第三章3-2n阶方阵的行列式(续) 3.2.5行列式的按任意列展开和特殊矩阵的行列式 1、行列式的按任意行(列)展开 定义命A=(-1)M,称为a的代数余子式 = 命题按行列式的第i行展开,有 证明将第i行先后与第i-1,i-2,…,1行交换,再展开。 推论行列式按第j行展开,有a=a 2、范德蒙行列式 形如 111 |= a1a2…an an 的行列式称为范德蒙行列式

1. Calculate the force at the base of a continental block that has a uniform thickness of 25km, length of1000km, width of500km, and density of2.70. What is the stress on the bottom of the block?

Three Alternative Strategies · Take position in: -the option and the underlying -2 or more options of the same type This is known as spread -a mixture of calls and puts This is known as a combination

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Section A A Busy Weekday Morning Section B Parent Talk Section C Teeange Talk

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复旦大学：《药物设计学》课程教学资源（教学研究）基于靶点结构的药物设计_Discovery of a Novel 5-HT2A Inhibitor by Pharmacophore-based Virtual Screening

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Background information 1 Structure 2 Language points 3 After-class- activities