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

224 
NACHLASS. 
Statuamus primo in aequ. 80, x 
4(1—y) 
4 y 
(1 + y) 2 
unde 
adeoque 
a x _ V) 
ax — y (i+y) s 
àP __ dP (i + y) 
d x 
dd P 
da; 
ddP 
d« 2 
4(1 — y) 
d ¿I . O+y) 8 I . (2 —y)(l+y) s dy 
d V 4. ( 1 — “ ' d 7/ 1 ( 1 — 7/^ a 
dy 4(1 —y) 
ddP (i + y) 
dy z ' 16(1—ijf 
dy 2(1— yf 
(2—y)(i + y) s dP 
8 (l—y) 3 d V 
Hinc fit aequatio illa 
0 = at)P 
— (T(i+y) 2 — 4 (a + 6+1)3/) ~ 
ddP _ y(l + y) 8 y(2— y)(l+y) dP 
dy* 4 2(1 — y) ‘d y 
sive 
0 = 4 a ^ ( 1 —y) P 
— (f(l+^)*— 4 (0 + 6+1)^— 2y(2— y)(l+y)) jp 
— {y—yy){ l +yf^ 
0 = 4at)(l—y)P 
— ( 1 +y)(T —(4“+4 6—2 t)^+(t —%y)j^ 
— (*+y)*(y— 
Statuendo P — (l-|-3/) 2a Q, hinc deducitur 
I. 0 = 2a(2^—y —(— (2 a—j— 1 — *[)y) Q 
— (l— (4 6 — 2 T )y + (f — 4 a — Ì)yy) || 
—(y— yy)(l+y)^? 
lam supponendo esse 6 = a+4» haec aequatio induit formam sequentem 
0 = 2a(2a-f-l — y) Q 
— (t — (4a+2 — y)y)^~ 
—(y—yy)^~? 
cuius integrale est 
Q = F[2 a, 2ct —(— 1 — Y’ T» #)
	        
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