SOFTWARE DESIGN TECHNIQUES

DESIGN METHODOLOGIES - 2 A more methodical approach to software design is proposed by structured methods which are sets of notations and guidelines for software design. Two major rules of this method Programs were to be broken into functions and subroutines There was only a single entry point and a single exit point for any function or routine.

Design, Software, Design software

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GRASP Design Principles

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Pure Fabrication Fabricated class/ artificial class – assign set of related responsibilities that doesn't represent any domain object. Provides a highly cohesive set of activities. Behavioral decomposed – implements some algorithm. Examples: Adapter, Strategy Benefits: High cohesion, low coupling and can reuse this class.

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INTEGER LINEAR PROGRAMMING - INTRODUCTION

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GLPK integer solver • GLPK has a very good integer solver. • Uses branch-and-bound + Gomory cut techniques • We will examine these techniques soon. • In this lecture, • Show how to solve (mixed) integer linear programs • Continue to use AMPL format. • This is the best option for solving ILPs/MIPs

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Object-Oriented Design with Python

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• Introduces Python’s special methods to realize class definition, inheritance, multiple inheritance, accessibility, polymorphism, encapsulation. • This presentation indicates the difference of how to realize OOP method between python and other OOP language • Compare Python’s OOP methods with other OOP languages.

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TESTING FRAMEWORKS

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Where does Test Automation fit in the Software Life Cycle • Considering the earlier software life cycles such as the waterfall model the test automation appears in this life cycle during the implementation and testing phase.

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Object Oriented Databases

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Object oriented databases or object databases incorporate the object data model to define data structures on which database operations such as CRUD can be performed. They store objects rather than data such as integers and strings. The relationship between various data is implicit to the object and manifests as object attributes and methods

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Object Oriented Design

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OO Design 2 Object-Oriented Design Traditional procedural systems separate data and procedures, and model these separately Object orientation combines data and methods together into a cohesive whole data abstraction The purpose of Object-Oriented (OO) design is to define the classes (and their relationships) that are

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Numerical Solution of Diﬀerential Equations

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This set of ﬁrst-order ODEs is equivalent to x′′′ 1 = 14+x21 −36logx′ 1 −sin2t, as you can see by substituting the ﬁrst two equations into the third. The variables that appear on the left-hand side of an ODE system are termed the state variables of the system. The state vector ~x of this system is (x1 x2 x3)T and the ODE system ...

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