|
EXAMPLE
|
Solutions (a_1, a_2, ... , a_4) to the equation a_1^2 + 2*a_2^2 + ... + 4*a_4^2 = 10.
-------------------------------------------------------------------------------------
( 1, 1, 1, 1), ( 1, 1, 1, -1),
( 1, 1, -1, 1), ( 1, 1, -1, -1),
( 1, -1, 1, 1), ( 1, -1, 1, -1),
( 1, -1, -1, 1), ( 1, -1, -1, -1),
(-1, 1, 1, 1), (-1, 1, 1, -1),
(-1, 1, -1, 1), (-1, 1, -1, -1),
(-1, -1, 1, 1), (-1, -1, 1, -1),
(-1, -1, -1, 1), (-1, -1, -1, -1),
( 2, 1, 0, 1), ( 2, 1, 0, -1),
( 2, -1, 0, 1), ( 2, -1, 0, -1),
(-2, 1, 0, 1), (-2, 1, 0, -1),
(-2, -1, 0, 1), (-2, -1, 0, -1).
|