Mathematical & Computational Physics
2 terms
Variational Principle
Mathematical & Computational Physics
Stationary Action Principle
A fundamental physical principle asserting that true physical trajectories minimize or render stationary a scalar functional (such as action).
δ S = δ ∫_t₁^t₂ L(q, q̇, t) dt = 0 (Hamilton's Principle)
Vector Calculus
Mathematical & Computational Physics
Differential Operators
A branch of mathematics dealing with multivariable differentiation and integration of vector fields in 3D Euclidean space.
∇f (Grad), ∇ · F (Div), ∇ × F (Curl), ∇²f (Laplacian)