Skip to contents

Inertia tensor

Usage

# S3 method for class 'spherical'
inertia_tensor(x, w = NULL)

inertia_tensor(x, w = NULL)

Arguments

x

object of class "Vec3", "Line", "Ray", "Plane", "Pair", or "Fault", where the rows are the observations and the columns are the coordinates.

w

numeric. weightings

Value

3 x 3 matrix

Details

$$D = n - (x_i, y_i, z_i) (x_i, y_i, z_i)^T$$

See also

Examples

set.seed(20250411)
x <- rfb(100, mu = Line(120, 50), k = 1, A = diag(c(10, 0, 0)))
inertia_tensor(x)
#>           [,1]      [,2]     [,3]
#> [1,]  91.23381 110.04273 105.5361
#> [2,] 110.04273  62.01909 101.5295
#> [3,] 105.53613 101.52945  46.7471