x g

基本解釋

g x that is just negative partial f, partial x.
的梯度是?g/?x，The，gradient，of，g，--，Well，partial，g，，partial，x，那就是-?f/?
Otherwise, I'm going to get a new guess by taking g, x over g, adding them, 2 and dividing by two.
或者呢，我會有一個關(guān)於g的新猜想,就是X大於g，將二者相加，然後除以。
The chain rule is just how to take the derivative of "chained" functions — meaning, function x() calls function g(), and you want the derivative of x(g()).
鏈式法則僅僅是如何對鏈式函數(shù)求導的意思，函數(shù)x（）引用函數(shù)g（），你要求導x（g（））。

Otherwise, I'm going to get a new guess by taking g, x over g, adding them, 2 and dividing by two.
或者呢，我會有一個關(guān)於g的新猜想,就是X大於g，將二者相加，然後除以。
麻省理工公開課 - 計算機科學及編程導論課程節(jié)選
I'm going to start with a guess, I'm going to call it g. And then I'm going to say, if g squared is close to x, stop.
我會從一個猜想開始，把它叫做g，然後我會說，如果g的平方接近於X，打住。
麻省理工公開課 - 計算機科學及編程導論課程節(jié)選
For example, suppose you use vertical motion and you use y instead of x; and a would be g or -g; that's a particle falling down under the affect of gravity.
例如,假設在竪直運動中,你用 y 來代替 x,那麼 a 就是 g 或者 -g,這就是一個受重力作用下落的質(zhì)點
耶魯公開課 - 基礎物理課程節(jié)選

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