Hans Juergen Weber, Frank Ephraim Harris, George Brown Arfken, Mathematical Methods for Physicists; A Comprehensive Guide, 7th edition (Academic Press, 2012)
Chapter 2. Determinants and Matrices 제2장. 행렬식과 행렬
Section 1. Determinants 제1절. 행렬식
예제(Exercise) 2 및 해설(Solution)
Test the set of linear homogeneous equations
x + 3y + 3z = 0, x - y + z = 0, 2x + y + 3z = 0
to see if it possesses a nontrivial solution. In any case, find a solution to this equation set.
쉽네요
determinant 계산하신줄 마지막에 스칼라로 나와서 - dc App