best diagram software

Stack layout calculates the baseline of each data layer in a two-dimensional array to facilitate the addition of each data stack. This paper explains how to make a stack diagram.Let's talk about a stack diagram.For example, the following is the case:A company, selling three kinds of products: personal computers, smartphones, software.In 2005, the profits of three products were 3000, 2000 and 11 million respectively.In 2006, the profits of three products were 1300, 4000 and 17 million respectivel

what the customer needs is a ladder. What the system analyst understands is a stool. What the developer makes is a table. The tester thinks it is a chair, requirement analysis is a very difficult task! Although the demand analysis work is so challenging, it is also one of the charm of our software work! This course will be creatively used with you UML class diagram shows how to explore the nature of

pays particular attention to the dynamic execution of the target program, while the physical view attaches importance to the static position of the target program; The physical view is the architectural view that comprehensively considers the interaction between the software system and the entire IT system. Equipment Debugging System case Overview The following sections of this article will study a case: a certain type of equipment debugging system.

Objective Some time ago because the subject needs to use a period of time tensorflow, feel this framework is very interesting, in addition to can build complex neural network, but also can optimize the other needs of the calculation model, so I always want to learn to write a similar diagram calculation framework. In the last few days, the group will finish the decision to implement a rough version diagram

HS Series Data acquisition card can not only achieve high-speed data acquisition, but also through the (Multi channel) multi-channel measurement and analysis software, to achieve a variety of complex triggering function of the logic relationship, capture the transient high-speed signal and display the corresponding trigger curve.HS4, HS5, HS6 USB high-speed data acquisition cardVarious advanced triggering functionsIn order to control the USB series hi

Thank you for your help from Baidu's IT community, Workaround for Ubuntu Software Center software disappears due to a software installation failure: Look for Baidu, some say, use command: sudo apt-get install Software-center Then, use the command: sudo apt-get Install XXX Then, use the command:

visual modeling language and is mainly used for object-oriented modeling.Analysis and design; the latter is used for the logical design of the database and generates the object relationship diagram of the project database. 4.1 common software modeling tools1. Rational Rose RationalRose is a powerful UML modeling tool that makes it easy to improve and maintain the design, generate reports from the model, an

ScienceIt refers to the data structure and algorithm, Computing Theory-Theoretical Level TechnologyIt mainly includes: programming languages, operating systems, and other specific technologies-Technical Level EngineeringIncluding: software architecture, development documentation, project management, various tests, etc-Management Layer Quotations: Software always has bugs, no one knows where it will be

The approximate steps to get the requirements using class diagrams are as follows:1. Identify the class2. Identify the main properties of a class3. Describe the relationship between classes and classes4. Analysis, abstraction and collation of all types Identify the classThe various business concepts encountered in demand analysis are abstract and then class, representing a category .... For example, in a book management system, books are a class, and borrowers are also a class. Recognize th

Before the painting, first introduceMatlab BoxPlot,The following description is from http://www.plob.org/2012/06/10/2153.htmlBecause Matlab has the powerful computation function, with its statistical data function advantage is obvious, here to share uses the MATLAB BoxPlot some skill, for everybody reference.Matlab BoxPlotCommandThe format is as follows BoxPlot (X) : A box diagram and a "whisker" diagram