| 从正弦函数的面积定义到矩阵体积 |
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| 引用本文： | 谭毓澄. 从正弦函数的面积定义到矩阵体积[J]. 高等数学研究, 2020, 0(3): 67-69 |
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| 作者姓名： | 谭毓澄 |
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| 作者单位： | 九江学院理学院 |
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| 基金项目： | 国家自然科学基金(61763019)。 |
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| 摘 要： | 从正弦函数的面积定义出发,结合平行四边形面积的坐标求法以及重要的三角恒等式,进而推演出矩阵体积的概念.并指出矩阵体积在积分变换与向量组相似性方面的应用.
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| 关 键 词： | 正弦函数 矩阵体积 积分变换 向量组相似度 |
From Area Definition of Sinusoidal Function to Matrix Volume |
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| TAN Yucheng. From Area Definition of Sinusoidal Function to Matrix Volume[J]. Studies In College Mathematics, 2020, 0(3): 67-69 |
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| Authors: | TAN Yucheng |
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| Affiliation: | (School of Science, Jiujiang University, Jiujiang 332005, PRC) |
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| Abstract: | Starting from the area definition of the sinusoidal function,the concept of matrix volume is deduced by combining the coordinate method of parallelogram area and triangular identities.The application of matrix volume in the integral transformation and in the similarity of vector groups is also presented. |
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| Keywords: | sinusoidal function matrix volume integral transformation similarity of vector groups |
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