In mathematics, a divergent series is an infinite series that is not convergent, meaning that the infinite sequence of the partial sums of the series does not have a limit.
例句与用法
1.
Definition the infinite series converges and has sum if the sequence of partial sums converges to , that is . if diverges , then the series diverges . a divergent series has no sum 定义如果级数的部分和数列有极限，即，则称无穷级数收敛，这时极限叫做这级数的和，并写成；如果没有极限，则称无穷级数发散。
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