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单词 Smooth map
释义

Smooth map

原声例句
3.哈利波特与阿兹卡班囚徒

" Let me see, let me see...." he muttered, taking out his wand and smoothing the map out on his desk.

“让我看看,让我看看..”他嘟囔道,拿出魔杖,在桌子上铺平地图。

朗文OCLM-01单词

They smoothed out the map on the table.

【smooth】他们在桌上摊平地图。

中文百科

光滑函数 Smoothness

(重定向自Smooth map)

光滑函数smooth function)在数学中特指无穷可导的函数,也就是说,存在所有有限阶导数。若一函数是连续的,则称其为C^0函数;若函数存在导函数,且其导函数连续,则称为连续可导,记为C^1函数;若一函数n阶可导,并且其n阶导函数连续,则为C^n函数(n\geq 1)。而光滑函数是对所有n都属于C^n函数,特称其为C^\infty函数

例如,指数函数显然是光滑的,因为指数函数的导数是指数函数本身。

英语百科

Smoothness 光滑函数

(重定向自Smooth map)
A bump function is a smooth function with compact support.
The C0 function f(x)=x for x≥0 and 0 otherwise.
The function f(x)=x2 sin(1/x) for x>0.
Curves with G1-contact (circles,line)

In mathematical analysis, the smoothness of a function is a property measured by the number of derivatives it has which are continuous. A smooth function is a function that has derivatives of all orders everywhere in its domain.

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