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  • Orthogonality and projection

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  • Inner products in coordinate spaces
  • Norm and length
  • Orthogonality
  • Projection
  • Least squares
  • Inner products

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  • Definition of (orthogonal) projection of one vector onto another vector
  • Formula for the (orthogonal) projection of one vector onto another vector
  • Definition of (not necessarily orthogonal) projection onto a component of a direct sum
  • Definition of (orthogonal) projection onto a subspace
  • The projection of a vector which is in a subspace is the vector itself.
  • The (orthogonal) projection of a vector onto a subspace is the point in the subspace closest to the vector.
  • Formula for the coordinates of the projection of a vector onto a subspace
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  1. Projection

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  • Definition of (orthogonal) projection onto a subspaceClose match
  • Definition of (not necessarily orthogonal) projection onto a component of a direct sumClose match
  • Orthogonality and projectionClose match
  • Example of a linear transformation on R^2: projectionClose match
  • Definition of (orthogonal) projection of one vector onto another vectorClose match
  • The projection of a vector which is in a subspace is the vector itself.Close match
  • Formula for the (orthogonal) projection of one vector onto another vectorClose match
  • The (orthogonal) projection of a vector onto a subspace is the point in the subspace closest to the vector.Close match
  • OrthogonalityClose match
  • Formula for the coordinates of the projection of a vector onto a subspaceClose match
  • Inner productsClose match
  • Definition of orthogonal vectorsClose match
  • Definition of pre-image (of a point) under a linear transformationClose match
  • Inner products in coordinate spacesRelated
  • Definition of parallel vectorsRelated
  • Definition of orthonormal set of vectorsRelated
  • ExamplesRelated
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