因此，一个多变量的函数没有通常的导数。
So, a function of several variables doesn't have the usual derivative.
在多变量的情况下也能求得逻辑函数的最简式。
Even in the case of multi-variable function, the minimization of the logical function can also be obtained.
给你一个有很多变量的函数，这样说不定你就崩溃了。
See, I am trying to just confuse you by giving you functions that depend on various Numbers of variables.
在热力学中，我们经常涉及两个或更多变量的函数。
In thermodynamics we usually deal with functions of two or more variables.
该方案在PID回路中加入解耦补偿器，以实现对多变量的解耦控制。
Under this condition, a new decoupling PID control strategy is proposed, which appended decoupling compensator in the PID loop.
球与板系统是一个典型的多变量的植物，这是传统的球和梁问题的扩展。
Ball and plate system is a typical multi-variable plant, which is the extension of the traditional ball and beam problems.
中医对疾病的诊断、辨证和治疗是多方面的，用数学的语言讲就是多元的、多变量的。
Multiple aspects are considered in diagnose, differentiation of syndrome and therapy in TCM which can be called multivariable by mathematic language.
要想对存在如此多变量的文本进行可靠的翻译，可能需要对翻译机器进行数年培训以及不断提升改进。
To get reliable translation of text based on all of these variables could take years of language-specific training and development.
社会流动机制的转变必然导致经济、社会诸多变量的变动，而经济和社会变量的变化又影响着生育行为。
The changes of social mobility mechanism will lead to economical and social variables' changing, which will take effects on fertility action.
新的主体，像是临床诊断测试的方法，和存活分析的单变量、双变量和多变量的技术也将会涵盖在其中。
New topics, such as methods for clinical diagnostic testing, and univariate, bivariate, and multivariate techniques for survival analysis will also be covered.
在工业现场由于条件的限制，很多过程变量需要的检测频率并不一样，从而带来了多频多变量的控制问题。
Because of the limit in modern industry sites, the frequency of the process variables detect is different. We can resolve the problem by multi frequency and multi variable control.
由于安全系数的目标函数是非凸的、多变量的并且存在多个极小值，所以一般边坡最危险滑弧的搜索是困难的。
Because the objective function of the safety of factor is nonconvex, multi-variable, and existing many minimums, searching the most dangerous failure surface usually is difficult.
先进控制技术的实施，将传统的单回路操作上升为多变量的系统操作，从而真正做到了平稳生产、增加产量、提高优质产品率。
The coming true of the technology made single circuit operation up to multivariable system operation and realized stable production, output increased and quality product rate. Improved.
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.
没错，这种排名不会出现缺乏数据支持的问题---虽然以不同的角度、从不同的国家来收集数据会产生很多变量。
True, there would be no shortage of data, though it would be of variable robustness and gathered on different bases in different countries.
假设你在转化率提升方面做得非常优秀 –对于你来说A/B测试与多变量测试是非常简单的事，在这方面你有很好的基础。
Let's say you're pretty good at conversion rate optimization - A/B and multivariate tests are relatively easy for you to perform and you've got solid instincts around them.
在深入学习更高级的技术(如多次回归或多变量方差分析)之前，对于简单线性回归的透彻理解将使您受益匪浅。
Before you plunge into learning more advanced techniques, like multiple regression or manova, you could benefit from having a solid understanding of simple linear regression.
今天我们将要试着理解，更多变量之间的关系，和怎样处理，一个依赖于几个相关变量的函数。
And, today we're going to try to figure out more about relations between the variables, and how to handle functions that depend on several variables when they're related.
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.
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.
本文讨论了存在未知扰动情况下如何设计双线性多变量系统的观测器问题。
The problem of designing an observer for bilinear multivariable systems in the presence of unknown disturbances is considered.
研究设计：预后因素多变量分析的随机对照试验。
Study Design. A randomized controlled trial with multivariable analyses of prognostic factors.
单元机组负荷系统是具有耦合的两输入两输出多变量系统，具有较大的惯性。
The unit load system is a two-input and two-output multivariable plant with coupling and inertia.
本文提出了一种简单的多变量极点配置自校正解耦控制器。
In this paper, a simple multivariable decoupling pole assignment self-tuning con-troller has been presented.
在日常饮食问题中，我们看到了如何对一个简单的多变量问题进行建模，如何在GNUMathProg中声明二维参数，以及如何解释最小化问题的结果。
With the diet problem, you saw how to formulate a simple, multi-variable problem, how to declare bidimensional parameters in GNU MathProg, and how to interpret the results of a minimization problem.
使用多变量cox比例风险模型来确定与早期新生儿死亡相关的因素。
Multivariate Cox proportional hazards models were used to identify factors linked to early neonatal death.
在多变量逻辑回归模型中，开发基于回归系数预测程序的一个简单的临床评分体系。
A simple clinical scoring system was developed on the basis of regression coefficients of predictors in a multivariable logistic regression model.
很多变量都有一些特殊的意义，这是正在使用它们的规则的一种功能。
A number of variables have special meanings that are a function of the rule they're being used in. The most commonly used are
当然要说明的是，电量消耗记录要涉及到很多变量（手机硬件，ROM，内核等等），而且也不会有2个机器耗电完全一样，但我描述的电量使用趋势是现代手机所共有的。
While many variables are involved (phone hardware, ROM, kernel, etc) and no two devices will perform exactly the same, the trends that I will describe are becoming more common in new phones.
当然要说明的是，电量消耗记录要涉及到很多变量（手机硬件，ROM，内核等等），而且也不会有2个机器耗电完全一样，但我描述的电量使用趋势是现代手机所共有的。
While many variables are involved (phone hardware, ROM, kernel, etc) and no two devices will perform exactly the same, the trends that I will describe are becoming more common in new phones.
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