumCSE/NumCSE15.pdf