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3. Optimization of line chart information and style After the above line chart is drawn, the line chart of the current worksheet should be as follows: There are some problems in this line chart: the information is fuzzy; It is unclear what data the X-axis and Y-axis describe; The style of line chart is not very beautiful. Therefore, ...

The function of exporting Excel needs to be used in work. The traditional method is complex and difficult to modify. Here is an encapsulated tool class writing method. You only need to set the entity class, write the corresponding column name in the way of annotation, and then pass in the data set found from the database to export. Let's intro ...

1, Table structure design, import and export templates. Note: the structure of blogger tree is 8-level structure, which is divided into two tables due to business relationship. This table is divided into four levels, and the structure is as follows: Building unit floor room Excel The table item name field is obtained from the first table ...

The workbook is created by creating org apache. poi. ss. usermodel. Created by an instance of workbook. Either directly create a specific class (org.apache.poi.hssf.usermodel.HSSFWorkbook or org.apache.poi.xssf.usermodel.XSSFWorkbook), or use the convenient factory class org apache. poi. ss. usermodel. WorkbookFactory. Worksheets are created ...

1, Introduction The EasyPoi function is like the name easy. The main function is easy, so that a person who has not seen and contacted the poi can easily write Excel export, Excel template export, Excel import and Word template export, and complete the previous complex writing through simple comments and template language (familiar expression ...

1, Basic framework Project tasks: Each person's physical fitness test includes four items: horizontal bar, sit ups, 30m x2 snake run and 3000m run, plus whether the body shape is qualified (BMI body mass index or PBF body fat percentage). Each original test data is converted into a score of 100 points through the standards specified by differ ...

It takes about 5 minutes to read this article Main contents: Excel office automation and data analysis Applicable population: office staff / Python beginners / personnel interested in data analysis Preparation content: Anaconda Spyder, Pandas Library If you will not install the library, you can refer to the following tutorials: How An ...

Anyone who has used SAP's voucher batch entry template (Excel file) knows that a voucher consists of header and multiple line items, which is a typical scenario about the association of two excel tables. There is a problem here: when we need to enter multiple vouchers at one time, how to associate the header of each voucher with the line item? ...

Recently, the class often needs interpolation and fitting. I think I need to summarize the tools used. I mainly use three ways to realize them. matlab 1. matlab toolbox is preferred Give the prepared data to the variables in advance (I don't remember what it should be called here, but put down my data here) x = [760,2240,3480,3805,4720,5960 ...

Taking the example of issue 16 as an example, we select Matlab and Excel to explain how to realize the general simplex method, large M method and two-stage method. The topics are as follows: 1, Matlab solution As one of the most popular scientific computing software, MATLAB is widely used in data analysis, wireless communication, deep lea ...