mathworld.wolfram.com
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MathWorld is a comprehensive math encyclopedia by Wolfram that provides concise, formula-rich explanations and visuals for a wide range of topics. It includes detailed articles on Hamiltonian mechanics, the Hamiltonian function, and related mathematical concepts.
More resources on Hamiltonian Mechanics
nLab: Hamiltonian Mechanics
Category-theoretic perspective
Classical Mechanics III
Explore Hamiltonian mechanics with this course from Tobias Osborne. Delve into advanced classical mechanics concepts.
Classical Mechanics: Hamiltonian formalism
Learn Hamiltonian mechanics with Leonard Susskind! Explore this powerful formalism in classical physics.
ocw.mit.edu
MIT OpenCourseWare is a free, open-access repository of MIT course materials across disciplines, including physics. It provides lecture notes, assignments, exams, and video lectures from MIT courses, covering topics such as classical mechanics and Hamiltonian mechanics.
nptel.ac.in
NPTEL is a free online education platform offering IIT/IISc–led video lectures, notes, assignments, and quizzes across engineering and science subjects. It hosts physics courses, including classical mechanics that cover Hamiltonian mechanics, with downloadable materials and certificates.