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Xing Li's blogs
SCIE 326 - Unit 9 Notes
By Xing Li July 17, 2019 - 11:46am(net time : 125 min) Unit 9 3 principles: non-contradiction, sufficient reason(everything has a reason: logically, empirically, optimally), identity of indiscernible (depending on the hierarchy level of categories) 4 polarities: (in...COMP 361 - Week 11 Notes
By Xing Li July 17, 2019 - 11:43am（net time : 92 min) Section 3 Database DBMS = API + query interface + admin interface + programs database = physical data store + schema schema= organization + association + data spec + data control data spec: type, length, location,...COMP 361 - Reflection on Assignment 2
By Xing Li July 16, 2019 - 1:39pm(net time: 624 min) I did fast for the use case diagram and the domain model class diagram, but I spent way more time on use case brief description. This is partially because I found more problems in my original analysis when I...SCIE 326 - Unit 8 Notes
By Xing Li June 21, 2019 - 11:46amUnit 8 (net time : 105 min) reasoning: the way our minds fit things together. empathetical, analogical,...SCIE 326 - Unit 7 Notes
By Xing Li June 21, 2019 - 11:44amUnit 7 (net time : 196 min) rules of professional conduct (behave in certain ways to know the truth): knowledge is public, not to judge by source or faith, include all sources with no bias, honesty, open minded, successful science requires...SCIE 326 - Unit 6 Notes
By Xing Li June 18, 2019 - 11:25amUnit 6 (net time : 151 min) scientific statement: Provide an explanation or causal mechanism of a naturally occurring phenomenon Generate predictions that are testable via observations that are replicable and natural rationalism:...SCIE 326 - Unit 5 Notes
By Xing Li June 17, 2019 - 11:26amUnit 5 (net time : 129 min) pathological science: low statistical significance, independent of cause, exceptionally high accuracy, revolutionary, ad hoc justification, can’t be reproduced pseudo science: static or randomly change (not...COMP 361 - Week 9 Notes
By Xing Li June 17, 2019 - 11:23amUnit 5 (net time : 219 min) Section 1 Object-Oriented Design What is OOP: Each object encapsulate program logic + attributes; a set of object cooperate with messages; instantiation = create object in execution; organized at...MATH 309 - Unit 1
By Xing Li June 12, 2019 - 12:01pmUnit 1 Integer (net time: 190 min) equality 8 axioms: A4M3D1 can lead to P3 of uniqueness A1. associativity: (k + m) + n = k + (m + n) A2. commutativity: m+n=n+m A3....MATH 271 - Unit 2
By Xing Li June 12, 2019 - 11:59amUnit 2(net time: 138 min)5.1 Eigen spaceA is invertible ó λ≠05.2 DiagonalizationSimilarity transformation: det(P-1AP) = det(A)Similarity invariant: determinant, invertibility, rank, nullity, trace, characteristic...
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