Scilab Website | Contribute with GitLab | Mailing list archives | ATOMS toolboxes
Scilab Online Help
2025.0.0 - English


cosm

matrix cosine function

Syntax

t = cosm(x)

Arguments

x

a real or complex square matrix.

Description

cosm(x) is the matrix cosine of the x matrix. t=0.5*(expm(%i*x)+expm(-%i*x)).

Examples

A=[1,2;3,4]
cosm(A)-0.5*(expm(%i*A)+expm(-%i*A))

See also

  • cos — cosine function
  • expm — square matrix exponential
Report an issue
<< coshm Matrix-wise processing cothm >>
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:
Thu Oct 24 11:13:08 CEST 2024