Full text: Theoria combinationis observationum erroribus minimis obnoxiae

34 
CAROL. FRIDERIC. GAUSS 
aA-\~bB-\-cC-J- etc, 4~ / ~ A 
a A 4“ b' B F* c C 4* etc. 4“ ^ — A 
a"A4~ b' B 4” c C -f- etc. 4" ^ — A 
etc.} itatuamus praeterea 
AA 4" A A 4- A A 4" e ^ c * — M 
ita vt fit M valur functionis £1 valoribus maxime plauii bilibus 
indeterminatarum refj-ondens, adeoque per ea, quae in art. co. 
de.monilrauimus, valor minimus huius functionis. Hinc erit 
a \ a X' 4- a" X" 4“ etc * valor ipiius £, valoribus x — A, y zz B, 
z~C etc. refpondens, adeoque —o, i. e. habebimus 
2aA = o 
et perinde fiet 
'SbX — o, 'EcX — o etc.; nec non 2«A = o t 2|3A = o, 
2yA- o etc. 
Denique multiplicando expreifiones ipfarum X, X', X" etc. per 
X, X', X" etc. refp., et addendo, obtinemus IX 4- i'X' l"X" 4~ etc. 
= XX4-X'X'4-A ,, X"4- etc., fuie 
21 X = M. 
26. 
Substituendo in aequatione v — ax b y czetc. 4-1, 
pro x, y, z etc. expreffiones VII. ait. 21, prodibit, adhibitis 
reductionibus ex praecedentibus obuiis, 
n = ri£4* 4" c /£i~ etc • 4~ A 
et perinde erit, indefinite 
v ct £ 4- /3 t] 4" 7 i + etc - + A' 
v" =r. a" £ 4" 3" V 4" V ¿*4“ etc * 4“ A , 
etc, Multiplicando vel has aequationes, vel aequationes I art. co. 
refp. per A. A', A'' etc., et addendo, difcimus eife indefinite 
A v 4~ A" v 4“ A" t 17 4" etc - — dd.
	        
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