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Topic: Invertible matrix

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Diagonal matrix

Identity matrix

Matrix (mathematics)

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Unitary matrix

Determinant

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List of linear algebra topics

Symmetric matrix

Vandermonde matrix

Singular value decomposition

Matrix decomposition

Conjugate transpose

Hill cipher

Linear transformation

	Invertible matrix
		Matrix inversion is the process of finding the matrix B that satisfies the prior equation for a given invertible matrix A.
		A is row-equivalent to the n by n identity matrix I
		In general, a square matrix over a commutative ring is invertible if and only if its determinant is a unit in that ring.
	www.brainyencyclopedia.com /encyclopedia/i/in/invertible_matrix.html (1072 words)

	Basis (linear algebra) - Wikipedia, the free encyclopedia
		When we want to describe the matrix of a linear transformation and in some other situations, it is convenient to list the basis vectors in a specific order.
		We then speak of an ordered basis, which we define to be a sequence (rather than a set) of linearly independent vectors that span V.
		Since the above matrix has a nonzero determinant, its columns form a basis of R
	en.wikipedia.org /wiki/Basis_(linear_algebra) (1459 words)

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