Full text: Theoria combinationis observationum erroribus minimis obnoxiae

18 
CAROL. FRI DER TC. GAUSS 
x\ x' etc., idem denotare fnpponuntur, atque n refpectn ohfer* 
vationis primae. Quodfi itaque numeros n, n , n" etc. ipfis m, 
m\ rn etc. proportionales JOupponere licet, error ille metuendus 
medius Fit 
V (n 4 -7U 4 ).V / '(l-|- fX 4 -f- /u" 4 4“ etc - ) 
' , . ~ 
1 T/l fi T/l H’ 4~ CtC. 
At haecce ratio, valorem approxlmatum ipFius m determinandi, 
non eft ea, quae maxime ad rem facit. Ouod quo clarius often- 
damus, confideremus expreiiionem generaliorem 
ct x x a x x 4" etc - 
y I ' ’ ' \ 'III n , . 
etc. 
cuius valor medius quoque erit ~imn, quomodocunque eligan 
tur coefTicientes ct\ ct' etc. Error autem medius metuendus, dum 
valoiern determinatum ipiius y, prout fors errores x, x, x" etc. 
offert, ipii min aequalem fupponimus, inuenitur per principia 
fupra tradita 
V ( n 4 — m 4 4~ ct ct (n 4 — in' 4 'i 4~ ct" ct' {n' 4 — in" 4 ) 4~ etc ) 
t f f . I r f r f f , 
Ct fJ. [X 4“ Ct /U fX 4“ e ^ c * 
Vt hic error medius fiat quam minimus, ftatuere oportebit 
7/i ‘ 
Ct = 
a 
/4 
m 
^ -Z 4 Z 4 
in‘ 
'4 
IU 
n n 
/u fj. etc. 
Manifeho hi valores euolui nequeunt, niil infuper ratio quantita 
tum n, n, n" etc. ad m, in\ m" eic, aliunde nola fuerit; qua cog 
nitione exacta deficiente, faltern lutiffimnm videtur *), illas his 
proportionales ftipponere (v. art. ii ), vnde prodeunt valores 
*} Scilicet cognitionem quantitatum ¿f, etc, in eo folo cafu in pote 
state eile concipimus, vbi per rei naturam errores x, x'.x" etc. ipiis r, 
(*■’, y." eic. proportionales, aeque probabiles cenfendi funt, aut potius vbi 
<P x ~ fi (p’ ( y’x) ZZ y" <p" (y" x ) €tc.
	        
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