“RemoveUndefined 指令”的版本间的差异
来自GeoGebra Manual
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;RemoveUndefined[ <List> ] | ;RemoveUndefined[ <List> ] | ||
:{{translate|RemoveUndefined Command}} | :{{translate|RemoveUndefined Command}} | ||
+ | ; RemoveUndefined[List]: Removes undefined objects from a list. | ||
+ | : {{Example| 1=<code>RemoveUndefined[Sequence[(-1)^i, i, -3, -1, 0.5]]</code> removes the second and fourth elements of the sequence since expressions <math>(-1)^{1.5}</math> and <math>(-1)^{2.5}</math> are undefined.}} |
2011年10月20日 (四) 03:27的最新版本
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- RemoveUndefined[ <List> ]
- RemoveUndefined[List]
- Removes undefined objects from a list.
- 範例:
RemoveUndefined[Sequence[(-1)^i, i, -3, -1, 0.5]]
removes the second and fourth elements of the sequence since expressions (-1)^{1.5} and (-1)^{2.5} are undefined.