DIGN
发表于 2025-3-21 19:20:55
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半导体
发表于 2025-3-21 23:12:21
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archetype
发表于 2025-3-22 03:33:54
0743-1643Differential Systems EULER-LAGRANGE EQUATIONS FOR DIFFERENTIAL SYSTEMS ~liTH ONE I. 32 INDEPENDENT VARIABLE a) Setting up the Problem; Classical Examples b) Variational Equations for Integral Manifolds of Differential Systems c) Differential Systems in Good Form; the Derived Flag, Cauchy Characteri
Perceive
发表于 2025-3-22 05:32:01
Book 1983ial Systems EULER-LAGRANGE EQUATIONS FOR DIFFERENTIAL SYSTEMS ~liTH ONE I. 32 INDEPENDENT VARIABLE a) Setting up the Problem; Classical Examples b) Variational Equations for Integral Manifolds of Differential Systems c) Differential Systems in Good Form; the Derived Flag, Cauchy Characteristics, and
BUCK
发表于 2025-3-22 11:26:11
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synovial-joint
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冬眠
发表于 2025-3-22 23:01:40
India and the Quest for One WorldIt is well-known that a general curve γ⊂IE. has a Frenet frame.
Conclave
发表于 2025-3-23 04:19:31
Plans for Organizational Re-engineering,We consider a variational problem (I, ω; φ) with one independent variable on a manifold X.
衣服
发表于 2025-3-23 09:02:44
Euler-Lagrange Equations for Differential Systems with One Independent Variable,On a manifold X we consider a Pfaffian differential system (I,ω) whose independence condition is a 1-form ω.