Zusammenfassung der Ressource
131: MathematicalSpaces
- Linear Spaces
(Vector Spaces)
- Vector Subspaces
- contain elements
- infinite dimensional
- functions
- real
- defining
properties
- complex
- finite dimensional
- vectors
- real
- complex
- defining
properties
- closed under vector addition
and scalar multiplication
(linear combination)
- Interaction
- Vector Algebra
- Vector
Multiplication
- Scaling
- Two Vectors
- Dot Product
- Einstein Summation Notation
- Algebraic Notation
- Intuition
- Vector Projection; Observe
"overlap degree" of two vector
quantities
- small-scale operation
(vector-on-vector)
- Cross Product
- Levi-Civita Notation
- Levi-Civita
(Permutation)
Symbol
- E123=1
- Antisymmetric
(swap sign per
each index swap)
- Algebraic Notation
- Intuition
- Defines Perpendicular
Vector ("area of plane"
vector)
- Three Vectors
- Triple Scalar Product
(cyclically permutable)
- Defines 3-D Volume (3-D
Determinant)
- Triple Vector Product
(obeys cyclic permutation)
- Vector Addition
- Component by
Component
- mathematically represent models of
multi-element physical systems
- matrices (nxn
or nxm)
- Topological Spaces
- Hilbert Spaces
- others