由于准则方程的高次非线性和复杂性,文中利用复合函数求导法则,直接针对基本随机变量求解。
Because of the complexity and high order nonlinear property of the criterion, a derivative method for compound function is used to get reliability.
使用多元复合函数微商法则,导出拉普拉斯算符在柱面坐标系和球面坐标系中表达式。
The Laplacian in the columnar and spherical coordinates is deduced by using the derivative principle of the multivariable functions.
用函数的链式法则和乘积公式给出了参数函数和复合函数的高阶导数的计算公式。
The formulas calculating higher derivatives of parametric functions and composite functions are given by the chain rule and the product formula for derivatives.
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