Li ged, Checking up uhether the point x6? is situated in the 
4 concavity region of the function @(X), i.e.: 
(s) 
S 
(If this condition is fulfilled then the Cholesky's facto- 
la : : : : 
rization of. the matrix. 8. for real numbers exists). 
Otherwise, one increases the mean error C, by. a certain step 
6423 
7. Gir Got À 
B nsn eB..Computation of the increment $9261) of the vector x(s) 
3n), end the subsequent approximation this vector: 
x (Se) 266. 083 
n Seis set) 
(13) 86. Return uith G,:= G, ~ A 
| fj Computation or all geometricel parameters for the terrotrian- 
gulation (Rychleuski 1982,1983) 
g) Computation of mean errors for three groups of observations 
mation 
n and for the geodetical coordinates, The variance - covariance 
y the matrix for the unknoun vector in this method is presented in 
Qn dr (Kadaj 1980). Em Em 
jinningq iz 
ring of The presented algorithm has been introduced to the existing prg 
i * 
à 
gram for the adjustment of the terrotriangulation netuorks: Rych- 
leuski 1982,1983. At present the testing of the program, using si- 
mulated sets of data, is performed. 
(a 
1 
literature 
pot 
Andrews, D.F.: A robust method for multiple linear regression. 
* Technometrics, 15, 523 - 531, 1974. 
i Huber, P.J.: Robust estimation of a location parameter. Ann, Math, 
Statist,, 33, 734101, 1964. 
Kadaj, R.: Wyrdunanie z obserwacjami odstajacymi (Adjustment with 
outlying observations). Przeglad Geodezyiny , nr 2, 252-253, 
1978. 
Kadai, R.: Rozuiniecie koncepcji niestandarcouej metody estymacji 
(Explication of conception of non-standard method of estimation). 
Geodezia i Wartografis, nr 3/4, Vol.XXIX, 195-196, 1980. 
Krarup,T., Kubik,K., -uhl,3.: DOtterdammerung over least scuares 
= 5 adjustment. Proceedings, 14-th Congress of Int. Society of Pho- 
togrammetry, Hamburg, 1980. 
! Kubik, K.: An error theory For the Danish Method. Int. Symp, Math, va 
Frcs Models, Áccurscy Aspects and Quality Control, Helsinki, 1992. 
Rey, W,J.: Robust Statistical Methods. Springer Verlag, 8erlin - 
Heidelberg - Neu York, 1978. 
Rychleuski, C.: Technology of numerical elaboration of terrestrial 
photographs by means of a block method TERRCOCBLCCK, Int. Symp. 
Math, Models, Accuracy Aspects and Quality Control, Helsinki, 
19982. 
Rycnleuski, G.: Metoda terrotrisnqgulacji bloxouss à jej zastosoua- 
nia (A method of block terrotrisnculation sncC its gpplications), 
Geogsewisa'lt Kartogrefico, nr 2, 1983.