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'kSf{kd ekiu rFkk ewY;kadu

uksV 3- bl fofèk esa le; vkSj 'kfDr vfèkd viO;; gksrk gS vkSj fo'oluh;rk xq.kd 'kq¼ ugha gksrk gSA ijh{k.k
dh okLrfod fo'oluh;rk lnSo de gksrh gSA
4- iquiZjh{k.k osQ le; U;kn'kZ osQ lHkh ijh{kkFkhZ dk miyCèk gksuk Hkh lEHko ugha gks ikrk gS ;g Hkh ns[kk
x;k gS fd iquiZjh{k.k esa vH;FkhZ brus xEHkhj ugha jgrs] ftlls muosQ izkIrkadksa esa vfèkd vUrj gks tkrk gSA
LFkkf;Ro xq.kd dk vFkkZiu (Interpretation of Coefficient of Stability)—bl fofèk }kjk tks fo'oluh;rk
xq.kd izkIr gksrk gS mldk vFkkZiu vèkksfyf[kr :i esa dj ldrs gSaμ
ijh{kkFkhZ izFke ckj f}rh; ckj
1. X 11 X 21
2. X X
12 22
3. X 13 X 23
4. X 14 X 24

M M M
N N 1N X 2N
mldh X = T + E x = t = e fopyu
1 1 1 1
X = T + E 2 x = t = e 2 fopyu
2
2
lglEcUèk Kkr djus gsrq ih;jlu lg&lEcUèk fofèk dk iz;ksx djrs gSa ftldk ewy lw=k gSμ
Σ xx
12
r xx = N σσ 2 x ∴ x = t + e 1
1
12
1 x
x = t + e 2
2
Σ (t + e )(t + e )
= 1 2
N σσ 2 x
1 x
tcfd Σe = 0, Σe = 0 tc cM+s U;kn'kZ djrs gS
2
1
Σ t Σ t
= 2 = 2
N σσ 2 x N σ 2
1 x
(TΣ− M) 2
tcfd σ =
x
N
σ 2 okLrfod vdapfjrk
r = 1 =
xx
σ 2 x izkIrkad vdapfjrk
bl fofèk }kjk fo'oluh;rk xq.kd okLrfod vad pfjrk dk va'k gksrk gSA ;g fo'oluh;rk xq.kd dk lS¼kfUrd
vkèkkj gSA LFkkf;Ro xq.kd dk vFkkZiu ØkucSd us ,d vkÑfr dh lgk;rk ls fd;k gS ftlesa nks izdkj osQ
xq.kksa dks lfEefyr fd;k gSμlkekU; vkSj fof'k"VA ;g LFkk;h vkSj nks izdkj osQ xq.k gksrs gSa ftUgsa fuEukafdr
vkÑfr esa iznf'kZr fd;k gSA LFkkf;Ro xq.kd ijh{k.k dh LFkk;h fo'ks"krkvksa osQ dkj.k gksrh gSa] tks ijh{kkFkhZ osQ
lkekU; vkSj fof'k"V nksuksa xq.kksa dks lfEefyr djrh gSA iquiZjh{k.k esa ijh{kk izFke ckj iUnzg tuojh dks vkSj
nwljh ckj iUnzg ebZ dks nh x;h gSA bu nksuksa izkIrkadksa esa lg&lEcUèk ijh{k.k osQ LFkk;h fo'ks"krk ij fuHkZj gksrk
gS ftlesa okLrfod vad osQ lkekU; vkSj fof'k"V nksuksa dkjd lfEefyr gksrs gSaA

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