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Aide de Scilab >> Fonctions Elémentaires > Trigonométrie > acscd


computes the element-wise inverse cosecant of the argument, results in degree.

Calling Sequence

y = acscd(x)



a real array.


a real or complex array.


Computes the element-wise inverse cosecant of the argument an return the results in degree. For real argument with absolute value greater than 1 the result is real.



x=[-x($:-1:1) %nan x];

See Also

  • cscd — cosécante des éléments de l'argument donnés en degrés
  • acsc — computes the element-wise inverse cosecant of the argument.


  • Kahan, W., "Branch cuts for complex elementary functions, or, Much ado about nothing's sign bit", Proceedings of the joing IMA/SIAM conference on The State of the Art in Numerical Analysis, University of Birmingham, A. Iserles and M.J.D. Powell, eds, Clarendon Press, Oxford, 1987, 165-210.
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Last updated:
Fri Apr 11 14:14:52 CEST 2014