parameters: (self)
docstring: Updates the covariance matrix button to be enabled if a covariance matrix exists for the selected data.
docstring_summary: Updates the covariance matrix button to be enabled if a covariance matrix exists for the selected data.
docstring_tokens: Updates the covariance matrix button to be enabled if a covariance matrix exists for the selected data .
function: def update_covariance_matrix_button(self) -> None:
          """Updates the covariance matrix button to be enabled if a covariance matrix exists for the selected data."""
          self.view.set_covariance_button_enabled(self.model.has_normalised_covariance_matrix())
function_tokens: def update_covariance_matrix_button ( self ) -> None : self . view . set_covariance_button_enabled ( self . model . has_normalised_covariance_matrix ( ) )