Upon a variational principle

✍ Scribed by LL.G. Chambers

• Publisher: Elsevier Science
• Year: 1993
• Tongue: English
• Weight: 76 KB
• Volume: 6
• Category: Article
• ISSN: 0893-9659
• DOI: 10.1016/0893-9659(93)90141-9

✦ Synopsis

A system under the action of an external influence characterised by some function f acquires an excitation u, u and f being related by Au = f where A is a positive definite symmetrical operator. A new method is discussed for obtaining a lower bound for the "energy" of the system, (f, u).