我也可以用∂,但因为是单变量函数的缘故。
Well, the answer is I could put curly d's if I wanted, but I end up with a function of a single variable.
数值和矢量分析微分：多变量函数。
Numerical and vectorial analysis Differential calculus: multivariable functions.
在复变量函数理论中广泛使用线积分。
Line integrals are used extensively in the theory of functions of a complex variable.
事实上，如果你有一个多变量函数，那么它的准则依然如此。
In fact, if you had a function of many more variables the criterion would still look exactly like that.
在两对边简支条件下用分离变量函数法给出扁柱面网壳的横向位移。
By using the method of the separating variable function, the transverse displacement of the shallow cylindrical reticulated shells were given under the conditions of two edges simple support.
当各类变量函数进行适当代换时，由有限元新模式可求得其它类型的模式；
Substituting between argument functions each other, other forms for the finite element can be obtained from the new form.
在用中规模集成逻辑电路实现函数时，使用降维卡诺图可化简多变量函数。
When using MSI to implement logical functions, we can use Reduced-dimension Karnaugh Map (RDM) to simplify multi-variable functions.
将沙丘背风坡的稳定性问题等价于一个双参变量函数的待定边界的泛函极值问题。
The problem of the lee slope stability of dune is equivalent to the extremal problem of a functional of two-variant function with a variable boundary in this paper.
上次我们看了，怎样利用拉格朗日算子，去求解一个受约束的，多变量函数的最大最小值。
OK, so last time we saw how to use Lagrange multipliers to find the minimum or maximum of a function of several variables when the variables are not independent.
我们介绍且激发课程的主题将朝向于实例学习法的问题设定，例如稀疏值中多变量函数近似的问题。
We introduce and motivate the main theme of the course, the setting of the problem of learning from examples as the problem of approximating a multivariate function from sparse data - the examples.
为了令你们习惯于这个想法，我画一个三变量函数的等值面,这是一个平面,由函数w=c给出的。
So, just to get you used to this idea, I'm going to draw a level surface of a function of three variables OK, so it's a surface given by the equation w of x, y, z equals some constant c.
你只需弄清哪个是变量，哪个不是，下次课会涉及更多的内容，我们还会学习，多变量函数的最大值和最小值。
You just have to keep remembering which one is a variable, and which one isn't. OK, so more about this next time, and we will also learn about maxima and minima in several variables.
多变量函数的积分问题在各种应用领域，包括物理、化学、金融、经济和计算科学中有着广泛的应用。
The problem of multivariate numerical integration has its applications in many fields, including physics, chemistry, finance, economy, and computational science.
考虑到放电等离子烧结的一步成形工艺，将粉末材料的热电性能参数假设为温度和密度的双变量函数。
Considering the single step processing technique of SPS, the thermal-electrical properties parameters of powder material were assumed as bivariate functions of temperature and the relative density.
把营运船舶的船体剖面模数看做受蚀耗影响的随机变量，基于随机变量函数线性化提出一个简单方法。
Hull section moduli of ships in service are treated as random variables due to corrosion and wear. A method based on linearization of a random function is described.
求随机变量函数的分布是概率论中的一个重要课题，无论是在理论还是在应用上都有着十分重要的意义。
Solving the distribution of random variable function which is of great significance whether in theory or in application is an important question in probability theory.
科学计算及其应用常常需要多变量函数的有关偏导数问题的计算，通常使用的计算方法是符号微分或差分近似。
Evaluation relevant to the partial derivatives of the multivariable functions is often done in scientific computation, usually by means of the symbolic differentiation or the divided difference.
结果表明，海伦黑土全碳、碱解氮和速效钾半变量函数曲线的理论模型符合高斯模型，速效磷的理论最佳模型为球状模型。
The results indicated that the semivariogram of total C , available N and available K were best described by the Gaussian model, while available P was best fitted by the Spherical model.
大多数变量和函数应以小写字母开头。
Most variables and functions should start with a lower case letter.
在这个函数的第一部分中，您设置了创建报告需要的对象，比如画布的宽度和高度以及填充变量。
In the first section of this function, you set up objects needed to create the report, like the width and height of the canvas, as well as padding variables.
在下一篇文章中，您将学会如何高效率地使用变量和函数。
In the next installment, you will learn how to employ variables and functions efficiently.
它包含全局变量和函数的定义。
This includes the definition of global variables and functions.
通常情况下，它将是一个关于变量的函数。
In general, it will be a function that depends on the variables.
不要将常数定义成变量或函数。
可能是这样的，现在我们可以说，有一个含有两个变量的函数。
OK, so now, let's say that we had, actually, a function of two variables.
但是对含任意多个变量的函数也是适用的。
记住，变量可以保存函数！
如果您运行设置变量或包含函数的脚本，以及在同一个上下文中执行的后续脚本，那么可以使用前一个脚本的变量和函数。
If you run a script that sets variables or contains functions, subsequent scripts executed within the same context can use the variables and functions of the previous scripts.
我将额外向您展示如何用php中的变量和函数变一些戏法。
As a bonus, I will show you how to do some magic with variables and functions in PHP.
我将额外向您展示如何用php中的变量和函数变一些戏法。
As a bonus, I will show you how to do some magic with variables and functions in PHP.
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