| 如何引导经管类学生学习Cramer法则 |
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| 引用本文： | 关力,曾金平.如何引导经管类学生学习Cramer法则[J].东莞理工学院学报,2009,16(1):109-111. |
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| 作者姓名： | 关力 曾金平 |
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| 作者单位： | 东莞理工学院,计算机学院,广东东莞,523808 |
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| 摘 要： | 给出了Cramer法则的一个直接基于行列式按列进行Laplaco展开的证明．这个证明直观易懂，适应于先修“高等数学（经管类）”的经管类等本科专业学生的教学．
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| 关 键 词： | cramer法则 线性代数方程组 Laplace展开 |
How to Learn Cramer's Rule for the Students in Economics |
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| GUAN Li,ZENG Jin-ping.How to Learn Cramer's Rule for the Students in Economics[J].Journal of Dongguan Institute of Technology,2009,16(1):109-111. |
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| Authors: | GUAN Li ZENG Jin-ping |
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| Institution: | College of Computer;Dongguan University of Technology;Donggnan 523808;China |
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| Abstract: | In this paper,Cramer' s rule,a basic theorem in linear algebra,is proved by the use of Laplace expansion along a fixed column.The proof is simple and can be understood easily.As a results,it is suitable in the teaching of"Linear Algebra"class for the undergraduate students who have a knowledge of"Advanced Mathematics in Economics". |
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| Keywords: | Cramer's rule system of linear algebraic equations Laplace expansion |
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