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1. Variational principles of classical mechanics: Fundamental tenets of analytical mechanics, mathematically expressed in the form of variational relations, from which the differential equations of motion and all the statements and laws of mechanics logically follow. In variational principles of classical mechanics real motions of a ... (Mathematics) [100%] 2023-09-17
2. Variational principles (in complex function theory): Assertions which reveal the laws governing the variations of mapping functions during certain deformations of planar domains. The principal qualitative variational principle is the Lindelöf principle, which may be described as follows. (Mathematics) [91%] 2023-10-17
3. History of variational principles in physics: A variational principle in physics is an alternative method for determining the state or dynamics of a physical system, by identifying it as an extremum (minimum, maximum or saddle point) of a function or functional. This article describes the historical ... (Physics) [91%] 2022-03-31 [Calculus of variations] [History of physics]...