ศัพท์ทางคณิตศาสตร์ The operator that transforms a matrix into a stacked vector is known as the vec operator (see, [3, Definition 4.2.9] or [6, § 7.5]). If A =
ศัพท์ทางคณิตศาสตร์The operator that transforms a matrix into a stacked vector is known as the vec operator (see, [3,Definition 4.2.9] or [6, § 7.5]). If A =