| | 1 X X^2 | |
| | 1 Y Y^2 | = (Y-X)(Z-X)(Z-Y) |
| | 1 Z Z^2 | |
| バンデルモンドの行列式 |
| | 1 X X^2 | | 1 X X^2 | |
| | 1 Y Y^2 | = | 0 Y-X Y^2ーX^2 | = | y-X Y^2-X^2 | |
| | 1 Z Z^2 | | 0 Z-X Z^2ーX^2 | | Z-X Z^2-X^2 | |
| (Y-X)(Z-X)| 1 Y+X | = (Y-X)(Z-X)| 1 Y+X | = (Y-X)(Z-X)(Z-Y) |
| | 1 Z+X | | 0 Z-Y | |