Calculus of variationsconceptRelated → Euler–Lagrange equationsRelated → Special functionsRelated → Fourier seriesRelated → TensorsLeads to → Euler–Lagrange equations
Fourier seriesconceptRelated → Fourier transformRelated → Distributions as generalized functionsRelated → Definite integralsRelated → Calculus of variationsLeads to → Sturm–Liouville problems
TensorsconceptRelated → Noether's theoremRelated → Dimensional similarityRelated → Calculus of variationsRelated → Definite integrals
Euler–Lagrange equationsconceptRelated → Calculus of variationsRelated → Sturm–Liouville problemsRequires → Calculus of variations
Fourier transformconceptRelated → Fourier seriesRelated → Green's functionsRequires → Definite integrals
Sturm–Liouville problemsconceptRelated → Euler–Lagrange equationsRelated → Special functionsRequires → Fourier series