An analysis of the control quality characteristic oscillations caused by the varying of the parameters makes it possible to figure out if the parameters have optimum values, i . e . . if those values deliver extreme ( minimum or maximum ) values of the control quality characteristic.
32.
When a piano is only slightly out of tune, it loses the glowing tonal quality characteristic of a freshly tuned piano, especially because each note in the middle and upper range is sounded by more than one string, and these may get slightly out of tune with each other.
33.
Within the text of Politikos, the Stranger ( the main speaker in the dialog ) indicates that the best political leaders are those that have this certain " knowledge " indicative of a competency to rule . " Gnosis " therefore was a quality characteristic of the ideal attendee of the Platonic Academy, since high aptitude would be a necessary qualification to understand and grasp its teachings.
