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  • Linear systems and echelon matrices

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  • The echelon form can be used to determine if a linear system is consistent.
  • Example of using the echelon form to determine if a linear system is consistent.
  • The number of pivots in the reduced row echelon form of a consistent system determines whether there is one or infinitely many solutions.
  • The number of pivots in the reduced row echelon form of a consistent system determines the number of free variables in the solution set.
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  1. The number of pivots in the reduced row echelon form of a consistent system determines whether there is one or infinitely many solutions.

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  • The solutions to a homogeneous linear differential equation is a vector space.#24102
  • The solutions to a homogeneous system of linear equations is a vector space.#24101
  • The solutions to a nonhomogeneous system are given by a particular solution plus the solutions to the homogeneous system.#23445
  • The span of a set of vectors is a subspace#23977
  • The spectral theorem for symmetric matrices#23575
  • The standard inner product of a vector with itself is 0 only for the 0 vector#23903
  • The standard inner product of a vector with itself is non-negative#23902
  • The standard inner product on C^n can be written as the product of a vector and the adjoint of a vector.#23905
  • The standard inner product on C^n commutes/anticommutes with scalar multiplication.#23900
  • The standard inner product on C^n is anticommutative.#23898
  • The standard inner product on R^n can be written as the product of a vector and the transpose of a vector.#23904
  • The standard inner product on R^n commutes with (real) scalar multiplication.#23899
  • The standard inner product on R^n is commutative.#23897
  • The standard inner product on R^n (or C^n) distributes over addition.#23901
  • The standard/natural basis of R^n (or C^n) is a basis.#23831
  • The sum of linear transformations is a linear transformation#24016
  • The sum of subspaces is a subspace#23969
  • The the image of a spanning set is a spanning set for the range space#24037
  • The transpose of a product of matrices is the product of the transposes in reverse order.#23512
  • The transpose of a sum of matrices is the sum of the transposes.#23510
  • The triangle inequality#23912
  • The union of bases from independent subspaces is a basis for the space.#23974
  • TODO: Linear Algebra Content Progress#29496
  • Transpose and adjoint#23502
  • Transpose commutes with scalar multiplication.#23511
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  • Aspen Summer 2016 - Entanglement Matters#1213
  • Math#23168

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