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Topmask计算机代做服务特点介绍
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数据分析作业代写案例：
尽管许多团体、组织和专家都有不同的方法来处理数据分析，但大多数都可以提炼成一个放之四海而皆准的定义。数据分析是清理、改变和处理原始数据的过程，并提取可操作的相关信息，帮助企业做出明智的决策。该程序通过提供有用的见解和统计数据，通常以图表、图像、表格和图形的形式呈现，帮助减少决策中固有的风险
下面是一个用matlab做图像处理的数据分析课程作业：
All of the work should be contained in a Word file, preferably saved as a PDF. You will have to use the Word Equation Editor for the formulae, paste annotated Matlab plots into the Word document, and include Matlab scripts in the document Appendix. You can copy your script from the Matlab Editor window and paste it into Word as it is. Remember that you need to show all your calculations and formula work including the intermediate results. The code must
be suitably annotated with correct and comprehensive Matlab comments. Format, clarity and legibility of the submitted code will be a part of the assessment.
Part 2.
The Aggregated Dead Zone (ADZ) model for solute transport between two locations in a river system at the sampling interval of 1 minute can be defined approximately by the following discrete-time model:
xk = {1−(0.1+β)} xk-1 +0.1 uk-δ
where xk is the downstream solute concentration, uk is the upstream solute concentration, δ is the advective time delay and β is the decay rate of the solute.
In the calculations assume that the river is initially slightly polluted (x0 = 1 mgl− 1 ).
Adapt the code we developed in class for several purposes (from the blowfly model to the lake pollution one) to develop a Matlab script which will compute and plot the response xk to a step input uk of the pollutant at a constant concentration of 15mgl-1; i.e.
uk = 0 for k <= 0 and uk = 15 for k > 0 ; k = 1, 2,…, 40.
Make x0 a variable, so that the script is general. What other general features would you include? Hint: you can largely recycle the code we wrote in the class. In the Word document include both nicely formatted tabular and graphics output from Matlab, as well as the Matlab script. The plot needs to be fully annotated, including characteristic points on the plot, using the graphics text() command etc. in the script (as used in the class).
