IB DP Maths: AI HL復習筆記4.1.3 Statistical Measures
Mean, Mode, Median What are the mean, mode and median? Mean, median and mode are?measures of central tendency They describe where the centre of the data is They are all types of?averages In statist...
IB DP Maths: AI HL復習筆記4.1.2 Data Collection
Methods of Data Collection How do I choose variables to investigate? Keep the?number of variables?you investigate to a?minimum Too many variables at once can be?overwhelming It can be?time-consumin...
IB DP Maths: AI HL復習筆記4.1.1 Sampling
Types of Data What are the different types of data? ?Qualitative?data is data that is usually given in words not numbers to?describe?something For example: the colour of a teacher's car Quantitativ...
IB DP Maths: AI HL復習筆記3.10.6 Bounds for Travelling Salesman Problem
This revision note discusses more complex situations for the?travelling salesman problem?and you may wish to refer to the revision note?3.10.5 Travelling Salesman Problem. Table of Least Distances ...
IB DP Maths: AI HL復習筆記3.10.5 Travelling Salesman Problem
Hamiltonian Paths & Cycles What are Hamiltonian paths and cycles? A?path?is a walk in which?no vertices are repeated A?Hamiltonian path?is a path in which each?vertex?in a graph is visited?exac...
IB DP Maths: AI HL復習筆記3.10.4 Chinese Postman Problem
Eulerian Trails & Circuits What are Eulerian trails and circuits? A?trail?is a walk in which?no edge is repeated An?Eulerian trail?is a trail that visits each?edge?in a graph?exactly once A?cir...
IB DP Maths: AI HL復習筆記3.10.3 Minimum Spanning Trees
Kruskal's Algorithm In a situation that can be modelled by a graph,?Kruskal’s algorithm?is a mathematical tool that can be used to?reduce?costs, materials or time. Why do we use Kruskal’s Algorithm...
IB DP Maths: AI HL復習筆記3.10.2 Walks & Adjacency Matrices
Walks & Adjacency Matrices Adjacency matrices?are another way to represent graphs and connections between the different vertices. What is an adjacency matrix? An adjacency matrix can be used to...
IB DP Maths: AI HL復習筆記3.10.1 Introduction to Graph Theory
Parts of a Graph A?graph?is a mathematical structure that is used to represent objects and the connections between them. They can be used in modelling many real-life applications, e.g. electrical c...
