EllipticTheta

See

Jacobi Theta Functions

Related Wolfram sites

https://functions.wolfram.com/EllipticFunctions/EllipticTheta1/, https://functions.wolfram.com/EllipticFunctions/EllipticThetaPrime1/, https://functions.wolfram.com/EllipticFunctions/EllipticTheta2/, https://functions.wolfram.com/EllipticFunctions/EllipticThetaPrime2/, https://functions.wolfram.com/EllipticFunctions/EllipticTheta3/, https://functions.wolfram.com/EllipticFunctions/EllipticThetaPrime3/, https://functions.wolfram.com/EllipticFunctions/EllipticTheta4/, https://functions.wolfram.com/EllipticFunctions/EllipticThetaPrime4/