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  4. RMS approximation of measurements of the Earth's magnetic field strength by power polynomials

RMS approximation of measurements of the Earth's magnetic field strength by power polynomials

ISTCGCAP.
2002;
Volume 62, Number 62
: 25-27
Authors:
  1. N. D. Josipchuk
  2. Аndrii Sohor
  3. Olexandr Zayats
  4. P. M. Boiko
  5. M. I. Yuras
1
Lviv Polytechnic National University
2
Department of Cartography and Geospatial Modeling, Institute of Geodesy, Lviv Polytechnic National University
3
Engineering geodesy department of Lviv Polytechnic National University
4
Lviv Polytechnic National University
5
Lviv Polytechnic National University

Geophysical observations were fitted by usual polynomials (up to degree 10) under the least-squares principle. On the basis of correlation analysis it has been proved that time-depended part of usual polynomials is constant for all observations posts.

1. Demidovich B.P., Maron I.A., Shuvalova Je.Z. Chislennye metody analiza. — M.: Nau¬ka, 1967. 2. Vychislitel'naja matematika i tehnika v razvedochnoj geofizike: Spravochnik geofizika / Pod. red. V.I. Dmitrieva. 2-e izd., pererab. i dop. — M.: Nedra, 1990. — 498 s.