stem/Maths/Algebra.md
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539 B

Field

  • Set on which addition and multiplication defined
    • Behave same as on rational and real numbers
    • Subtraction, division implied
  • Examples
    • Rational numbers
    • Real numbers
    • Complex numbers
  • Any field can be used as scalars for a vector space
  • A commutative ring where 0 =/= 1 and all nonzero elements are invertible

Vector Space

  • Set of vectors
    • Can be added together and multiplied by scalar
      • Can be scaled by complex numbers
        • Part of definitions
      • Must satisfy vector axioms