iemisc (version 0.9.9)

cotd: Cotangent (in degrees) [GNU Octave/MATLAB compatible]

Description

Calculates the value of inverse secant for each element of x in degrees in a manner compatible with GNU Octave/MATLAB.

Usage

cotd(x)

Value

The inverse secant of each element of x in degrees.

Arguments

x

A numeric vector containing values in degrees

Author

David Bateman (GNU Octave cotd), Irucka Embry

References

John W. Eaton, David Bateman, and Søren Hauberg (2009). GNU Octave version 3.0.1 manual: a high-level interactive language for numerical computations. CreateSpace Independent Publishing Platform. ISBN 1441413006, URL http://www.gnu.org/software/octave/doc/interpreter/. Page 358.

Examples

library("iemisc")

# Examples from GNU Octave cotd
cotd (seq(0, 80, by = 10))

cotd (c(0, 180, 360))

cotd (c(90, 270))