diagonal_autocov_approx_0: Compute the diagonal covariance
Description
`diagonal_autocov_approx_0` Computes the diagonal covariance of the given functional data.
Usage
diagonal_autocov_approx_0(f_data)
Value
A numeric value; integral approximation of the diagonal covariance of the functional data.
Arguments
- f_data
the functional data matrix with observed functions in the columns