正せい方ほう行ぎょう列れつ

noun

square matrix

A matrix with the same number of rows and columns. Used in linear algebra and related mathematical contexts.

• 正せい方ほう行ぎょう列れつの対たい角かく成せい分ぶんの和わをトレースという。

  The sum of the diagonal elements of a square matrix is called the trace.

• この