🌐EnglishEnglishDeutschEspañolFrançaisItalianoNederlandsPortuguêsTiếng ViệtРусский한국어中文日本語EntityQ377286· pop 16· linked from 216 articlesmatrix congruenceequivalence relation between matricesAvailable in 16 languagesEspañolFrançaisDeutsch中文日本語PortuguêsItalianoCzechHebrewHungarianNederlandsConnectionsblock matrixEntityeigenvectors and eigenvaluesEntityCategoriesEquivalence (mathematics)Linear algebraMatrices (mathematics)