Difference between revisions of "Catalan's constant"

From specialfunctionswiki
Jump to: navigation, search
Line 1: Line 1:
 
The Catalan constant is
 
The Catalan constant is
$$G=\displaystyle\sum_{k=0}^{\infty} \dfrac{(-1)^k}{(2k+1)^2} \approx 0.915 965 594 177 219 015 054 603 514 932 384 110 774 \ldots.$$
+
$$G=\displaystyle\sum_{k=0}^{\infty} \dfrac{(-1)^k}{(2k+1)^2} = 0.915 965 594 177 219 015 054 603 514 932 384 110 774 \ldots.$$
 
This means that Catalan's constant can be expressed as $\beta(2)$ where $\beta$ is the [[Dirichlet beta function]].
 
This means that Catalan's constant can be expressed as $\beta(2)$ where $\beta$ is the [[Dirichlet beta function]].

Revision as of 21:19, 4 October 2014

The Catalan constant is $$G=\displaystyle\sum_{k=0}^{\infty} \dfrac{(-1)^k}{(2k+1)^2} = 0.915 965 594 177 219 015 054 603 514 932 384 110 774 \ldots.$$ This means that Catalan's constant can be expressed as $\beta(2)$ where $\beta$ is the Dirichlet beta function.