gives the Jacobi elliptic function .


  • Mathematical function, suitable for both symbolic and numerical manipulation.
  • , where .
  • is a doubly periodic function in u with periods and , where is the elliptic integral EllipticK.
  • JacobiCN is a meromorphic function in both arguments.
  • For certain special arguments, JacobiCN automatically evaluates to exact values.
  • JacobiCN can be evaluated to arbitrary numerical precision.
  • JacobiCN automatically threads over lists.
Introduced in 1988
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