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Mathematics
Linear Algebra
1. Foundations of Linear Systems
2. Matrix Theory and Operations
3. Determinants
4. Vector Spaces and Subspaces
5. Linear Transformations
6. Inner Products and Orthogonality
7. Eigenvalues and Eigenvectors
8. Advanced Topics
Vector Spaces and Subspaces
Vectors in Euclidean Space
Definition of vectors in Rⁿ
Vector notation and components
Vector arithmetic
Vector addition
Scalar multiplication
Geometric interpretation of vectors
Linear combinations
Span of vector sets
Abstract Vector Spaces
Definition and axioms
Closure properties
Examples of vector spaces
Euclidean spaces Rⁿ
Matrix spaces
Polynomial spaces
Function spaces
Non-examples and common misconceptions
Subspaces
Definition and subspace test
Trivial subspaces
Column space of a matrix
Null space of a matrix
Row space of a matrix
Subspace operations
Intersection of subspaces
Sum of subspaces
Linear Independence and Dependence
Definition of linear independence
Definition of linear dependence
Testing for linear independence
Linear independence in Rⁿ
Maximal linearly independent sets
Basis and Dimension
Definition of basis
Standard basis vectors
Coordinate representation
Uniqueness of coordinate representation
Dimension of vector spaces
Dimension of subspaces
Basis construction methods
Extending linearly independent sets
Reducing spanning sets
Fundamental Subspaces
Four fundamental subspaces
Column space
Null space
Row space
Left null space
Relationships between subspaces
Rank-nullity theorem
Computing rank and nullity
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5. Linear Transformations