Concept and operation rules of generalized partial derivative of multivariate function are given basis on generalized derivative of single variable function in this paper.
在一元函数广义导数定义的基础上,提出了多元函数广义偏导数的概念,相应地建立了广义偏导数的运算规则,获得了有关的一些性质。
Instead of this single value, a random variable has a function that describes the likelihood of values for the estimate and is called the variable's probability distribution.
取代单个值,随机变量拥有描述估计值可能性的函数,该函数称为变量的概率分布。
Well, the answer is I could put curly d's if I wanted, but I end up with a function of a single variable.
我也可以用∂,但因为是单变量函数的缘故。
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