CHART 发表于 2025-3-23 11:09:52
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Subjective and objective equilibria,n is linear, the third equation quasilinear, and the last equation nonlinear. In general, equations of the form.are first-order PDEs. This chapter deals with techniques to construct general solutions of (2.2) when they are constant coefficient, linear, quasilinear, and fully nonlinear equations.愤怒事实 发表于 2025-3-24 06:09:36
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