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

306 
NACHLASS. 
= —i(H-tf)cos(n+-J-)y+*(Ä —/>in(«+-J-)y 
Quocirca erit ^(Ar—V) = hcos^iza = hcos\[\in-\-m)a 
= hsin^Tza — hsm^[\yn-{-m)a Q. E. D. 
Haec vero aequatio ipsissimum erit criterium coefficientium ultimorum functionis 
X'", ut in art. 24 ostentum est: quare in hoc quoque casu functio X" cum X'" 
prorsus identica erit. 
III. Quando v par est, iit \in-\-m = adeoque X" ordinis altio- 
ris quam X"'. Facile autem perspicitur, omnes terminos in X", qui ordinem 
F^ tum transcendunt, provenire unice ex iis terminis singulorum coefficientium 
y, 3', y", 3" etc., qui continent cosny et sinwy sive cosjaw# et sin[xwa?. Sint 
hi termini, in expressione pro coefficiente aliquo y^ vel fccos¿sin 
ex quibus producitur in X" 
(A:cos(iw#-f- /sinfjtwa?)cosX<a? in casu primo 
vel (A:cos{xw#-f-/sinji,wa?)sinXa? in casu secundo 
unde 
F&cos (jx ^ —|— X) «a? —j— 4- ^ si 11 
-f-FA:cos({jm — X)#-)-T^sinfjjiw— X)a? 
in casu primo atque 
— \lCOS (¡J.W-f-X)a?-|-FArsin((XW-|-X)a? 
-f-F/cos (jxw—X) x — F&sin({jLw— X) ¿i? 
in casu secundo. Per art. 24 autem substituere oportet pro cosfjxw-f-X)# sive 
cos(F7r-|-X)<a?, costc«cos(Ftc—X)cr + simrasin(4-TC — X)a?; atque pro sinQxw-f-X)# 
sive sin^Tc-j-X)#, sinTcacos^ir— X)a?—cosTrasin(Ftc — X)#. Quare habebimus 
in casu primo 
(A* —Ar cos 7c« —1— ^ sin 7T a) cos(4-t:—X)a? 
+ i(/ + A:sin7ca — /cosTc^sin^rc—X)a? 
in casu secundo autem 
\{l — l cos7ra-l-A:sin7c«)cos(-|-7i: — X)a? 
—y (& + f sin « -f* A: cos tc a) sin U tc—X) a?
	        
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