# Jacobi elliptic function dn(u,k) Calculator

## Calculates the Jacobi elliptic function dn(u,k).

 u k -1≦k≦1 6digit10digit14digit18digit22digit26digit30digit34digit38digit42digit46digit50digit
 $\normal Jacobi\ elliptic\ function\ dn(u,k)\\[10](1)\ dn(u,k)=\sqrt{1-k^2sin^2(am(u,k))}\\[10](2)\ am(u,k)=\phi=F^{-1}(u,k)\\\hspace{25}u=F(\phi,k)={\large\int_{\small 0}^{\hspace{25pt}\phi}\frac{d\theta}{\sqrt{1-k^2sin^2\theta}}}\\(3)\ k^2sn^2(u,k)+dn^2(u,k)=1\\$

Jacobi elliptic function dn(u,k)
 [1-1] /1 Disp-Num5103050100200
[1]  2016/11/22 19:21   Male / 20 years old level / High-school/ University/ Grad student / Very /
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Comment/Request
Request: Please add some functions related to arc Jacobi elliptical function, such as acrsn(ξ,k), arccn(ξ,k), and arcdn(ξ,k).
from Keisan
We have added the inverse Jacobi elliptic functions such as arcsn(x,k), arccn(x,k) and arcdn(x,k).

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