Answer more than 30 days after a question was asked as first answer scoring 2 or more. This badge can be awarded multiple times.
earned this badge 3 times
Awarded May 20 '14 at 7:51
Awarded Apr 24 '14 at 17:16
Have derivatives of determinants along 1-psg's ever been 'coherently' computed via Jacobi's formula?
Awarded Jun 25 '13 at 3:43