Parity of EllipticTheta
- To: mathgroup at smc.vnet.net
- Subject: [mg130752] Parity of EllipticTheta
- From: Christian <christian.hagendorf at gmail.com>
- Date: Thu, 9 May 2013 02:45:06 -0400 (EDT)
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Hi, I use quite often the functions EllipticTheta[n,x,q] in Mathematica. Unlike for trigonometric functions Mathematica does not simplify expressions of the type EllipticTheta[1,-x,q] to -EllipticTheta[1,x,q] automatically (it does it for Sin[-x]). How do I add such a feature to a built-in function? Thank you in advance, Ch.
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