### CS代写|程序设计作业代写algorithm Programming代考|PROBLEMS INVOLVING

statistics-lab™ 为您的留学生涯保驾护航 在代写程序设计algorithm Programming方面已经树立了自己的口碑, 保证靠谱, 高质且原创的统计Statistics代写服务。我们的专家在代写程序设计algorithm Programming代写方面经验极为丰富，各种代写程序设计algorithm Programming相关的作业也就用不着说。

• Statistical Inference 统计推断
• Statistical Computing 统计计算
• (Generalized) Linear Models 广义线性模型
• Statistical Machine Learning 统计机器学习
• Longitudinal Data Analysis 纵向数据分析
• Foundations of Data Science 数据科学基础

## CS代写|程序设计作业代写algorithm Programming代考|ARRAYS

Think of a road with a row of houses on it. How would you get a unique address for a house on that road? You would take the name of the road and the house number of the lot. An array is similar to a road with a number of houses. The name of the road can be thought of as the name of the array and the number of the house can be thought of as the location number in the array.
Formally speaking, an array is a finite collection of homogeneous data values usually stored in consecutive memory locations with a common name. The term finite implies that the number of data values of an array must be limited by its size. The term homogeneous means “having the same nature or characteristic.” The term usually implies that arrays are almost always implemented by using contiguous locations of the computer’s main memory in a linearly ordered fashion, but not always. The common name assigned to a set of adjacent memory locations to hold the data of a particular type is called the name of the array. The different data values of an array are mentioned by using the name of the array along with a subscript within brackets, such as $\mathrm{A}[1], \mathrm{A}(1)$, and $\mathrm{A}[2]$, or in general, $\mathrm{A}[i]$, where $i$ must be an integer. The value of $i$ is the location. The subscript is also called an index. This is why an array element such as $\mathrm{A}[i]$ is also called an indexed or subscripted variable. The following are some examples of arrays:

1. The roll numbers of the students of a class stored in a computer’s main memory in linear order
1. The names of the students of a class stored in the computer’s main memory in linear order
2. The maximum temperatures of different days of a month in a city stored in the computer’s memory in linear order

All of the data stored together are of the same type, i.e., homogeneous. For example, roll numbers are usually integers, names are usually strings of characters, and temperatures are usually fractional or floating point numbers. Hence, the first example is an array of integers, the second example is an array of strings, and the third example is an array of floating point numbers. Different computer languages use different notations to represent the array elements. However, we will use just one notation. If $\mathrm{A}$ is an array of size $n$, then we will point to an array element by the notation $\mathrm{A}(i)$, where the value of $i$ can vary from 1 to $n$.

Problem 4.1. The goal here is to show you how to construct an array. The following algorithm will clarify the steps:

1. Decide the size of the array to be formed, say $n$.
2. Declare an array of size $n$ with some desired name, say A.

## CS代写|程序设计作业代写algorithm Programming代考|The inputs are the grades obtained

Task Analysis. The inputs are the grades obtained by students on three tests. To identify the student, the student roll-number and name of each student are given as input. The final score of each student is obtained by determining the greater score of the first two tests and then adding it to that of the third test. The total score represents the percentage score because the total is based on the marks of two tests, each of which carries a maximum grade of 50 . At this stage, we shall have the Roll Number, Name, and Percentage of all the students. The next task is to sort the facts to get information about the students in a descending sequence of percentages. To sort the facts, we take the percentage of the first student and compare it with the percentage of all the other remaining students and interchange the student’s data whenever some student’s percentage is found to be less than the percentage of that of the first student’s percentage. Similarly, we take the percentage of the second student to compare it with the percentage of the third student to interchange the facts, if needed. This type of comparison is continued until we compare the percentage of the last two students.

## CS代写|程序设计作业代写algorithm Programming代考|repeat these comparisons

We repeat these comparisons each time, considering one less element than that in the preceding step. It can be observed that after $(N-1)$ steps, the set of numbers will be in the sorted sequence.
The algorithm of the above process is stated below:
Step 1. FOR I = $1 \mathrm{TON}$
Step 2. INPUT TO A(I)
Step 3. END-FOR
Step 4. FOR I = 1 TO N $-1$
Step 5. FOR J=1 TO N – I
Step 6. $\operatorname{IF~} \mathrm{A}(\mathrm{J})>\mathrm{A}(\mathrm{J}+1)$
THEN $\mathrm{T} \leftarrow \mathrm{A}(\mathrm{J})$
$\mathrm{A}(\mathrm{J}) \leftarrow \mathrm{A}(\mathrm{J}+1)$
$\mathrm{A}(\mathrm{J}+1) \leftarrow \mathrm{T}$
END-IF
Step 7. END-FOR-J
Step 8. END-FOR-I
Step 9. FOR I = 1 TO N
Step 10. PRINT A(I)
Step 11. END-FOR-I
Step 12. STOP
Problem 4.10. Draw a flowchart to show how the product of two matrices can be obtained.

Task Analysis. We know that a matrix is a two-dimensional array. The multiplication of two matrices is possible if the number of columns of the first matrix is equal to the number of rows in the second matrix or if the number of rows in the first matrix equals the number of columns of the second matrix. If we consider the row-by-column multiplication of the two matrices, then each element of a row is taken sequentially to multiply with the corresponding column elements, taking one at a time, and the sum of these products is taken as an element of the resulting matrix. This is repeated for all the rows of the first matrix. The reverse process is carried out for the column by row multiplication. To describe the process mathematically, let $\mathrm{A}=\left[a_{i j}\right]$ be an $m \times n$ matrix and $\mathrm{B}=\left[b_{i j}\right]$ be an $n \times p$ matrix. Then the product A.B of these matrices is of the order $m \times p$ say, $\mathrm{C}=\left[c_{i j}\right]$.
where $c_{i j}=a_{i 1} \cdot b_{1 j}+a_{i 2} \cdot b_{2 i}+\ldots \ldots+a_{i n} \cdot b_{n j}$
$$\Rightarrow \quad c_{i j}=\sum_{k=1}^{n} a_{i k} \cdot b_{k j}$$

## CS代写|程序设计作业代写algorithm Programming代考|ARRAYS

1. 以线性顺序存储在计算机主存储器中的班级学生的卷号
1. 以线性顺序存储在计算机主存储器中的班级学生姓名
2. 以线性顺序存储在计算机内存中的城市一个月内不同日子的最高气温

1. 决定要形成的数组的大小，比如说n.
2. 声明一个大小数组n有一些想要的名字，比如 A。

## CS代写|程序设计作业代写algorithm Programming代考|repeat these comparisons

Step 1. FOR I =1吨这ñ

END-IF

⇒C一世j=∑ķ=1n一种一世ķ⋅bķj

## 有限元方法代写

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## 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。