RiemannSiegelTheta[t] gives the Riemann-Siegel function .
Mathematical function (see Section A.3.10).
for real .
arises in the study of the Riemann zeta function on the critical line. It is closely related to the number of zeros of for .
is an analytic function of except for branch cuts on the imaginary axis running from to .
See Section 3.2.10.
See also: RiemannSiegelZ, Zeta.
New in Version 2.