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# 金融代写|风险建模代写Risk Modeling代考|JNB536 Be Proactive

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## 金融代写|风险建模代写Risk Modeling代考|Be Proactive

The first habit deals with how to view the problem and where to focus one’s energies. Covey’s primary tool for this habit is the set of concentric circles, the circle of concern and the circle of influence. The circle of concern includes all things that concern us. The circle of influence includes elements that are under our control. From a systems standpoint, this perspective can relate to the definition of a system and its elements, indeed a system of systems. The system’s boundary defines the context within which the problem will be addressed-a subset within the circle of concern that is to be studied. (It is also possible that elements in the system lie outside the circle of concern-for example, externalities.) The state variables, which are central to systems modeling, are our primary concern; however, we do not have absolute control over them. The only variables within our circle of influence are the decision variables. Random and exogenous variables and constraints are beyond our control, although we must be cognizant of them (these terms will be defined and explained in Chapter 2).

Figure $1.2$ combines Covey’s key proactive circles with the elements that fully describe a system and its interrelationships.

Successful decisionmaking or problem solving requires understanding the elements within both the circle of influence and the circle of concern, i.e., the elements of the system of systems and its interacting environment.

## 金融代写|风险建模代写Risk Modeling代考|Begin with the End in Mind

In Covey’s context, this habit involves mentally creating a solution to problems or developing a mission statement. Beginning with the end in mind is one of the cornerstones of systems thinking. Often referred to as the “top-down approach” to problem solving, this involves determining overall goals for a system before beginning the design. In the filling the glass with water example, this means determining whether the goal is to fill one glass of water or many glasses, or to design a useful faucet or sink. From a mathematical modeling perspective, the goal for a problem could be to minimize or maximize some function, $f$, of the state variables, $S$-for example, minimize $f(S)$. For example, we may want to minimize the distance from water level to the top of the glass, $S_1$, while minimizing the amount of water spilled, $S_2$. This can be represented as minimize $f\left(S_1, S_2\right)$.

“Begin with the end in mind” is also termed the leadership habit. One means of applying this is in the form of a mission statement-everything should follow from the mission statement that the leader provides. Likewise, the preliminary steps of systems engineering provide a mission for the project by determining goals, requirements, specifications, or criteria by which eventual proposed solutions will be evaluated.

In our basic example, the mental picture (goal) is a full glass of water. However, the situation is not always this simple. A more complex situation is the American effort to put a man on the moon. This is perhaps the best example of the importance of holding fast to the mental creation of an outcome. Throughout the project, the leaders kept their strong belief in this goal. This was essential because much of the necessary technology did not even exist at the outset of the project. Reliance on status quo technology or knowledge would have doomed the project-much as failure to “begin with the end in mind” would keep one from reaching personal goals.

## 金融代写|风险建模代写Risk Modeling代考|Begin with the End in Mind

“以终为始”也被称为领导习惯。应用这一点的一种方法是使命宣言的形式——一切都应该遵循领导者提供的使命宣言。同样，系统工程的初步步骤通过确定目标、要求、规范或标准来为项目提供任务，最终提出的解决方案将根据这些标准进行评估。

## MATLAB代写

MATLAB 是一种用于技术计算的高性能语言。它将计算、可视化和编程集成在一个易于使用的环境中，其中问题和解决方案以熟悉的数学符号表示。典型用途包括：数学和计算算法开发建模、仿真和原型制作数据分析、探索和可视化科学和工程图形应用程序开发，包括图形用户界面构建MATLAB 是一个交互式系统，其基本数据元素是一个不需要维度的数组。这使您可以解决许多技术计算问题，尤其是那些具有矩阵和向量公式的问题，而只需用 C 或 Fortran 等标量非交互式语言编写程序所需的时间的一小部分。MATLAB 名称代表矩阵实验室。MATLAB 最初的编写目的是提供对由 LINPACK 和 EISPACK 项目开发的矩阵软件的轻松访问，这两个项目共同代表了矩阵计算软件的最新技术。MATLAB 经过多年的发展，得到了许多用户的投入。在大学环境中，它是数学、工程和科学入门和高级课程的标准教学工具。在工业领域，MATLAB 是高效研究、开发和分析的首选工具。MATLAB 具有一系列称为工具箱的特定于应用程序的解决方案。对于大多数 MATLAB 用户来说非常重要，工具箱允许您学习应用专业技术。工具箱是 MATLAB 函数（M 文件）的综合集合，可扩展 MATLAB 环境以解决特定类别的问题。可用工具箱的领域包括信号处理、控制系统、神经网络、模糊逻辑、小波、仿真等。