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重点难点:
1.重点:多元函数极限、连续性的概念、极限计算、连续性讨论;
2.难点: 同上
教具准备:多媒体课件
外语词汇: double limit; continuity of function of several variables; continuous function; discontinuity point; uniformly continuious;
Definition 3 Let D be the domain of the function of two variables, be a point of accumulation of D and . If then we say that is continuous at the point .
复习思考题、课堂测试题、课外作业:
习题 9 --1:6;7;8;9;10.
§2 偏导数
一、偏导数的定义与计算法
1.定义
2.说明几点
3.举例计算
例1、例2、例3、例4、例5
4.几何意义
二、高阶偏导数
例6、例7、例8
总结与布置作业
重点难点:
1.重点:偏导数、高阶偏导数的概念及计算法;全微分及其在近似计算中的应用
2.难点:偏导数概念.
教具准备:多媒体课件
外语词汇: Definition Suppose that is a funtion of two variables and .If is held constant, say ,then is a function of the single variable ,Its derivative at is called the partial derivative of with respect to at and is denoted by .Thus
复习思考题、课堂测试题、课外作业:
习题 9 --2:1(1);(3);(5);(7);
3;4;5;6;7;8;9.
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