定义1设V是数域P上的一个线性空间,f是V到P的一个映射,如果f 满足 1)f(a+)=f(a)+f() 2) f(ka)=(a), 式中a,B是V中任意元素,k是P中任意数,则称f为V上的一个线性函数 从定义可推出线性函数的以下简单性质:

外研版（三起）（2012）小学英语五年级下册Module 1 Unit 2 She didn't have a television.Module 1 Unit 2 She didn't have a television.课件(7)

外研版（三起）（2012）小学英语五年级下册Module 1 Unit 2 She didn't have a television.Module 1 Unit 2 She didn't have a television.课件(6)

1、设向量组α1,a,a线性相关, 而向量组1,3,a4线性无关, 134 则向量组1,2,2的最大线性无关组 1,a3

一、填空 1.五阶行列式中某项a1a2an1a,a3取正号,则s=_t 2.若 kx+y=0

Worksheet 1 Name Find out the words/expressions from the two conversations to fill in the following blanks. People who work in a company: business that has a manager and other people working there: A university or a government usually has several branches that are called

5.1铁、碳及其合金相(1) 一、纯铁具有同素异构转变 a-feey-e-Fe液相L 二、碳在铁中的固溶体 ·碳在a-Fe中形成的固溶体称为铁素体, 以a或F表示,晶格为b.cc. ·碳在y-Fe中形成的固溶体称为奥氏体, 以y或A表示,晶格为f.cc. ·碳在δ-Fe中形成的固溶体也称为铁素体( δ铁素体或高温铁素体),以δ表示,晶格为b.c.c

外研版（三起）（2012）小学英语五年级下册Module 1 Unit 2 She didn't have a television.Module 1 Unit 2 She didn't have a television.课件(4)

外研版（三起）（2012）小学英语五年级下册Module 1 Unit 2 She didn't have a television.Module 1 Unit 2 She didn't have a television.课件(2)