Е(sh)еij֪Rc(sh)
ZД(sh)W(sh)һcҲһؿc(jng)Ǹ߿}еycС.Д(sh)Wij֪RcgӭxHP(gun)֪RՈP(gun)עCNFLAWW(wng)!
һ㔵(sh)еĶx
(sh){an}ĵnanc̖n֮gP(gun)ϵһʽӱʾan=f(n)ô@ʽ@(sh)еͨ헹ʽ
ͨ헹ʽ
(1)(gu)ȱȔ(sh)УdzF(xin)P(gun)ں헺ǰ헵һfʽԘ(gu)ȱȔ(sh)ͨ헹ʽ;
(2)(gu)Ȳ(sh)Уfʽܘ(gu)ȱȔ(sh)Еr(gu)Ȳ(sh);
(3)fƣպ헺ǰ헵Č(yng)Ҏ(gu)ǰƌ(yng)ʽ
֪fƹʽͨ헳Ҋ
֪a1=a,an+1=qan+b,anrôϵ(sh)P(gun)IǴ_ϵ(sh)λʹan+1+λ=q(an+λ)Mõλ
֪a1=a,an=an-1+f(n)(n≥2),anrۼӷan=a1+(a2-a1)+(a3-a2)+…+(an-an-1)ķ
֪a1=a,an=f(n)an-1(n≥2)anr۳˷
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