cos

cosine function

Calling Sequence

[y]=cos(x)

Arguments

:x real or complex vector/matrix :

Description

For a vector or a matrix, cos(x) is the cosine of its elements . For matrix cosine use cosm(X) function.

Sample

Examples

x=[0,1,%i]
`acos`_(cos(x))

See Also

• cosm matrix cosine function
• acos element wise cosine inverse (radians)