Full text: [Allgemeine Analysis] Theoria combinationis observationum erroribus minimis obnoxiae (3. Band)

BB 
QUAM IN PUNCTUM QUODVIS POSITIONIS DATAE EXERCERET PLANETA ETC. 
formula 17 suppeditat 
kj aabhAA t / aa C C + a ahh 
T = V [¿a — bb){aaCC+b') V aaCC + b 1 ' 
ac dein formulae 3, 4 
_ y(ao — bb) fbbA jbb{aa — bb) . / b*AA 
347 
a 
a A 
a{CC + bb) 
v aa 
'J 
CC + 6 4 V ((7C+6i)(aaCC + 6‘) 
Valores coefficientium 7,7" per formulas 18, 19 in hoc casu indeterminati 
manent, atque sic etiam valores coefficientium reliquorum a, a, b". Nihi 
lominus per unum horum coefficientium omnes quinque reliqui exprimi possunt, 
e. g. fit per formulam 6 
Y 'a A 
a = 
-bb 
ac dein 
$'=\/(l — M+ii), y"=V(TT 1 tY)> aV+rY) 
Sed concinnius hoc ita perficitur. Ex 
77 == i-j-aa, aa = 77, 1 = aa-f-f)'!)'— 7'7' 
sequitur 
1 aa 1 aa 
Quapropter statuere possumus 
= cos/, 7' = a sin/, a' = 7 sin/ 
Dein vero e formulis 
ga" = @7'—76', g6" = ya — «7', g7" = ^a — ociT, gg = l 
invenimus 
a"= —gycos/, b" = gsin/, 7"= —gacos/ 
Yalor anguli / hic arbitrarius est, nec non pro lubitu statui poterit vel g = -f-l 
vel g = — 1. 
11. 
Si G', G" sunt inaequales, valores coefficientium 7, 7', 7" per formu 
las 17, 18, 19 indeterminati esse nequeunt, sed quoties aliqua quantitatum 
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