せいそくぎょうれつ
正則行列
1. regular matrixMathematics
2. Invertible matrixIn linear algebra an n-by-n (square) matrix A is called invertible (some authors use nonsingular or nondegenerate) if there exists an n-by-n matrix B such that where In denotes the n-by-n identity matrix and the multiplication used is ordinary matrix multiplication. If this is the case, then the matrix B is uniquely determined by A and is called the inverse of A, denoted by A.
Read “Invertible matrix” on English Wikipedia
Read “正則行列” on Japanese Wikipedia
Read “Invertible matrix” on DBpedia
Read “Invertible matrix” on English Wikipedia
Read “正則行列” on Japanese Wikipedia
Read “Invertible matrix” on DBpedia
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