Chapter 20 of 62 · 50 words · ~1 min read

CHAPTER XX.

METHOD OF VARIATIONS.

1. Method of Variations 439

2. The Variable and the Variant 440

3. Measurement of the Variable 441

4. Maintenance of Similar Conditions 443

5. Collective Experiments 445

6. Periodic Variations 447

7. Combined Periodic Changes 450

8. Principle of Forced Vibrations 451

9. Integrated Variations 452