Physical Principle

adjoint variational principle

auxiliary variational principle

auxiliary variational principle technique

complementary variational principle

constrained variational Principle

coupled variational principle

differential and variational principle

differential variational principle

discrete variational principle

dual variational principle

Ekaland’s variational principle

Ekeland variational principle

Ekeland’s variational principle

Ekland variational principle

energy variational principle

energy-variational principle

enery variational principle

Gauss’s variational principle