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  • Basic terminology and notation

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  • Definition of matrix
  • Notation for entry of matrix
  • Definition of size of a matrix
  • Notation for the set of m by n matrices
  • Definition of the (main) diagonal of a matrix
  • Definition of equality of matrices
  • Definition of m by n matrix
  • Definition of square matrix
  • Definition of identity matrix
  • Definition of diagonal matrix
  • Definition of 0 matrix
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  1. Definition of the (main) diagonal of a matrix

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  • Definition of trace of a matrixClose match
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  • The eigenvalues of a triangular matrix are the entries on the main diagonal.Close match
  • Triangular matricesClose match
  • Definition of a lower triangular matrixClose match
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