berν⁡x+ⅈ⁢beiν⁡x=Jν⁡(x⁢ⅇ3⁢π⁢ⅈ/4)=ⅇν⁢π⁢ⅈ⁢Jν⁡(x⁢ⅇ-π⁢ⅈ/4)=ⅇν⁢π⁢ⅈ/2⁢Iν⁡(x⁢ⅇπ⁢ⅈ/4)=ⅇ3⁢ν⁢π⁢ⅈ/2⁢Iν⁡(x⁢ⅇ-3⁢π⁢ⅈ/4),