类别:数值函数 (三角函数) ATANH¶ 计算其实参的反双曲正切值。 语法¶ CopyExpandATANH( <input_expr> ) Show lessSee moreScroll to top 实参¶ input_exprThe value or expression to operate on. Must be a value between -1.0 and +1.0 (inclusive). The data type must be FLOAT. 返回¶ This function returns a value of type FLOAT. 示例¶ CopyExpandSELECT ATANH(0.9051482536); Show lessSee moreScroll to top Expand+---------------------+ | ATANH(0.9051482536) | |---------------------| | 1.5 | +---------------------+ Show lessSee moreScroll to top