int_prod_mat_sq {adamethods}

Squared interior product between matrices

Description

Helper function to compute the robust Frobenius norm.

Usage

int_prod_mat_sq(m)

Arguments

m

Data matrix.

Value

Data matrix.

Author(s)

Irene Epifanio

References

Moliner, J. and Epifanio, I., Robust multivariate and functional archetypal analysis with application to financial time series analysis, 2019. Physica A: Statistical Mechanics and its Applications 519, 195-208. https://doi.org/10.1016/j.physa.2018.12.036

Examples

mat <- matrix(1:4, nrow = 2)
int_prod_mat_sq(mat)