LegendreQ

参见

第二类勒让德函数

相关 Wolfram 站点

http://functions.wolfram.com/HypergeometricFunctions/LegendreQGeneral/, http://functions.wolfram.com/HypergeometricFunctions/LegendreQ2General/, http://functions.wolfram.com/HypergeometricFunctions/LegendreQ3General/