CIE A Level Maths: Pure 3复习笔记7.1.1 Basic Vectors

What is a vector?

• Vectors represent a movement of a certain magnitude (size) in a given direction
• You should have already come across vectors when translating functions of graphs
• They appear in many contexts of maths including mechanics for modelling forces
• Vectors can be represented in different ways such as a column vector or as an i and j unit vector