DocumentationMathematicaBuilt-in FunctionsMathematical FunctionsMathieu Functions
MathieuCharacteristicA
MathieuCharacteristicA[r, q] gives the characteristic value for even Mathieu functions with characteristic exponent r and parameter q.
Mathematical function (see Section A.3.10). The characteristic value gives the value of the parameter in for which the solution has the form where is an even function of with period . See Section 3.2.12. See also: MathieuCharacteristicB. New in Version 3.
Further Examples
MathieuCharacteristicA[r, q] gives the characteristic value 
for even Mathieu functions with characteristic exponent r and parameter q. 
gives the value of the parameter 
in 
for which the solution has the form 
where 
is an even function of 
with period 
. 
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