algebra

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Algebraic structures and operations

ffsshhttiikk By ffsshhttiikk schedule Updated 2/28/2026

name: algebra description: Algebraic structures and operations license: MIT compatibility: opencode metadata: audience: mathematicians category: mathematics

What I do

  • Solve equations and polynomial roots
  • Factor expressions and find greatest common divisors
  • Work with matrices and linear transformations
  • Apply group, ring, and field theory
  • Analyze vector spaces and basis transformations
  • Solve systems of linear equations

When to use me

When solving mathematical problems, working with abstract algebraic structures, or optimizing linear systems.

Key Concepts

  • Quadratic Formula: x = (-b ± √(b²-4ac))/2a for ax² + bx + c = 0
  • Matrix Multiplication: (AB){ij} = Σ_k A{ik}B_{kj}
  • Determinant: det(A) nonzero implies matrix invertible
  • Eigenvalues: Solutions to det(A - λI) = 0
  • Group: Set with associative binary operation, identity, inverses
  • Field: Commutative ring where nonzero elements form group
Install via CLI
npx skills add https://github.com/ffsshhttiikk/opencode-agents-skills --skill algebra
Repository Details
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