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P方阵在教学中的应用 被引量:1
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作者 吴加亮 《生物学通报》 2013年第11期43-47,共5页
P方阵是一种数学模型,在生物学教学中利用P方阵可以直观形象地推测出杂交后代的基因型及比例,帮助学生理解掌握遗传规律,同时也是一种解决遗传难题的良法。
关键词 p方阵 配子 随机交配
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{P,Q,k+1}-reflexive solutions to a system of matrix equations 被引量:1
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作者 LI Jie WANG Qingwen 《应用数学与计算数学学报》 2018年第3期619-630,共12页
In this paper,we investigate the{P,Q,k+1}-reflexive and anti-reflexive solutions to the system of matrix equations AX=C,XB=D and AXB=E.We present the necessary and sufficient conditions for the system men-tioned above... In this paper,we investigate the{P,Q,k+1}-reflexive and anti-reflexive solutions to the system of matrix equations AX=C,XB=D and AXB=E.We present the necessary and sufficient conditions for the system men-tioned above to have the{P,Q,k+1}-reflexive and anti-reflexive solutions.We also obtain the expressions of such solutions to the system by the singular value decomposition.Moreover,we consider the least squares{P,Q,k+1}-reflexive and anti-reflexive solutions to the system.Finally,we give an algorithm to illustrate the results of this paper. 展开更多
关键词 matrix equation least squares solution {p Q k%pLUS%1}-reflexive and anti-reflexive solution singular value decomposition
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