描述
BESSELI函数返回修改后的Bessel函数In(x),该函数等效于针对纯虚参判断的Bessel函数。
语法
BESSELI(X, N)
争论
| Argument | 描述 | Required/Optional |
|---|---|---|
| X | The value at which to evaluate the function. | Required |
| N | The order of the Bessel function. If n is not an integer, it is truncated. | Required |
Notes
- If x is nonnumeric, BESSELI returns the #VALUE! Error value.
- If n is nonnumeric, BESSELI returns the #VALUE! Error value.
- If n < 0, BESSELI returns the #NUM! Error value.
- The n-th order modified Bessel function of the variable x is −
$$I_n(x)=(i)^ {-n} J_n(ix)$$
适用性
Excel 2007,Excel 2010,Excel 2013,Excel 2016
Example
参考链接
https://www.learnfk.com/javascript/advanced-excel-engineering-besseli-function.html
标签：BESSELI,function,JavaScript,Excel,无涯,value,returns,Bessel From： https://blog.51cto.com/u_14033984/7394590