Scilab Website | Contribute with GitLab | Mailing list archives | ATOMS toolboxes
Scilab Online Help
5.5.0 - English

Change language to:
Français - 日本語 - Português - Русский

Please note that the recommended version of Scilab is 2025.0.0. This page might be outdated.
See the recommended documentation of this function

Scilab Help >> Elementary Functions > Trigonometry > secd

secd

computes the element-wise secant of the argument given in degree

Calling Sequence

y = secd(x)

Arguments

x

a real array.

y

a real array.

Description

The entries of y are the secant of the entries of x given in degree. The results are real and in . For entries equal to n*180 with n integer, the result is exactly -1 or +1. For entries equal to n*90with n integer and odd the result is infinite (or an error depending on ieee mode).

Examples

secd(90)
sec(%pi/2)

See Also

  • cosd — element-wise cosine function, argument in degree
  • sec — computes the element-wise secant of the argument
Report an issue
<< sec Trigonometry sech >>

Copyright (c) 2022-2024 (Dassault Systèmes)
Copyright (c) 2017-2022 (ESI Group)
Copyright (c) 2011-2017 (Scilab Enterprises)
Copyright (c) 1989-2012 (INRIA)
Copyright (c) 1989-2007 (ENPC)
with contributors
Last updated:
Fri Apr 11 14:06:50 CEST 2014