reference:language:atan
| 两侧同时换到之前的修订记录前一修订版 | |||
| zh:reference:language:atan [2015/10/09 08:37] – nzhu | reference:language:atan [2023/06/07 04:23] (当前版本) – 外部编辑 127.0.0.1 | ||
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| + | ====== atan() ====== | ||
| + | ===== 描述 ===== | ||
| + | 计算x的反正切. x在-1 到 1之间 . 返回 -PI/2到 PI/ | ||
| + | ==== 语法 ==== | ||
| + | |||
| + | atan(x) | ||
| + | === 参数 === | ||
| + | |||
| + | x float: -1到1 | ||
| + | |||
| + | 返回 | ||
