StruveL[n, z] gives the modified Struve function .
Mathematical function (see Section A.3.10).
for integer is related to the ordinary Struve function by .
StruveL[n, z] has a branch cut discontinuity in the complex z plane running from to .
See The Mathematica Book: Section 3.2.10.
See also: StruveH, BesselJ.