Function log_psi 

pub fn log_psi(
    equation: &impl Equation,
    subjects: &Data,
    support_points: &ArrayBase<OwnedRepr<f64>, Dim<[usize; 2]>>,
    error_models: &AssayErrorModels,
    progress: bool,
) -> Result<ArrayBase<OwnedRepr<f64>, Dim<[usize; 2]>>, PharmsolError>

👎Deprecated since 0.23.0: Use log_likelihood_matrix() with LikelihoodMatrixOptions instead

Calculate the log-likelihood matrix (deprecated signature with boolean flags).

Deprecated: Use log_likelihood_matrix with [LikelihoodMatrixOptions] instead.

This function is provided for backward compatibility with the old log_psi API.