(a) a point at which a curved surface is locally level but at which its curvature in two directions differs in sign, i.e. for a surface defined by…
单词 | θ114872 |
释义 | the world > relative properties > number > mathematics > [noun] > mathematical enquiry > result of > in specific case (2) saddle point1907 (a) a point at which a curved surface is locally level but at which its curvature in two directions differs in sign, i.e. for a surface defined by… Poincaré cycle1943 a single circuit of a simple closed curve in the phase space of a system, representing one possible solution of the governing differential equations. |
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