2022软科世界学科排名正式发布！
就在今天，高等教育评价专业机构软科正式发布了2022“世界一流学科排名”。 无论你是想通过学校选专业还是通过专业选学校，都可以来参考看看哦~ 此次排名一共覆盖了54个学科，涉及理学、工学、生命科学、医学和社会...
IB DP Maths: AI HL复习笔记2.4.1 Composite & Inverse Functions
Composite Functions What is a composite function? How do I find the domain and range of a composite function? Exam Tip Worked Example Inverse Functions What is an inverse function? What are the con...
IB DP Maths: AI HL复习笔记2.3.6 Strategy for Modelling Functions
Modelling with Functions What is a mathematical model? A mathematical model simplifies a real-world situation so it can be described using mathematics The model can then be used to make predictions...
IB DP Maths: AI HL复习笔记2.3.5 Sinusoidal Models
Sinusoidal Models What are the parameters of a sinusoidal model? The c represents the phase shift This is a horizontal translation by c units The d represents the principal axis This is the line th...
IB DP Maths: AI HL复习笔记2.3.4 Direct & Inverse Variation
Direct Variation What is direct variation? Two variables are said to vary directly if their ratio is constant (k) This is also called direct proportion The graphs of these models always start at th...
IB DP Maths: AI HL复习笔记2.3.3 Exponential Models
Exponential Models What are the parameters of an exponential model? An exponential model is of the form Where e is the mathematical constant 2.718… The c represents the boundary for the function It...
IB DP Maths: AI HL复习笔记2.3.2 Quadratic & Cubic Models
Quadratic Models What are the parameters of a quadratic model? This is given in the formula booklet as the axis of symmetry What can be modelled as a quadratic model? These can be used if the graph...
国际物理、化学奥赛落幕，中国代表队全员摘金！近期可参加的物理/化学竞赛盘点
捷报频传！ 继IMO中国队拿下创造历史的全员满分后， IPhO国际物理奥林匹克学术活动 IChO国际化学奥林匹克学术活动 两大赛事成绩出炉， 两支中国代表队全员摘金！01IPhO：中国队全员金牌并包揽前五 第52届IPhO由瑞...
IB DP Maths: AI HL复习笔记2.3.1 Linear Models
Linear Models What are the parameters of a linear model? The m represents the rate of change of the function This is the amount the function increases/decreases when x increases by 1 If the functio...
