(一)按無窮來分: (1)無窮級(jí)數(shù)(泛指) (2)有限級(jí)數(shù)(特指)
(二)按通項(xiàng)來分: (1)常數(shù)項(xiàng)級(jí)數(shù) (2)函數(shù)項(xiàng)級(jí)數(shù)
(三)按正項(xiàng)來分: (1)正項(xiàng)級(jí)數(shù) (2)任意項(xiàng)級(jí)數(shù)
(四)按運(yùn)算來分:(常見) (1)冪級(jí)數(shù) (2)三角級(jí)數(shù) (3)分式級(jí)數(shù) (4)洛朗級(jí)數(shù)
(五)按收斂來分: (1)收斂級(jí)數(shù): ①絕對(duì)收斂級(jí)數(shù) ②條件收斂級(jí)數(shù) (2)發(fā)散級(jí)數(shù): ①定發(fā)散級(jí)數(shù) ②不定發(fā)散級(jí)數(shù)
(六)函數(shù)項(xiàng)級(jí)數(shù)一致收斂的基本性質(zhì): (1)項(xiàng)函數(shù)與和函數(shù)在收斂區(qū)間內(nèi)連續(xù)可導(dǎo)可積; (2)和導(dǎo)數(shù)=項(xiàng)導(dǎo)數(shù)之和; (3)和積分=項(xiàng)積分之和。 |
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