Adjoint function algorithms and direct collocation and nonlinear programming methods are applied to resolve the non - coplanar optimal orbit transfers problem
2.
In the two - substance attenuate consistency problem , by means of constituting the compulsive convection function of diffusion process , as well as integrating adjoint function , the adjoint variational principle and its finite element method of two - substance attenuate consistency are deduced , and all kinds of dynamic conditions and their variational expressions are discussed
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