| 极坐标系中几何问题的无图形处理 |
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| 引用本文： | 于非非. 极坐标系中几何问题的无图形处理[J]. 天津科技大学学报, 2003, 0(Z1) |
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| 作者姓名： | 于非非 |
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| 作者单位： | 天津科技大学理学院 天津 |
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| 摘 要： | 极坐标系的分析方法在解决许多几何问题时有很好的效果,以计算平面图形的面积为例,讨论了极坐标系中如何在没有图形的情况下分析其几何性质。
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| 关 键 词： | 极坐标 面积 分布范围 对称性 封闭性 |
HOW TO DEAL WITH THE GEOMETRY PROBLEM WITHOUT GRAPH IN POLAR COORDINATES SYSTEM |
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| YU Fei-fei College of science,Tianjin University of Science and Technology,Tianjin ,China. HOW TO DEAL WITH THE GEOMETRY PROBLEM WITHOUT GRAPH IN POLAR COORDINATES SYSTEM[J]. Journal of Tianjin University of Science & Technology, 2003, 0(Z1) |
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| Authors: | YU Fei-fei College of science Tianjin University of Science Technology Tianjin China |
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| Affiliation: | YU Fei-fei College of science,Tianjin University of Science and Technology,Tianjin 300222,China |
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| Abstract: | We all know that analytical methods in polar coordinate are widely applied in resolvinggeometry problems. In this paper, the methods on how to analysis the property of geometry curvewhen we need not draw the graph were discussed in polar coordinate, for this, the examples of calcu-lating the area in polar coordinate were quoted. |
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| Keywords: | polar coordinate area distributed scope symmetry close |
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