| 释义 |
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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，我会有一个关于g的新猜想,就是X大于g，将二者相加，然后除以。 - 2
So this one equals m1 g cosine alpha - and this one, the x component-- which is in the minus x direction now-- equals m1 g sine alpha. 得到m1gcosα,而x方向上-,这里是x负方向-,大小是m1gsinα - 3
Because the gradient vectors here are f sub x, z If you have a third variable z gz then you have also an equation f sub z equals lambda g sub z. 因为这里，梯度向量就是，如果还有一个变量,那就还有一个等式fz等于λ乘以。
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