IB DP Maths: AI HL复习笔记1.7.2 Operations with Matrices
Matrix Addition & Subtraction Just as with ordinary numbers, matrices can be added together and subtracted from one another, provided that they meet certain conditions. How is addition and subt...
IB DP Maths: AI HL复习笔记1.7.1 Introduction to Matrices
Introduction to Matrices Matrices are a useful way to represent and manipulate data in order to model situations. The elements in a matrix can represent data, equations or systems and have many rea...
IB DP Maths: AI HL复习笔记1.6.3 Applications of Complex Numbers
Frequency & Phase of Trig Functions How are complex numbers and trig functions related? A sinusoidal function is of the form a sin(bx + c) a represents the amplitude b represents the period (al...
IB DP Maths: AI HL复习笔记1.6.2 Forms of Complex Numbers
Modulus-Argument (Polar) Form How do I write a complex number in modulus-argument (polar) form? How do I multiply complex numbers in modulus-argument (polar) form? The main benefit of writing compl...
IB DP Maths: AI HL复习笔记1.6.1 Geometry of Complex Numbers
Geometry of Complex Addition & Subtraction What does addition look like on an Argand diagram? In Cartesian form two complex numbers are added by adding the real and imaginary parts When plotted...
IB DP Maths: AI HL复习笔记1.5.3 Introduction to Argand Diagrams
Argand Diagrams What is the complex plane? The complex plane, sometimes also known as the Argand plane, is a two-dimensional plane on which complex numbers can be represented geometrically It is si...
IB DP Maths: AI HL复习笔记1.5.2 Modulus & Argument
Modulus & Argument How do I find the modulus of a complex number? What features should I know about the modulus of a complex number? How do I find the argument of a complex number? The argument...
IB DP Maths: AI HL复习笔记1.5.1 Intro to Complex Numbers
Complex numbers are a set of numbers which contain both a real part, and an imaginary part. Cartesian Form What is an imaginary number? What is a complex number? What is Cartesian Form? Exam Tip Re...
IB DP Maths: AI HL复习笔记1.4.2 Amortisation & Annuities
Amortisation What is amortisation? Amortisation is the process of repaying a loan over a fixed period of time Most commonly questions will be about mortgages (loans taken out to buy a home) or loan...
