Performs a rotation in the plane

Source: R/rotation.R

Performs a rotation in the plane

rotate2(x, theta = pi)

Arguments

x

Matrix to be rotated (2 times n)

theta

Rotation in radians

Value

Returns a matrix of the same dimension as x

Author

Klaus K. Holst

Examples

rotate2(cbind(c(1,2),c(2,1)))
#>      [,1] [,2]
#> [1,]   -1   -2
#> [2,]   -2   -1