例文
- where W ( x ) is the Wronskian determinant of the fundamental system and W _ i ( x ) is the Wronskian determinant of the fundamental system with the " i "-th column replaced by ( 0, 0, \ ldots, b ( x ) ).
- where W ( x ) is the Wronskian determinant of the fundamental system and W _ i ( x ) is the Wronskian determinant of the fundamental system with the " i "-th column replaced by ( 0, 0, \ ldots, b ( x ) ).