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==== 数学基础—隐函数,距离函数 ==== | ==== 数学基础—隐函数,距离函数 ==== | ||
=== 隐函数 === | === 隐函数 === | ||
- | 隐函数(implicit function):自变量和因变量之间的法则是由一个方程式所确定 | + | 隐函数(implicit function):自变量和因变量之间的法则是由一个方程式所确定 |
F(x,y)=0 | F(x,y)=0 | ||
y=y(x) | y=y(x) | ||
- | 例子: | + | 例子: x<sup>2</sup>+y<sup>2</sup>-1=0 |
- | {{:keynote:7-3-1.jpg|}} | + | |
=== 距离场函数 === | === 距离场函数 === | ||
- | 距离函数定义 | + | 距离函数定义:\\ |
{{:keynote:k1.jpg|}} | {{:keynote:k1.jpg|}} | ||