暗指
发表于 2025-4-1 02:55:00
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MIRE
发表于 2025-4-1 08:17:25
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HEW
发表于 2025-4-1 13:54:00
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流浪
发表于 2025-4-1 14:53:18
Jin Xie,Jian-qi Zhang,Zhao-hui Liue rectilinear motion of a particle of unit mass under the action of an input force can be described by the differential equation .= ., where . represents the rectilinear position and . the input force. This second-order differential equation can be rewritten as a set of two first-order differential
声音刺耳
发表于 2025-4-1 21:02:24
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笨拙的你
发表于 2025-4-1 22:46:02
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micturition
发表于 2025-4-2 05:29:47
Rippudaman Singh,Abhinandan Kapoor,Gaurav Sharma,Abhishek Kumar,A. Shankara,K. A. Keshava Murthyre studied in this book (of course, in addition to their extremal nature) are united by our main interest being in the study of the so called abnormal or degenerate problems. This is the main distinction of the present book from a large number of books devoted to theory of extremal problems, among which there978-90-481-5596-5978-94-015-9438-7