24. Vector Space
Vector spaces provide a foundational framework for solving linear equations and modeling physical phenomena in engineering. This chapter covers essential concepts including definitions of vector spaces, subspaces, linear combinations, spans, and dimensions, along with their applications in civil engineering. Understanding these principles is crucial for effective analysis and design in various engineering contexts.
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What we have learnt
- Vector spaces are sets equipped with operations that satisfy specific axioms.
- The span of a set of vectors forms a subspace.
- A basis of a vector space is a set of linearly independent vectors that spans the space.
Key Concepts
- -- Vector Space
- A set equipped with two operations, vector addition and scalar multiplication, satisfying ten axioms.
- -- Basis
- A set of linearly independent vectors that spans a vector space, allowing for the unique representation of any vector in that space.
- -- Dimension
- The number of vectors in a basis of a vector space; a measure of the space's 'size'.
- -- Linear Independence
- A set of vectors is linearly independent if the only solution to their linear combination being zero is all coefficients being zero.
- -- Row Space and Column Space
- The span of the row vectors and column vectors of a matrix, respectively, each serving important roles in vector space concepts.
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