IB DP Maths: AI HL復習筆記3.7.4 The Scalar Product
The Scalar ('Dot') Product What is the scalar product? The scalar product (also known as the dot product) is one form in which two vectors can be combined together The result of taking the scalar p...
IB DP Maths: AI HL復習筆記3.7.3 Magnitude of a Vector
Magnitude of a Vector How do you find the magnitude of a vector? The?magnitude?of a vector tells us its?size?or?length For a?displacement?vector it tells us the?distance?between the two points For ...
IB DP Maths: AI HL復習筆記3.7.2 Position & Displacement Vectors
Adding & Subtracting Vectors How are vectors added and subtracted numerically? To?add?or?subtract?vectors numerically simply add or subtract each of the corresponding components In?column vecto...
IB DP Maths: AI HL復習筆記3.7.1 Introduction to Vectors
Scalars & Vectors What are scalars? Scalars?are quantities without?direction They have only a?size (magnitude) For example:?speed, distance, time, mass Most scalar quantities?can never be?negat...
IB DP Maths: AI HL復習筆記3.6.2 Determinant of a Transformation Matrix
Determinant of a Transformation Matrix What is a determinant? the determinant is det?A?=?ad?-?bc What does the determinant of a transformation matrix (A) represent? The?absolute value?of the?determ...
申請美國大學雅思成績要求是怎么樣的？
申請美國大學雅思成績要求是怎么樣的？美國大學的申請季分為春季和秋季。如果你是春季入學的學生，那么8-10月將是你申請最為緊張的階段；而秋季入學的學生需要在10月-次年3或4月完成申請工作。 在語言方面， 超過...
IB DP Maths: AI HL復習筆記3.6.1 Matrix Transformations
Transformation by a Matrix What is a transformation matrix? A transformation matrix is used to determine the coordinates of an?image?from the?transformation?of an?object Commonly used transformatio...
IB DP Maths: AI HL復習筆記3.5.2 Toxic Waste Dump Problem
Toxic Waste Dump Problem What is the toxic waste dump problem? The?toxic waste dump problem?is the name given to the general idea of finding the point on a?Voronoi diagram?which is furthest from an...
IB DP Maths: AI HL復習筆記3.5.1 Voronoi Diagrams
Drawing Voronoi Diagrams What are Voronoi Diagrams? A?Voronoi diagram?shows the region containing the set of all points which are?closer?to one given?site?than to any other?site?on the diagram A?si...
IB DP Maths: AI HL復習筆記3.4.3 Solving Trigonometric Equations
Graphs of Trigonometric Functions What are the graphs of trigonometric functions? The trigonometric functions sin, cos and tan?all have special?periodic graphs You’ll need to know their properties ...
亞洲留學成為中國家庭的大熱門！
說到留學，很多同學的第一反應可能是英澳美加等傳統(tǒng)留學目的地。不過一場席卷全球的疫情過后，亞洲留學成為中國家庭的大熱門！ 前段時間，《2022中國留學白皮書》發(fā)布，數(shù)據(jù)顯示，新加坡、日韓、中國香港等亞洲求...
IB DP Maths: AI HL復習筆記3.4.2 Simple Identities
Simple Identities What is a trigonometric identity? They are used to help simplify trigonometric equations before solving them Sometimes you may see identities written with the symbol?≡ This means ...
