Formula:8948

Digital Library of Mathematical Functions ID 28.6.E21

Failed to parse (Conversion error. Server ("https://wikimedia.org/api/rest_") reported: "TeX input is invalid."): {\displaystyle 2^{\ifrac{1}{2}}\Mathieuce{0}@{z}{q}=1-\tfrac{1}{2}q\cos@@{2z}+\tfrac{1}{32}q^{2}\left(\cos@@{4z}-2\right)-\tfrac{1}{128}q^{3}\left(\tfrac{1}{9}\cos@@{6z}-11\cos@@{2z}\right)+\cdots,}

Symbols List

• ${\displaystyle{\displaystyle\mathrm{ce}_{\NVar{n}}\left(\NVar{z},\NVar{q}\right)}}$:
• ${\displaystyle{\displaystyle\cos\NVar{z}}}$: cosine function
• ${\displaystyle{\displaystyle q=h^{2}}}$: parameter
• ${\displaystyle{\displaystyle z}}$: complex variable
 

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