正せい則そく行ぎょう列れつ

noun

regular matrix; invertible matrix; non-singular matrix

In linear algebra, a square matrix that has an inverse; its determinant is non-zero. Used in mathematical contexts.

• 正せい則そく行ぎょう列れつは逆ぎゃく行ぎょう列れつを持もつ。

  A regular matrix has an inverse matrix.

• この行ぎょう列れつが正せい則そく行ぎょう列れつであるかどうかを判はん定ていせよ。

  Determine whether this matrix is a regular matrix.