Linear Maps (Transformations) - Linear Algebra

A comprehensive study of linear transformations (or maps) - definition, kernel, range, matrix representation and related matters.

11

23 hrs

$ 10.00

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Enrolment valid for 12 months
This course is also part of the following learning track. You may join the track to gain comprehensive knowledge across related courses.
MTH 202: Mathematical Methods II
MTH 202: Mathematical Methods II
Comprehensive treatise of advanced mathematics covering vector calculus, complex numbers, linear vector spaces, linear maps, matrices, eigenvalues and eigenvectors. Curated for second-year students of engineering and physical sciences at Obafemi Awolowo University, Ile-Ife, Nigeria. Students and professionals with similar learning goal will also find this learning track useful.

Comprehensive treatise of advanced mathematics covering vector calculus, complex numbers, linear vector spaces, linear maps, matrices, eigenvalues and eigenvectors. Curated for second-year students of engineering and physical sciences at Obafemi Awolowo University, Ile-Ife, Nigeria. Students and professionals with similar learning goal will also find this learning track useful.

Course Chapters

1
Introduction

Welcome and course outline. Review of elementary matrix and linear vector space concepts.

Chapter lessons

1.Welcome10:31

Welcome to the course and outline of course.

2.Spaces26:19

Meaning, representations and examples of sets and spaces.

3.Fields17:22

Meaning and examples of fields.

4.Vector spaces29:36

Definition of [linear] vector spaces.

5.Vector subspaces15:41

Review of the definition of linear vector subspaces.

2
Maps

Definition of a map (also mapping or transformation) between two sets, notations and some general properties of maps.

Chapter lessons

1.Definition30:49

Meaning of map or mapping between two sets, domain and co-domain of a map.

2.Range10:15

Meaning of the range of a map and how it differs from its co-domain.

3.Image15:54

Meaning of the image of an element or subset of the domain for a map, and how it differs from the range of the map.

4.Examples of maps (1)15:41

Some examples of maps and their notations.

5.Examples of maps (2)25:41

More examples of maps and their notations.

6.Examples of maps (3)17:45

More examples of maps and their notations.

3
Linear Maps

Definition, examples and general properties of linear maps.

Chapter lessons

1.Definition32:28

Meaning of a linear map.

2.Properties (1)18:56

Some properties of linear maps.

3.Properties (2)16:10

More properties of linear maps.

4.Worked examples (1)12:09

Worked examples on proof of linearity of maps.

5.Worked examples (2)8:20

More worked examples on proof of linearity of maps.

6.Worked examples (3)11:03

More worked examples on proof of linearity of maps.

7.Worked examples (4)10:43

More worked examples on proof of linearity of maps.

8.Worked examples (5)9:01

More worked examples on proof of linearity of maps.

9.Worked examples (6)10:46

More worked examples on proof of linearity of maps.

10.Worked examples (7)15:47

More worked examples on proof of linearity of maps.

11.Worked examples (8)12:35

More worked examples on proof of linearity of maps.

12.Worked examples (9)14:11

More worked examples on proof of linearity of maps.

13.Worked examples (10)13:14

More worked examples on proof of linearity of maps.

14.Worked examples (11)11:07

More worked examples on proof of linearity of maps.

15.Worked examples (12)6:36

More worked examples on proof of linearity of maps.

16.Worked examples (13)21:44

More worked examples on proof of linearity of maps.

17.Worked examples (14)10:18

More worked examples on proof of linearity of maps.

18.Worked examples (15)16:19

More worked examples on proof of linearity of maps.

4
Algebra of Linear Maps

Analysis of the vector space of all linear maps between two given vector spaces. Addition, scalar multiplication, composition and inverse of linear maps.

Chapter lessons

1.Addition17:00

Addition of linear maps and its linearity.

2.Scalar multiplication13:29

Scalar multiplication of linear maps and its linearity.

3.Vector space of linear maps1:07:03

Vector space of all linear maps between two vector spaces over the same field of scalars.

4.Composition18:52

Composition of linear maps - definition and proof of its linearity.

5.Properties15:43

Properties of the composition or product of linear maps - associativity, identity and distributivity.

6.Worked examples (1)9:59

Worked examples on composition of linear maps.

7.Worked examples (2)12:00

More worked examples on composition of linear maps.

5
Operations on Linear Maps

Further operations on linear maps involving their definition and properties.

Chapter lessons

1.Illustration7:04

Solving problems involving derivation of the definition of a linear map from some known images.

2.Worked examples (1)26:38

Worked examples on problems involving derivation of the definition of a linear map from some known images.

3.Worked examples (2)6:49

More worked examples on problems involving derivation of the definition of a linear map from some known images.

4.Worked examples (3)27:19

More worked examples on problems involving derivation of the definition of a linear map from some known images.

6
Kernel

Meaning of the kernel of a linear map, with worked examples.

Chapter lessons

1.Definition23:28

Meaning and illustration of the kernel of a linear map.

2.Worked examples (1)19:58

Worked examples on kernels of linear maps.

3.Worked examples (2)17:30

More worked examples on kernels of linear maps.

4.Worked examples (3)15:32

More worked examples on kernels of linear maps.

7
Range

Meaning of the range of a linear map, with worked examples.

Chapter lessons

1.Definition24:54

Meaning and illustration of the image of a linear map.

2.Worked examples (1)37:35

Worked examples on images of linear maps.

3.Worked examples (2)24:22

More worked examples on images of linear maps.

4.Worked examples (3)9:48

More worked examples on images of linear maps.

8
Matrix Representation

Matrix representation of a linear map, with worked examples.

Chapter lessons

1.Theorem32:26

Existence of matrix representation of a linear map.

2.Proof37:34

Proof of the existence of matrix representation of a linear map.

3.Procedure7:50

How to find the matrix representation of a linear map with respect to given bases of the domain and co-domain.

4.Worked examples (1)19:22

Worked examples on matrix representations of linear maps.

5.Worked examples (2)22:21

More worked examples on matrix representations of linear maps.

6.Worked examples (3)17:23

More worked examples on matrix representations of linear maps.

9
Transition Matrix

Meaning and properties of the transition matrix between two bases of a vector space.

Chapter lessons

1.Definition25:36

Meaning of the transition matrix between two bases of a vector space.

2.Change of bases (1)23:55

How a change of the domain basis affects the matrix representation of a linear map.

3.Change of bases (2)16:55

How a change of the co-domain basis affects the matrix representation of a linear map.

4.Change of bases (3)18:48

How a change of bases of both the domain and co-domain affects the matrix representation of a linear map.

5.Worked examples (1)11:00

Worked examples on the transition matrix between two bases of a vector space.

6.Worked examples (2)46:00

More worked examples on the transition matrix between two bases of a vector space.