Flippant
发表于 2025-3-21 20:06:11
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BUCK
发表于 2025-3-21 22:56:56
Frequency fitting in the numerical solution of ordinary differential equations,ions in such a way that the method gives the exact solution when applied to the scalar test equation y′=λy, λ real. This paper considers the extension of this idea to the case of the test equation y′=Ay, y . IR., A a real 2×2 matrix with eigenvalues λ ± iμ, λ,μ real, with particular reference to the
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发表于 2025-3-22 02:09:53
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Mettle
发表于 2025-3-22 06:58:18
An application of the differential equations of the sound ray,g along the surface of the ground are considered. The evaluation of sound rays which are raised temporarily to higher layers of the atmosphere is rather complicated. The following exposition describes the difficulties and the attempts to deal with them.
certain
发表于 2025-3-22 11:24:59
On the uniqueness and stability of weak solutions of a fokker-planck-vlasov equation,e uniqueness of weak solutions and establish a criterion of (asymptotic) stability against local disturbations.-As a consequence, in the case of uniqueness the Galerkin method used in is a constructive one, i.e. the whole sequence of all Galerkin-approximations converges.
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发表于 2025-3-22 13:08:34
ibes the idea of growing food without using any additional land or acreage. It encompasses open-air rooftop farms, rooftop greenhouses, productive facades, and indoor farming on and in existing or newly built urban structures. Using the urban building stock instead of farmland or vacant parcels invo
Foolproof
发表于 2025-3-22 19:30:32
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宽大
发表于 2025-3-22 22:55:33
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Throttle
发表于 2025-3-23 04:21:55
W. Elben,W. Wolffby philosophers, scientists, and governing bodies alike. And, where vocal reassurance has failed to convince, modem technology has more than compensated. It has, in effect, been a century in at last to be making significant headway toward objective which humankind seemed and enduring truth. Yet, as
A保存的
发表于 2025-3-23 08:56:41
H. Koßmannapparent. Many of the concerns voiced within these pages are echoed throughout the socio-behavioral sciences.. In many instances these concerns have been stimulated by significant developments within various sectors of philosophy. In effect, the present arguments are nurtured by a context of general