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Xing Li's blogs

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    SCIE 326 - Unit 4 Notes

    By Xing Li June 11, 2019 - 11:46am
    Unit 4 (net time : 99 min) bottom-up: build chemistry but can’t feel wet, top-down: build physiology but can’t define health, physiology physiology vs pathology: macro vs micro atomic and kinetic vs earth, air, fire and...
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    SCIE 326 - Unit 3 Notes

    By Xing Li June 11, 2019 - 11:44am
    Unit 3 (net time : 184 min)question->answer with existing theory, unanswered-> revolution, with constraints (real world, publicly available)ask theoretically: hypothesis is true or consistent, possible prediction, what’s...
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    COMP 361 - Week 7 Notes

    By Xing Li May 31, 2019 - 11:23am
    Unit 4 (net time : 163 min)  Section 1 Overview   Analysis: requirements, what; Design: bridge from requirement to solution, how. The objective of systems design is to define, organize, and structure the components of the final...
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    SCIE 326 - Unit 2 Notes

    By Xing Li May 24, 2019 - 11:46am
    Unit 2 (net time : 114 min)Q2.Q4. science: enterprise that generates coherent understanding about real world, yield testable theories which is relatively true.             ...
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    SCIE 326 - Unit 1 Notes

    By Xing Li May 23, 2019 - 11:51am
    Unit 1(net time: 103 min)scientific point of view: Do not believe anything, but question only what is worth questioninginductive attitude: aims at adapting our beliefs to our experience as efficiently as...
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    COMP 361 - Week 5 Notes

    By Xing Li May 13, 2019 - 8:27pm
    (net time: 190 min) Section 3 Domain Modeling   functional requirements: use case + problem domain of system users problem domain: the specific area (or domain) of the user’s business need (or problem) that is within the scope of the...
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    COMP 361 - Assignment 1 Reflection

    By Xing Li May 11, 2019 - 8:41pm
    (net time: 552 min)                        Because I had SAP implementation experience in the past, this assignment reminds me of those days writing business requirements and drawing...
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    MATH 271 - Unit 1

    By Xing Li May 10, 2019 - 11:49am
    Unit 1 (net time: 78 min)The contents learned in MATH270 is not included.4.7 Row/Column/Null SpaceTheorems:Ax=b is consistent ó b is in the column space of AThe solution of Ax=b can be expressed as the sum a particular...
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    COMP 361 - Week 3 Notes

    By Xing Li May 9, 2019 - 11:37am
    Unit 3  (Net Time: 115 min) Section 1 Gather Information   5 activities: Gather detailed information Define requirements Prioritize requirements Develop user-interface dialogs Evaluate requirements with users   6...
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    COMP 361 - Week 2 Notes

    By Xing Li May 8, 2019 - 11:58am
    Unit 2 Approaches (Net time: 154 min) Section 1 General approachesPredictive SDLC: for building systems well understood and defined7 phases: 6+support (maintain/enhance system + support users with help desk to keep the system running productively,...