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  • Definition of left inverse of a matrix
  • Definition of right inverse of a matrix
  • Definition of inverse of a matrix
  • Definition of invertible matrix
  • If a matrix has both a left and a right inverse
  • If a square matrix has a one-sided inverse
  • Formula for the inverse of a 2-by-2 matrix.
  • Matrix inverse is an involution.
  • For n-by-n invertible matrices A and B
  • The product of square matrices is nonsingular if and only if each factor is nonsingular.
  • The inverse of a scalar multiple is the reciprocal times the inverse.
  • Matrix transpose commutes with matrix inverse.
  • The inverse of a matrix (if it exists) can be found by row reducing the matrix augmented by the identity matrix.
  • Example of finding the inverse of a 2-by-2 matrix by row reducing the augmented matrix
  • Example of finding the inverse of a 2-by-2 matrix by using a formula
  • Example of finding the inverse of a 3-by-3 matrix by row reducing the augmented matrix
  • Example of finding the inverse of a 3-by-3 matrix by using Cramer's rule
  • The inverse of a matrix can be used to solve a linear system.
  • Matrix inverses are unique: if A and B are square matrices
  • Definition of generalized inverse of a matrix
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  1. Definition of left inverse of a matrix

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  • Definition of right inverse of a matrixClose match
  • Definition of inverse of a matrixClose match
  • Equivalence theorem for nonsingular matrices: the matrix A has a left inverse.Close match
  • Definition of matrix null space (left)Close match
  • If a matrix has both a left and a right inverseClose match
  • InverseClose match
  • The inverse of a matrix (if it exists) can be found by row reducing the matrix augmented by the identity matrix.Close match
  • Equivalence theorem for nonsingular matrices: the matrix A has a right inverse.Close match
  • Matrix inverse is an involution.Close match
  • Equivalence theorem for nonsingular matrices: the matrix A has an inverse.Close match
  • Matrix transpose commutes with matrix inverse.Close match
  • Definition of invertible matrixClose match
  • The inverse of a matrix can be used to solve a linear system.Close match
  • Definition of nonsingular matrix: matrix is invertibleClose match
  • Definition of transpose of a matrixClose match
  • If a square matrix has a one-sided inverseClose match
  • Definition of matrix multiplicationClose match
  • The identity matrix is the identity for matrix multiplication.Close match
  • Matrix inverses are unique: if A and B are square matricesClose match
  • Definition of generalized inverse of a matrixClose match

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