Resolution:
## Figure 5.
Tensor reindexation.(
a) To each 2 d index ( m,n), a new 1 d index k is associated by scanning sequentially the anti-diagonal lines. ( b) The re-indexation transforms the tensorial equation (8) into a normal linear system
, where π^{k} are the unknowns.
Houchmandzadeh and Vallade |