Change param given for grid computation
Change param given for grid computation

It is not 0, 0, 0 anymore, but 1, 1, 1 (or anything else > 0)
because if mu = 0, the matrix is not use
-> no matrix, no phi, etc.

chagaz/sfan,chagaz/sfan,chagaz/sfan,chagaz/sfan,chagaz/sfan