query: When a non square matrix is nvertible?
positive_passages.docid: 146487
positive_passages.text: Can a non-square matrix be called "invertible"?
negative_passages.docid: 53863
negative_passages.text: Making a non-diagonalizable matrix diagonalizable with an small perturbations
negative_passages.docid: 88820
negative_passages.text: Three linked question on non-negative definite matrices.
negative_passages.docid: 92455
negative_passages.text: Orthonormalization of non-hermitian matrix eigenvectors
negative_passages.docid: 75104
negative_passages.text: Existence of some type matrix
negative_passages.docid: 69509
negative_passages.text: Showing a Linear Transformation is invertible
negative_passages.docid: 135316
negative_passages.text: A basic question on diagonalizability of a matrix
negative_passages.docid: 110271
negative_passages.text: Given a matrix with non-negative real entries, can you algebraically prove that it has a non-negative eigenvalue?
negative_passages.docid: 71631
negative_passages.text: About idempotent and invertible matrix
negative_passages.docid: 14161
negative_passages.text: Proof of when is $A=X^TX$ invertible?
negative_passages.docid: 58339
negative_passages.text: The diagonalizable matrices are not dense in the square real matrices
negative_passages.docid: 56312
negative_passages.text: Why can this product of rectangular matrices not be the identity matrix?
negative_passages.docid: 6398
negative_passages.text: Can the product of an $4\times 3$ matrix and a $3\times 4$ matrix be invertible?
negative_passages.docid: 125021
negative_passages.text: Inverse of an invertible upper triangular matrix of order 3
negative_passages.docid: 10042
negative_passages.text: How to Show that Linear transformation is invertible?
negative_passages.docid: 114271
negative_passages.text: Why is a matrix invertible if it can be written as the product of elementary matrices?
negative_passages.docid: 115296
negative_passages.text: Under what conditions does a matrix $A$ have a square root?