parameters: (self, chi_squared: list)
docstring: Sets the previous simultaneous chi squared that can be used when undoing.
docstring_summary: Sets the previous simultaneous chi squared that can be used when undoing.
docstring_tokens: Sets the previous simultaneous chi squared that can be used when undoing .
function: def simultaneous_chi_squared_for_undo(self, chi_squared: list) -> None:
          """Sets the previous simultaneous chi squared that can be used when undoing."""
          self._simultaneous_chi_squared_for_undo = chi_squared
function_tokens: def simultaneous_chi_squared_for_undo ( self , chi_squared : list ) -> None : self . _simultaneous_chi_squared_for_undo = chi_squared