序列作图

如果你想直观观察一个序列或级数的收敛情况, 这是一个理想的工具. 只要输入通项以及起始点, 就能作出后继项的图形 (直至 1000 项). 图像能给出你的序列或级数的发展趋势.

本工具只画数值序列或级数的图形. 对于函数序列或级数请使用工具 函数序列动画.

如果你还没有要作图的序列或级数, 可先看看 例.

输入你的 的通项
un = 帮助

 从第  n = 项起画   项, 尺度为  .

大小   取 , 边框.

如果你提交了递推序列, 请给出一些起始项 (足够多项, 用逗号分隔): ( 解释 )

例. The most recent version
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